| Data | Reference sort by Author: >> << sort by Year: >> << | Title | Authors |
|---|---|---|---|
| 19.2 KByte | Bandyopadhyay et al.,ApJ,859,114,2018 | Chemical Composition of Two Bright, Extremely Metal-poor Stars from the SDSS MARVELS Pre-survey | A.Bandyopadhyay, T.Sivarani, A.Susmitha, T.C.Beers, S.Giridhar, A.Surya, T.Masseron |
| 201.2 KByte | .Roederer,IanU+,ApJ, 724, 975, 2010 | THE UBIQUITY OF THE RAPID NEUTRON-CAPTURE PROCESS | |
| 32.5 KByte | A.E.GarciaPerez+,AAP, 447, 299, 2006 | Li and Be depletion in metal-poor subgiants | A.E.GarciaPerez, F.Primas |
| 33.2 KByte | A.E.GarciaPerez+,AAP, 451, 621, 2006 | Oxygen abundances in metal-poor subgiants as determined from [O I], O I and OH lines | A.E.GarciaPerez, M.Asplund, F.Primas, P.E.Nissen, B.Gustafsson |
| 12.7 KByte | A.E.GarciaPerez+,AAP, 504, 213, 2009 | 6Li/7Li estimates for metal-poor stars | |
| 30.8 KByte | A.Ford+,AAP, 393, 617, 2002 | Lithium 6104 A in Population II stars | |
| 4.0 KByte | A.Frebel+,ApJ, 638, L17, 2006 | The Oxygen Abundance of HE 1327-2326 | A.Frebel, N.Christlieb, J.E.Norris, W.Aoki, M.Asplund |
| 12.5 KByte | A.Frebel+,ApJ, 658, 534, 2007 | Chemical Abundance Analysis of the Extremely Metal-poor Star HE 1300+0157 | A.Frebel, J.E.Norris, W.Aoki, S.Honda, M.S.Bessell, M.Takada-Hidai, T.C.Beers, N.Christlieb |
| 8.4 KByte | A.Frebel+,ApJ, 660, L117, 2007 | Discovery of HE 1523-0901, a Strongly r-Process-enhanced Metal-poor Star with Detected Uranium | |
| 9.6 KByte | A.Frebel+,ApJ, 684, 588, 2008 | HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. II. New 3D-1D Corrected Abundances from a Very Large Telescope UVES Spectrum | |
| 20.8 KByte | A.Goswami+,MNRAS, 372, 343, 2006 | A high-resolution spectral analysis of three carbon-enhanced metal-poor stars | A.Goswami, W.Aoki, T.C.Beers, N.Christlieb, J.E.Norris, S.G.Ryan, S.Tsangarides |
| 44.5 KByte | A.Hosford+,AAP, 493, 601, 2009 | Lithium abundances of halo dwarfs based on excitation temperature. I. Local thermodynamic equilibrium | |
| 5.1 KByte | A.Hosford+,AAP, 511, A47, 2010 | Lithium abundances of halo dwarfs based on excitation temperatures II. Non-local thermodynamic equilibrium | |
| 2.9 KByte | A.J.Gallagher+,AAP, 523, A24, 2010 | The barium isotopic mixture for the metal-poor subgiant star HD140283 | |
| 19.3 KByte | A.M.Besgaard+,ApJ, 641, 1122, 2006 | Beryllium in Disk and Halo Stars: Evidence for a Beryllium Dispersion in Old Stars | A.M.Besgaard, M.C.Novicki |
| 117.1 KByte | A.M.Boesgaard+,ApJ, 633, 398, 2005 | Lithium and Lithium Depletion in Halo Stars on Extreme Orbits | |
| 5.1 KByte | A.M.Boesgaard+,ApJ, 633, L125, 2005 | Beryllium in the Ultra-Lithium-deficient, Metal-Poor Halo Dwarf G186-26 | |
| 22.7 KByte | A.M.Boesgaard+,ApJ, 667, 1196, 2007 | Beryllium in Ultra-Lithium-Deficient Halo Stars:The Blue Straggler Connection | |
| 26.0 KByte | A.McWilliam+,AJ, 109, 2736, 1995 | A Spectroscopic Analysis of 33 of the Most Metal-Poor Stars.I. | A.McWilliam, G.W.Preston, C.Sneden, S.Shectman |
| 141.6 KByte | A.McWilliam+,AJ, 109, 2757, 1995 | Spectroscopic Analysis of 33 of the Most Metal Poor Stars. II. | A.McWilliam, G.W.Preston, C.Sneden, L.Searle |
| 373.6 KByte | A.Stephens+,AJ, 123, 1647, 2002 | ABUNDANCES FROM HIGH-RESOLUTION SPECTRA OF KINEMATICALLY INTERESTING HALO STARS | |
| 43.4 KByte | Aguado et al.,A&A,593,10,2016 | Follow-up observations of extremely metal-poor stars identified from SDSS | M.Shetrone, R.Rebolo, R.Carrera, J.I.GonzalezHernandez, C.AllendePrieto, D.S.Aguado, D.L.Lambert, E.Fernandez-Alvar |
| 13.1 KByte | Aguado et al.,AN,604,9,2017 | ||
| 3.8 KByte | Aguado et al.,ApJ,852,L20,2018 | J0815+4729: A Chemically Primitive Dwarf Star in the Galactic Halo Observed with Gran Telescopio Canarias | C.AllendePrieto, J.I.GonzalezHernandez, D.S.Aguado, R.Rebolo |
| 3.4 KByte | Aguado et al.,ApJ,854,L34,2018 | J0023+0307: A Mega Metal-poor Dwarf Star from SDSS/BOSS | J.I.GonzalezHernandez, C.AllendePrieto, D.S.Aguado, R.Rebolo |
| 122.6 KByte | Allen et al.,A&A,548,A34,2012 | Elemental abundances and classification of carbon-enhanced metal-poor stars | |
| 346.2 KByte | AlvesBrito et al.,A&A,513,A35,2010 | Chemical similarities between Galactic bulge and local thick disk red giants: O, Na, Mg, Al, Si, Ca, and Ti | |
| 9.9 KByte | Aoki et al,PASJ,70,94,2018 | LAMOST J221750.59+210437.2: A new member of carbon-enhanced extremely metal-poor stars with excesses of Mg and Si | W.Aoki, T.Matsuno, S.Honda, M.N.Ishigaki, H.Li, T.Suda, Y.BharatKumar |
| 508.2 KByte | Aoki et al.,AJ,145,13,2013 | High-resolution Spectroscopy of Extremely Metal-poor Stars from SDSS/SEGUE. I. Atmospheric Parameters and Chemical Compositions | |
| 10.6 KByte | Aoki et al.,ApJ,751,L6,2012 | Examination of the Mass-dependent Li Depletion Hypothesis by the Li Abundances of the Very Metal-poor Double-lined Spectroscopic Binary G166-45 | |
| 28.9 KByte | Aoki et al.,APJ,837,8,2017 | Diversity of Abundance Patterns of Light Neutron-capture Elements in Very-metal-poor Stars | M.Aoki, Y.Ishimaru, W.Aoki, S.Wanajo |
| 16.0 KByte | Aoki et al.,Science,345,912,2014 | A chemical signature of first-generation very massive stars | |
| 21.2 KByte | B.Barbuy+,AAP, 429, 1031, 2005 | New analysis of the two carbon-rich stars CS 22948-27 and CS 29497-34: Binarity and neutron capture elements | B.Barbuy, M.Spite, F.Spite, V.Hill, R.Cayrel, B.Plez, P.Petitjean |
| 8.5 KByte | B.Barbuy+,ApJ, 588, 1072, 2003 | Oxygen Abundance in the Template Halo Giant HD 122563 | B.Barbuy, J.Melendez, M.Spite, F.Spite, E.Depagne, V.Hill, R.Cayrel, P.Bonifacio, A.Damineli, C.A.O.Torres |
| 3.0 KByte | B.Plez+,AAP, 428, L9, 2004 | Lead abundance in the uranium star CS 31082-001 | B.Plez, V.Hill, R.Cayrel, M.Spite, B.Barbuy, T.C.Beers, P.Bonifacio, F.Primas, B.Nordstrom |
| 7.6 KByte | B.Plez+,AAP, 434, 1117, 2005 | Analysis of the carbon-rich very metal-poor dwarf G77-61 | B.Plez, J.G.Cohen |
| 395.2 KByte | B.W.Carney+,AJ, 125, 293, 2003 | Spectroscopic Binaries, Velocity Jitter, and Rotation in Field Metal-poor Red Giant and Red Horizontal-Branch Stars | |
| 633.9 KByte | Bensby et al.,A&A,433,185,2005 | alpha-, r-, and s-process element trends in the Galactic thin and thick disks | |
| 4420.5 KByte | Bensby et al.,A&A,562,A71,2014 | Exploring the Milky Way stellar disk. A detailed elemental abundance study of 714 F and G dwarf stars in the solar neighbourhood | |
| 349.6 KByte | Boesgaard et al.,ApJ,743,140,2011 | Beryllium and Alpha-element Abundances in a Large Sample of Metal-poor Stars | B.P.Bowler, A.MerchantBoesgaard, E.M.Levesque, J.A.Rich |
| 92.2 KByte | Bonifacio et al.,A&A,542,A87,2012 | Chemical abundances of distant extremely metal-poor unevolved stars | |
| 39.7 KByte | Bonifacio et al.,A&A,579,A28,2015 | ||
| 36.1 KByte | Bonifacio et al.,A&A,612,A65,2018 | TOPoS. IV. Chemical abundances from high-resolution observations of seven extremely metal-poor stars | P.Bonifacio, E.Caffau, M.Spite, F.Spite, L.Sbordone, L.Monaco, P.Francois, B.Plez, P.Molaro, A.J.Gallagher, R.Cayrel, N.Christlieb, R.S.Klessen, A.Koch, H.Ludwig, M.Steffen, S.Zaggia, C.Abate |
| 214.7 KByte | C.Charbonnel+,AAP, 442, 961, 2005 | The lithium content of the Galactic Halo stars | |
| 81.4 KByte | C.J.Akerman+,AAP, 414, 931, 2004 | The evolution of the C/O ratio in metal-poor halo stars | C.J.Akerman, L.Carigi, P.E.Niseen, M.Pettini, M.Asplund |
| 16.2 KByte | C.J.Hansen+,AAP, 527, A65, 2011 | First stars. XIII. Two extremely metal-poor RR Lyrae stars | |
| 10.7 KByte | C.Sneden+,ApJ, 496, 235, 1998 | Hubble Space Telescope Observations of Neutron-Capture Elements in Very Metal Poor Stars | |
| 9.9 KByte | C.Sneden+,ApJ, 533, L139, 2000 | Evidence of Multiple r-Process Sites in the Early Galaxy: New Observations of CS 22892-052 | C.Sneden, J.J.Cowan, I.I.Ivans, G.M.Fuller, S.Burles, T.C.Beers, J.E.Lawler |
| 24.1 KByte | C.Sneden+,ApJ, 591, 936, 2003 | THE EXTREMELY METAL-POOR, NEUTRON CAPTURE–RICH STAR CS 22892-052: A COMPREHENSIVE ABUNDANCE ANALYSIS | C.Sneden, J.J.Cowan, J.E.Lawler, I.I.Ivans, S.Burles, T.C.Beers, F.Primas, V.Hill, J.W.Truran, G.M.Fuller, B.Pfeiffer, K-L.Kratz |
| 27.1 KByte | C.Sneden+,ApJ, 592, 504, 2003 | Binary Blue Metal-poor Stars: Evidence for Asymptotic Giant Branch Mass Transfer | C.Sneden, G.W.Preston, J.J.Cowan |
| 12.7 KByte | Caffau et al.,A&A,560,A15,2013 | X-shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars | |
| 7.4 KByte | Caffau et al.,A&A,595,L6,2016 | TOPoS. III. An ultra iron-poor multiple CEMP system | E.Caffau, P.Bonifacio, M.Spite, F.Spite, L.Monaco, L.Sbordone, P.Francois, A.J.Gallagher, B.Plez, S.Zaggia, H.Ludwig, R.Cayrel, A.Koch, M.Steffen, S.Salvadori, R.Klessen, S.Glover, N.Christlieb |
| 108.8 KByte | Caffau et al.,A&A,614,A68,2018 | Investigation of a sample of carbon-enhanced metal-poor stars observed with FORS and GMOS | E.Caffau, A.J.Gallagher, P.Bonifacio, M.Spite, S.Duffau, F.Spite, L.Monaco, L.Sbordone |
| 140.8 KByte | Caffau et al.,AN,338,686,2017 | The Pristine survey II: A sample of bright stars observed with FEROS | E.Caffau, P.Bonifacio, E.Starkenburg, N.Martin, K.Youakim, A.A.Henden, J.I.Gonzalez Hernandez, D.S.Aguado, K.Venn, P.Jablonka |
| 33.1 KByte | Cain et al,ApJ,864,43,2018 | The R-Process Alliance: Chemical Abundances for a Trio of r-process-enhanced Stars---One Strong, One Moderate, and One Mild | M.Cain, A.Frebel, M.Gull, A.P.Ji, V.M.Placco, T.C.Beers, J.Melendez, R.Ezzeddine, A.R.Casey, T.T.Hansen, I.U.Roederer, C.Sakari |
| 15.5 KByte | Caliskan et al.,A&A,571,A62,2014 | Chemical abundances of the metal-poor horizontal-branch stars CS 22186-005 and CS 30344-033 | |
| 486.1 KByte | Chen et al.,A&AS,141,491,2000 | Chemical composition of 90 F and G disk dwarfs | |
| 870.6 KByte | Cohen et al.,ApJ,778,56,2013 | Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <--2 | |
| 17.3 KByte | Cui et al.,A&A,558,A36,2013 | The Hamburg/ESO R-process Enhanced Star survey (HERES). VIII. The r+s star HE 1405-0822 | |
| 340.2 KByte | D.K.Lai+,AJ, 128, 2402, 2004 | ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES | D.K.Lai, M.Bolte, J.A.Johnson, S.Lucatello |
| 264.1 KByte | D.K.Lai+,ApJ, 667, 1185, 2007 | Carbon and Strontium Abundances of Metal-poor Stars | D.K.Lai, J.A.Johnson, M.Bolte, S.Lucatello |
| 248.3 KByte | D.K.Lai+,ApJ, 681, 1524, 2008 | Detailed Abundances for 28 Metal-poor Stars: Stellar Relics in the Milky Way | |
| 229.6 KByte | D.L.Burris+,ApJ, 544, 302, 2000 | NEUTRON-CAPTURE ELEMENTS IN THE EARLY GALAXY: INSIGHTS FROM A LARGE SAMPLE OF METAL-POOR GIANTS | D.L.Burris, C.A.Pilachowski, T.E.Armandroff, C.Sneden, J.J.Cowan, H.Roe |
| 110.0 KByte | D.Yong+,ApJ, 599, 1357, 2003 | Magnesium Isotopic Abundance Ratios in Cool Stars | |
| 1528.0 KByte | daSilveira et al.,A&A,614,A149,2018 | Oxygen and zinc abundances in 417 Galactic bulge red giants | C.R.daSilveira, B.Barbuy, A.C.S.Friaca, V.Hill, M.Zoccali, M.Rafelski, O.A.Gonzalez, D.Minniti, A.Renzini, S.Ortolani |
| 69.7 KByte | E.Arnone+,AAP, 430, 507, 2005 | Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing | E.Arnone, S.G.Ryan, D.Argast, J.E.Norris, T.C.Beers |
| 149.5 KByte | E.Caffau+,AAP, 441, 533, 2005 | Sulphur abundance in Galactic stars | |
| 23.8 KByte | E.Caffau+,AAP, 534, A4, 2011 | X-Shooter GTO: chemical analysis of a sample of EMP candidates | |
| 6.2 KByte | E.Caffau+,Nature, 477, 67, 2011 | An extremely primitive star in the Galactic halo | |
| 74.1 KByte | E.Carretta+,AJ, 124, 481, 2002 | STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. II. ABUNDANCE ANALYSIS | E.Carretta, R.Gratton, J.G.Cohen, T.C.Beers, N.Christlieb |
| 15.2 KByte | E.Depagne+,AAP, 364, L6, 2000 | Abundance analysis of two extremely metal-poor stars from the Hamburg/ESO Survey | E.Depagne, V.Hill, N.Christlieb, F.Primas |
| 11.8 KByte | E.Depagne+,AAP, 390, 187, 2002 | First Stars II. Elemental abundances in the extremely metal-poor star CS 22949–037 A diagnostic of early massive supernovae | E.Depagne, V.Hill, M.Spite, F.Spite, B.Plez, T.C.Beers, B.Barbuy, R.Cayrel, J.Andersen, P.Bonifacio, P.Francois, B.Nordstrom, F.Primas |
| 5.8 KByte | F.Primas+,AAP, 362, 666, 2000 | First UVES observations of beryllium in very metal-poor stars | F.Primas, P.Molaro, P.Bonifacio, V.Hill |
| 5.2 KByte | F.Primas+,AAP, 364, L42, 2000 | The beryllium abundance in the very metal-poor halo star G 64-12 from VLT/UVES observations | F.Primas, M.Asplund, P.E.Nissen, V.Hill |
| 17.9 KByte | Francois et al.,A&A,619,A10,2018 | Chemical analysis of very metal-poor turn-off stars from SDSS-DR12 | P.Francois, E.Caffau, S.Wanajo, D.Aguado, M.Spite, M.Aoki, W.Aoki, P.Bonifacio, A.J.Gallagher, S.Salvadori, F.Spite |
| 8.7 KByte | Frebel et al.,ApJ,810,L27,2015 | ||
| 91.9 KByte | G.Bihain+,AAP, 423, 777, 2004 | Cu and Zn in the early Galaxy | |
| 17.1 KByte | G.Israelian+,ApJ, 557, L43, 2001 | Sulphur Abundance in Very Metal-poor Stars | G.Israelian, R.Rebolo |
| 23.3 KByte | G.Israelian+,ApJ, 551, 833, 2001 | Oxygen in the Very Early Galaxy | G.Israelian, R.Rebolo, R.J.GarciaLopez, P.Bonifacio, P.Molaro, G.Basri, N.Shchukina |
| 49.7 KByte | G.S.Bai+,AAP, 425, 671, 2004 | Chemical abundances of 10 metal-poor halo stars | G.S.Bai, G.Zhao, Y.Q.Chen, J.R.Shi, V.G.Klochkova, V.E.Panchuk, H.M.Qiu, H.W.Zhang |
| 383.7 KByte | G.W.Preston+,AJ, 120, 1014, 2000 | What Are These Blue Metal-Poor Stars? | G.W.Preston, C.Sneden |
| 43.9 KByte | G.W.Preston+,AJ, 122, 1545, 2001 | The Incidence of Binaries among Very Metal-poor Carbon Stars | G.W.Preston, C.Sneden |
| 219.2 KByte | G.W.Preston+,AJ, 132, 85, 2006 | ATMOSPHERES, CHEMICAL COMPOSITIONS, AND EVOLUTIONARY HISTORIES OF VERY METAL-POOR RED HORIZONTAL-BRANCH STARS IN THE GALACTIC FIELD AND IN NGC 7078 (M15) | |
| 18.4 KByte | Gull et al,ApJ,862,174,2018 | The R-Process Alliance: Discovery of the First Metal-poor Star with a Combined r- and s-process Element Signature | M.Gull, A.Frebel, M.G.Cain, V.M.Placco, A.P.Ji, C.Abate, R.Ezzeddine, A.I.Karakas, T.T.Hansen, C.Sakari, E.M.Holmbeck, R.M.Santucci, A.R.Casey, T.C.Beers |
| 11.5 KByte | H.Ito+,ApJ, 698, L37, 2009 | BD+44 493: A NINTH MAGNITUDE MESSENGER FROM THE EARLY UNIVERSE; CARBON ENHANCED AND BERYLLIUM POOR | |
| 266.9 KByte | Hansen et al.,A&A,545,A31,2012 | Silver and palladium help unveil the nature of a second r-process | |
| 18.4 KByte | Hansen et al.,A&A,598,54,2017 | Something borrowed, something blue: The nature of blue metal-poor stars inferred from their colours and chemical abundances | C.J.Hansen, P.Jofre, A.Koch, A.McWilliam, C.S.Sneden |
| 30.0 KByte | Hansen et al.,ApJ,787,162,2014 | Exploring the Origin of Lithium, Carbon, Strontium, and Barium with Four New Ultra Metal-poor Stars | |
| 203.2 KByte | Hansen et al.,ApJ,807,173,2015 | ||
| 322.1 KByte | Hansen et al.,ApJ,858,92,2018 | ||
| 174.8 KByte | Hollek et al.,ApJ,742,54,2011 | The Chemical Abundances of Stars in the Halo (CASH) Project. II. A Sample of 14 Extremely Metal-poor Stars | |
| 11.7 KByte | Hollek et al.,APJ,814,121,2015 | The Chemical Abundances of Stars in the Halo (CASH) Project. III. A New Classification Scheme for Carbon-enhanced Metal-poor Stars with s-process Element Enhancement | N.Christlieb, C.Sneden, M.Shetrone, A.I.Karakas, V.M.Placco, A.Frebel, J.K.Hollek |
| 17.5 KByte | Holmbeck et al.,ApJ,859,L24,2018 | The R-Process Alliance: 2MASS J09544277+5246414, the Most Actinide-enhanced R-II Star Known | E.M.Holmbeck, T.C.Beers, I.U.Roederer, V.M.Placco, T.T.Hansen, C.M.Sakari, C.Sneden, C.Liu, Y.SunLee, J.J.Cowan, A.Frebel |
| 30.9 KByte | I.B.Thompson+,ApJ, 677, 556, 2008 | CS 22964–161: A Double-Lined Carbon- and s-Process-Enhanced Metal-Poor Binary Star | |
| 59.1 KByte | I.I.Ivans+,ApJ, 592, 906, 2003 | Chemical Substructure in the Milky Way Halo: A New Population of Old Stars | |
| 14.6 KByte | I.I.Ivans+,ApJ, 627, L145, 2005 | Near-Ultraviolet Observations of CS 29497-030: New Constraints on Neutron-Capture Nucleosynthesis Processes | I.I.Ivans, C.Sneden, R.Gallino, J.J.Cowan, G.W.Preston |
| 24.0 KByte | I.Ivans+,ApJ, 645, 613, 2006 | Near-Ultraviolet Observations of HD 221170: New Insights into the Nature of r-Process-rich Stars | I.Ivans, J.Simmerer, C.Sneden, J.E.Lawler, J.J.Cowan, R.Gallino, S.Bisterzo |
| 11.4 KByte | I.U.Roederer+,ApJ, 675, 723, 2008 | Europium, Samarium, and Neodymium Isotopic Fractions in Metal-Poor Stars | |
| 11.3 KByte | I.U.Roederer+,ApJ, 679, 1549, 2008 | The Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) Project. I. The Lithium-, s-, and r-enhanced Metal-poor Giant HKII 17435-00532 | |
| 60.5 KByte | I.U.Roederer+,ApJ, 698, 1963, 2009 | The End of Nucleosynthesis: Production of Lead and Thorium in the Early Galaxy | |
| 189.8 KByte | I.U.Roederer+,ApJ, 711, 573, 2010 | HARACTERIZING THE CHEMISTRY OF THE MILKY WAY STELLAR HALO: DETAILED CHEMICAL ANALYSIS OF A METAL-POOR STELLAR STREAM | |
| 360.7 KByte | Ishigaki et al.,ApJ,753,64,2012 | Chemical Abundances of the Milky Way Thick Disk and Stellar Halo. I. Implications of [alpha/Fe] for Star Formation Histories in Their Progenitors | |
| 566.6 KByte | Ishigaki et al.,ApJ,771,67,2013 | Chemical Abundances of the Milky Way Thick Disk and Stellar Halo. II. Sodium, Iron-peak, and Neutron-capture Elements | |
| 14.6 KByte | Ito et al.,ApJ,773,33,2013 | Chemical Analysis of the Ninth Magnitude Carbon-enhanced Metal-poor Star BD+44°493 | |
| 127.1 KByte | J.A.Johnson+,ApJ, 554, 888, 2001 | Th Ages for Metal-poor Stars | |
| 70.1 KByte | J.A.Johnson+,ApJ, 579, 616, 2002 | The r-Process in the Early Galaxy | |
| 7.6 KByte | J.A.Johnson+,ApJ, 579L, 87, 2002 | Abundances in the Very Metal Poor s-Processrich Star CS 22183-015 | J.A.Johnson, M.Bolte |
| 13.8 KByte | J.A.Johnson+,ApJ, 605, 462, 2004 | The s-Process in Metal-Poor Stars: Abundances for 22 Neutron-Capture Elements in CS 31062-050 | J.A.Johnson, M.Bolte |
| 73.9 KByte | J.A.Johnson+,ApJ, 658, 1203, 2007 | A Search for Nitrogen-enhanced Metal-poor Stars | J.A.Johnson, F.Herwig, T.C.Beers, N.Christlieb |
| 252.6 KByte | J.A.Johnson+,ApJS, 139, 219, 2002 | ABUNDANCES OF 30 ELEMENTS IN 23 METAL-POOR STARS | J.A.Johnson |
| 104.0 KByte | J.A.Rich+,ApJ, 701, 1519, 2009 | BERYLLIUM, OXYGEN, AND IRON ABUNDANCES IN EXTREMELY METAL-DEFICIENT STARS | |
| 38.2 KByte | J.E.Norris+,ApJ, 488, 350, 1997 | Extremely Metal-poor Stars. IV. The Carbon-rich Objects | J.E.Norris, S.R.Ryan, T.C.Beers |
| 13.3 KByte | J.E.Norris+,ApJ, 540, 456, 2000 | Extremely Metal-poor Stars. VII. The Most Metal-poor Dwarf, CS 22876-032 | J.E.Norris, T.C.Beers, S.G.Ryan |
| 39.9 KByte | J.E.Norris+,ApJ, 561, 1034, 2001 | EXTREMELY METAL-POOR STARS. VIII. HIGH-RESOLUTION, HIGH SIGNAL-TO-NOISE RATIO ANALYSIS OF FIVE STARS WITH [Fe/H]<=-3.5 | J.E.Norris, S.G.Ryan, T.C.Beers |
| 3.7 KByte | J.E.Norris+,ApJ, 569, L107, 2002 | EXTREMELY METAL-POOR STARS. IX. CS 22949-037 AND THE ROLE OF HYPERNOVAE | J.E.Norris, S.G.Ryan, T.C.Beers, W.Aoki, H.Ando |
| 10.3 KByte | J.E.Norris+,ApJ, 670, 774, 2007 | HE 0557-4840: Ultra–Metal-Poor and Carbon-Rich | J.E.Norris, N.Christlieb, A.J.Korn, K.Eriksson, M.S.Bessell, T.C.Beers, K.Wisotzki, D.Reimers |
| 16.2 KByte | J.G.Cohen+,AJ, 124, 470, 2002 | STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. I. STELLAR PARAMETERS | J.G.Cohen, N.Christlieb, T.C.Beers, R.Gratton, E.Carretta |
| 110.1 KByte | J.G.Cohen+,AJ, 132, 137, 2006 | Carbon Stars in the Hamburg/ESO Survey: Abundances | J.G.Cohen, A.McWilliam, S.Shectman, I.Thompson, N.Christlieb, J.Melendez, S.Ramirez, A.Swensson, F.-J.Zickgraf |
| 12.7 KByte | J.G.Cohen+,ApJ, 588, 1082, 2003 | ABUNDANCE ANALYSIS OF HE 2148-1247, A STAR WITH EXTREMELY ENHANCED NEUTRON CAPTURE ELEMENTS | J.G.Cohen, N.Christlieb, Y.-Z.Qian, G.J.Wasserburg |
| 129.3 KByte | J.G.Cohen+,ApJ, 612, 1107, 2004 | Abundances In Very Metal-Poor Dwarf Stars | J.G.Cohen, N.Christlieb, A.McWilliam, S.Shectman, I.Thompson, G.J.Wasserburg, I.Ivans, M.Dehn, T.Karlsson, J.Melendez |
| 10.0 KByte | J.G.Cohen+,ApJ, 659, L161, 2007 | A New Type of Extremely Metal-poor Star | J.G.Cohen, A.McWilliam, N.Christlieb, S.Shectman, I.Thompson, J.Melendez, L.Wisotzki, D.Reimers |
| 73.6 KByte | J.G.Cohen+,ApJ, 672, 320, 2008 | New Extremely Metal-Poor Stars in the Galactic Halo | |
| 17.8 KByte | J.I.GonzalezHernandez+,AAP, 480, 233, 2008 | First stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876-032 | |
| 19.1 KByte | J.J.Cowan+,ApJ, 572, 861, 2002 | THE CHEMICAL COMPOSITION AND AGE OF THE METAL-POOR HALO STAR BD +173248 | J.J.Cowan, C.Sneden, S.Burles, I.I.Ivans, T.C.Beers, J.W.Truran, J.E.Lawler, F.Primas, G.M.Fuller, B.Pfeiffer, K-L.Kratz |
| 47.1 KByte | J.J.Cowan+,ApJ, 627, 238, 2005 | Hubble Space Telescope Observations of Heavy Elements in Metal-Poor Galactic Halo Stars | J.J.Cowan, C.Sneden, T.C.Beers, J.E.Lawler, J.Simmerer, J.W.Truran, F.Primas, J.Collier, S.Burles |
| 179.9 KByte | J.Melendez+,AAP, 515, L3, 2010 | Observational evidence for a broken Li Spite plateau and mass-dependent Li depletion | |
| 33.8 KByte | J.Melendez+,ApJ, 556, 858, 2001 | Oxygen Abundances in Metal-poor Stars (-2.2 < [Fe/H] < -1.2) from Infrared OH Lines | J.Melendez, B.Barbuy |
| 18.3 KByte | J.Melendez+,ApJ, 575, 474, 2002 | Keck NIRSPEC Infrared OH Lines: Oxygen Abundances in Metal-poor Stars down to [Fe/H] = -2.9 | J.Melendez, B.Barbuy |
| 65.6 KByte | J.Melendez+,ApJ, 642, 1082, 2006 | PERMITTED OXYGEN ABUNDANCES AND THE TEMPERATURE SCALE OF METAL-POOR TURNOFF STARS | |
| 6.4 KByte | J.Melendez+,ApJ, 659, L25, 2007 | Magnesium Isotopes in Metal-poor Dwarfs:The Rise of AGB Stars and the Formation Timescale of the Galactic Halo | |
| 863.5 KByte | J.P.Fulbright+,AJ, 120, 1841, 2000 | ABUNDANCES AND KINEMATICS OF FIELD HALO AND DISK STARS. I. OBSERVATIONAL DATA AND ABUNDANCE ANALYSIS | J.P.Fulbright |
| 151.8 KByte | J.P.Fulbright+,ApJ, 595, 1154, 2003 | Oxygen Abundances in Metal-poor Stars | J.P.Fulbright, J.A.Johnson |
| 40.3 KByte | J.R.Shi+,AAP, 465, 587, 2007 | Lithium abundances in metal-poor stars (Research Note) | J.R.Shi, T.Gehren, H.W.Zhang, J.L.Zeng, G.Zhao |
| 441.8 KByte | J.Simmerer+,ApJ, 617, 1091, 2004 | The Rise of the s-Process in the Galaxy | J.Simmerer, C.Sneden, J.J.Cowan, J.Collier, V.M.Woolf, J.E.Lawler |
| 27.6 KByte | J.Westin+,ApJ, 530, 783, 2000 | THE r-PROCESS-ENRICHED LOW-METALLICITY GIANT HD 115444 | J.Westin, C.Sneden, B.Gustafsson, J.J.Cowan |
| 877.6 KByte | Jacobson et al.,ApJ,807,171,2015 | ||
| 74.5 KByte | K.F.Tan+,MNRAS, 392, 205, 2009 | Beryllium abundances in metal-poor stars | |
| 205.3 KByte | K.Jonsell+,AAP, 440, 321, 2005 | Chemical abundances in 43 metal-poor stars | K.Jonsell, B.Edvardsson, B.Gustafsson, P.Magain, P.E.Nissen, M.Asplund |
| 16.1 KByte | K.Jonsell+,AAP, 451, 651, 2006 | The Hamburg/ESO R-process enhanced star survey (HERES). III. HE 0338-3945 and the formation of the r + s stars | K.Jonsell, P.S.Barklem, B.Gustafsson, N.Christlieb, V.Hill, T.C.Beers, J.Holmberg |
| 8.1 KByte | Karinkuzhi et al.,APJ,834,61,2017 | Chemical Analysis of a Carbon-enhanced Very Metal-poor Star: CD-27 14351 | D.Karinkuzhi, A.Goswami, T.Masseron |
| 10.1 KByte | Keller et al.,Nature,506,463,2014 | A single low-energy, iron-poor supernova as the source of metals in the star SMSS J031300.36-670839.3 | |
| 18.0 KByte | Kennedy et al.,ApJ,787,6,2014 | Seven New Carbon-enhanced Metal-poor RR Lyrae Stars | |
| 46.9 KByte | Kielty et al.,MNRAS,471,404,2017 | Carbon-enhanced metal-poor stars in the SDSS-APOGEE data base | C.L.Kielty, K.A.Venn, N.B.Loewen, M.D.Shetrone, V.M.Placco, F.Jahandar, S.Meszaros, S.L.Martell |
| 16.9 KByte | L.Mashonkina+,AAP, 516, A46, 2010 | The Hamburg/ESO R-process Enhanced Star survey (HERES) V. Detailed abundance analysis of the r-process enhanced star HE 2327-5642 | |
| 18.0 KByte | L.Mashonkina+,ApJ, 679, 1549, 2008 | Non-LTE line formation for heavy elements in four very metal-poor stars | |
| 454.4 KByte | L.Zhang+,AAP, 528, A92, 2011 | The Hamburg/ESO R-process Enhanced Star survey (HERES). VI. The Galactic chemical evolution of silicon | |
| 27.8 KByte | Li et al.,ApJ,765,51,2013 | Fluorine Abundances of Galactic Low-metallicity Giants | |
| 65.4 KByte | Li et al.,ApJ,798,110,2015 | Spectroscopic Analysis of Metal-poor Stars from LAMOST: Early Results | |
| 56.7 KByte | Li et al.,ApJ,852,L31,2018 | Enormous Li Enhancement Preceding Red Giant Phases in Low-mass Stars in the Milky Way Halo | J.Shi, Y.BharatKumar, T.Matsuno, W.Aoki, H.Li, T.Suda, G.Zhao |
| 15.1 KByte | Li et al.,PASJ,67,84,2015 | High-resolution spectroscopic studies of ultra metal-poor stars found in the LAMOST survey | H.Li, W.Aoki, G.Zhao, S.Honda, N.Christlieb, T.Suda |
| 11.0 KByte | Li et al.,RAA,15,1264,2015 | Discovery of a strongly r-process enhanced extremely metal-poor star LAMOST J110901.22+075441.8 | H.Li, W.Aoki, S.Honda, G.Zhao, N.Christlieb, T.Suda |
| 62.7 KByte | M.Asplund+,ApJ, 644, 229, 2006 | Lithium Isotopic Abundances in Metal-poor Halo Stars | M.Asplund, D.L.Lambert, P.E.Nissen, F.Primas, V.V.Smith |
| 34.8 KByte | M.Bergemann+,AAP, 492, 823, 2008 | NLTE abundances of Mn in a sample of metal-poor stars | |
| 25.6 KByte | M.Bergemann+,AAP, 522, A9, 2010 | Chromium: NLTE abundances in metal-poor stars and nucleosynthesis in the Galaxy | |
| 38.6 KByte | M.Bergemann+,MNRAS, 401, 1334, 2010 | NLTE analysis of Co i /Co ii lines in spectra of cool stars with new laboratory hyperfine splitting constants | |
| 372.0 KByte | M.Ishigaki+,PASJ, 62, 143, 2010 | Chemical Abundances of Outer Halo Stars in the Milky Way | |
| 3.3 KByte | M.S.Bessell+,ApJ, 612, L61, 2004 | ON THE OXYGEN ABUNDANCE OF HE 0107-5240 | M.S.Bessell, N.Christlieb, B.Gustafsson |
| 10.9 KByte | M.Spite+,AAP, 360, 1077, 2000 | Element abundance ratios in an extremely metal-poor binary star: CS 22873-139 | M.Spite, E.Depagne, B.Nordstrom, V.Hill, R.Cayrel, F.Spite, T.C.Beers |
| 103.2 KByte | M.Spite+,AAP, 430, 655, 2005 | First stars VI – Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements | M.Spite, R.Cayrel, B.Plez, V.Hill, F.Spite, E.Depagne, P.Francois, P.Bonifacio, B.Barbuy, T.Beers, J.Andersen, P.Molaro, B.Nordstrom, F.Primas |
| 89.1 KByte | M.Spite+,AAP, 455, 291, 2006 | First stars IX - Mixing in extremely metal-poor giants. Variation of the 12C/13C, [Na/Mg] and [Al/Mg] ratios | M.Spite, R.Cayrel, V.Hill, F.Spite, P.Francois, B.Plez, P.Bonifacio, P.Molaro, E.Depagne, J.Andersen, B.Barbuy, T.C.Beers, B.Nordstrom, F.Primas |
| 72.4 KByte | M.Spite+,AAP, 528, A9, 2011 | First stars. XIV. Sulfur abundances in extremely metal-poor stars | |
| 131.9 KByte | M.Takada-Hidai+,ApJ, 573, 614, 2002 | Behavior of Sulfur Abundances in Metal-poor Giants and Dwarfs | |
| 15.6 KByte | Mashonkina et al.,A&A,569,A43,2014 | The Hamburg/ESO R-process Enhanced Star survey (HERES). X. HE 2252-4225, one more r-process enhanced and actinide-boost halo star | |
| 88.8 KByte | Masseron et al.,A&A,509,A93,2010 | A holistic approach to carbon-enhanced metal-poor stars | S.Goriely, F.Primas, S.vanEck, B.Plez, J.A.Johnson, T.Masseron, A.Jorissen |
| 57.6 KByte | Masseron et al.,ApJ,751,14,2012 | Lithium Abundances in Carbon-enhanced Metal-poor Stars | |
| 52.8 KByte | Matsuno et al.,AJ,154,52,2017 | High-resolution Spectroscopy of Extremely Metal-poor Stars from SDSS/SEGUE. III. Unevolved Stars with [Fe/H] ≲ -3.5 | T.Matsuno, W.Aoki, T.Beers, Y.Lee, S.Honda |
| 24.3 KByte | Matuno et al.,PASJ,69,24,2017 | Lithium in CEMP-no stars: A new constraint on the lithium depletion mechanism in the early universe* | T.Suda, W.Aoki, T.Matsuno, H.Li |
| 9.4 KByte | Melendez et al.,A&A,585,L5,2016 | 2MASS J18082002-5104378: The brightest (V = 11.9) ultra metal-poor star | G.Perez, T.S.Li, I.Ramirez, M.Tucci-Maia, V.M.Placco, J.Melendez |
| 297.1 KByte | Mishenina et al.,A&A,547,A106,2012 | Activity and the Li abundances in the FGK dwarfs* | |
| 1378.1 KByte | Mishenina et al.,A&A,552,A128,2013 | Abundances of neutron-capture elements in stars of the Galactic disk substructures | |
| 92.8 KByte | Mishenina et al.,MNRAS,469,4378,2017 | Observing the metal-poor solar neighbourhood: a comparison of galactic chemical evolution predictions*† | .NuGridCollaboration, F.Herwig, C.Ritter, A.Paul, C.Jordan, B.K.Gibson, C.Travaglio, S.Bisterzo, B.Wehmeyer, V.V.Kovtyukh, S.A.Korotin, T.Gorbaneva, N.Basak, C.Soubiran, F.Thielemann, B.Cote, M.Pignatari, T.Mishenina |
| 38.2 KByte | N.Christlieb+,AAP, 428, 1027, 2004 | The Hamburg/ESO R-process Enhanced Star survey (HERES) | N.Christlieb, T.C.Beers, P.S.Barklem, M.Bessell, V.Hill, J.Holmberg, A.J.Korn, B.Marsteller, L.Mashonkina, Y-Z.Qian, S.Rossi, G.J.Wasserburg, F-J.Zickgraf, K-L.Kratz, B.Nordstrom, B.Pfeiffer, J.Rhee, S.G.Ryan |
| 11.2 KByte | N.Christlieb+,ApJ, 603, 708, 2004 | HE 0107-5240, A CHEMICALLY ANCIENT STAR. I. A DETAILED ABUNDANCE ANALYSIS | N.Christlieb, B.Gustafsson, A.J.Korn, P.S.Barklem, T.C.Beers, M.S.Bessell, T.Karlsson, M.Mizuno-Wiedner |
| 19.8 KByte | N.Ryde+,AAP, 415, 559, 2004 | On the Galactic chemical evolution of sulfur | |
| 36.9 KByte | N.T.Behara+,AAP, 513, A72, 2010 | Three carbon-enhanced metal-poor dwarf stars from the SDSS. Chemical abundances from CO5BOLD 3D hydrodynamical model atmospheres | |
| 354.4 KByte | Nissen et al.,A&A,511,L10,2010 | Two distinct halo populations in the solar neighborhood. Evidence from stellar abundance ratios and kinematics | |
| 288.4 KByte | Nissen et al.,A&A,530,A15,2011 | Two distinct halo populations in the solar neighborhood. II. Evidence from stellar abundances of Mn, Cu, Zn, Y, and Ba | |
| 4.5 KByte | Norris et al.,ApJ,753,150,2012 | The Oxygen Abundance of the Ultra-metal-poor Star HE 0557-4840 | |
| 53.6 KByte | Norris et al.,ApJ,762,25,2013 | The Most Metal-poor Stars. I. Discovery, Data, and Atmospheric Parameters | |
| 31.7 KByte | OMalley et al.,ApJ,838,90,2017 | A Differential Abundance Analysis of Very Metal-poor Stars | E.O'Malley, A.McWilliam, B.Chaboyer, I.Thompson |
| 48.4 KByte | P.Bonifacio+,AAP, 462, 851, 2007 | First stars VII - Lithium in extremely metal poor dwarfs | P.Bonifacio, P.Molaro, T.Sivarani, R.Cayrel, M.Spite, F.Spite, B.Plez, J.Andersen, B.Barbuy, T.C.Beers, E.Depagne, V.Hill, P.Francois, B.Nordstrom, F.Primas |
| 107.0 KByte | P.Bonifacio+,AAP, 501, 519, 2009 | First stars XII. Abundances in extremely metal-poor turnoff stars, and comparison with the giants | |
| 75.2 KByte | P.E.Nissen+,AAP, 390, 235, 2002 | O/Fe in metal-poor main sequence and subgiant stars | P.E.Nissen, F.Primas, M.Asplund, D.L.Lambert |
| 80.8 KByte | P.E.Nissen+,AAP, 415, 993, 2004 | Sulphur and zinc abundances in Galactic stars and damped Ly alpha systems | |
| 95.9 KByte | P.E.Nissen+,AAP, 469, 319, 2007 | Sulphur and zinc abundances in Galactic halo stars revisited | P.E.Niseen, C.Ackerman, M.Asplund, D.Fabbian, F.Kerber, H.U.Kaufl, M.Pettini |
| 28.9 KByte | P.Francois+,AAP, 403, 1105, 2003 | First Stars. III. A detailed elemental abundance study of four extremely metal-poor giant stars | P.Francois, E.Depagne, V.Hill, M.Spite, F.Spite, B.Plez, T.C.Beers, B.Barbuy, R.Cayrel, J.Andersen, P.Bonifacio, P.Molaro, B.Nordstrom, F.Primas |
| 197.0 KByte | P.Francois+,AAP, 476, 935, 2007 | First stars. VIII. Enrichment of the neutron-capture elements in the early Galaxy | |
| 1559.5 KByte | P.S.Barklem+,AAP, 439, 129, 2005 | The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample | P.S.Barklem, N.Christlieb, T.C.Beers, V.Hill, M.S.Bessell, J.Holmberg, B.Marsteller, S.Rossi, F.-J.Zickgraf, D.Reimers |
| 10.4 KByte | Pereira et al.,MNRAS,469,774,2017 | Chemical abundances and kinematics of TYC 5619-109-1 | F.Roig, N.A.Drake, V.V.Smith, C.B.Pereira, S.Hasselquist, K.Cunha, E.Jilinski |
| 24.7 KByte | Placco et al.,ApJ,770,104,2013 | Metal-poor Stars Observed with the Magellan Telescope. I. Constraints on Progenitor Mass and Metallicity of AGB Stars Undergoing s-process Nucleosynthesis | |
| 59.6 KByte | Placco et al.,ApJ,781,40,2014 | Metal-poor Stars Observed with the Magellan Telescope. II. Discovery of Four Stars with [Fe/H] <= --3.5 | |
| 11.6 KByte | Placco et al.,ApJ,790,34,2014 | Hubble Space Telescope Near-ultraviolet Spectroscopy of the Bright CEMP-no Star BD+44°493 | |
| 14.1 KByte | Placco et al.,ApJ,809,136,2015 | ||
| 24.3 KByte | Placco et al.,APJ,812,109,2015 | Hubble Space Telescope Near-Ultraviolet Spectroscopy of Bright CEMP-s Stars | V.Placco, T.Beers, I.Ivans, D.Filler, J.Imig, I.Roederer, C.Abate, T.Hansen, J.Cowan, A.Frebel, J.Lawler, H.Schatz, C.Sneden, J.Sobeck, W.Aoki, V.Smith, M.Bolte |
| 17.2 KByte | Placco et al.,ApJ,829,L24,2016 | G64-12 and G64-37 Are Carbon-enhanced Metal-poor Stars | H.Reggiani, T.C.Beers, V.M.Placco, J.Melendez |
| 9.7 KByte | Placco et al.,APJ,833,21,2016 | Observational Constraints on First-Star Nucleosynthesis. II. Spectroscopy of an Ultra metal-poor CEMP-no Star | A.R.Casey, C.Chan, A.Heger, A.Chiti, J.Yoon, T.C.Beers, A.Frebel, V.M.Placco, N.Christlieb |
| 17.1 KByte | Placco et al.,APJ,844,18,2017 | RAVE J203843.2-002333: The First Highly R-process-enhanced Star Identified in the RAVE Survey | V.Placco, E.Holmbeck, A.Frebel, T.Beers, R.Surman, A.Ji, R.Ezzeddine, S.Points, C.Kaleida, T.Hansen, C.Sakari, A.Casey |
| 3.3 KByte | Prakapavicius et al.,A&A,599,128,2017 | Three-dimensional hydrodynamical CO5BOLD model atmospheres of red giant stars. V. Oxygen abundance in the metal-poor giant HD 122563 from OH UV lines | D.Prakapavicius, A.Kucinskas, V.Dobrovolskas, J.Klevas, M.Steffen, P.Bonifacio, H.-G.Ludwig, M.Spite |
| 3.3 KByte | R.Cayrel+,, 45, 533, 2001 | Determination of [O/Fe] in BD +23 3130 from ESO VLT-UVES observations | R.Cayrel, J.Andersen, B.Barbuy, T.C.Beers, P.Bonifacio, P.Francois, V.Hill, P.Molaro, B.Nordstrom, B.Plez, F.Primas, F.Spite, M.Spite |
| 258.8 KByte | R.Cayrel+,AAP, 416, 1117, 2004 | First stars V - Abundance patterns from C to Zn and supernova yields in the early Galaxy | R.Cayrel, E.Depagne, M.Spite, V.Hill, F.Spite, P.Francois, B.Plez, T.Beers, F.Primas, J.Andersen, B.Barbuy, P.Bonifacio, P.Molaro, B.Nordstrom |
| 219.4 KByte | R.G.Gratton+,AAP, 354, 169, 2000 | Mixing along the red giant branch in metal-poor field stars | R.G.Gratton, C.Sneden, E.Carretta, A.Bragaglia |
| 631.7 KByte | R.G.Gratton+,AAP, 404, 187, 2003 | Abundances for metal-poor stars with accurate parallaxes | |
| 187.8 KByte | R.Smiljanic+,AAP, 499, 103, 2009 | Beryllium abundances and star formation in the halo and in the thick disk | |
| 1327.4 KByte | Reddy et al.,MNRAS,367,1329,2006 | Elemental abundance survey of the Galactic thick disc | |
| 192.9 KByte | Ren et al.,A&A,537,A118,2012 | The Hamburg/ESO R-process Enhanced Star survey (HERES). VII. Thorium abundances in metal-poor stars | |
| 4628.9 KByte | Roederer et al.,AJ,147,136,2014 | A Search for Stars of Very Low Metal Abundance. VI. Detailed Abundances of 313 Metal-poor Stars | |
| 7.4 KByte | Roederer et al.,ApJ,747,L8,2012 | Detection of the Second r-process Peak Element Tellurium in Metal-poor Stars | |
| 244.3 KByte | Roederer et al.,ApJ,784,158,2014 | Neutron-capture Nucleosynthesis in the First Stars | |
| 14.9 KByte | Roederer et al.,ApJ,791,32,2014 | New Detections of Arsenic, Selenium, and Other Heavy Elements in Two Metal-poor Stars | |
| 23.8 KByte | Roederer et al.,ApJ,821,37,2016 | The Diverse Origins of Neutron-capture Elements in the Metal-poor Star HD 94028: Possible Detection of Products of I-Process Nucleosynthesis | F.Herwig, M.Pignatari, A.I.Karakas, I.U.Roederer |
| 7.5 KByte | Roederer et al.,ApJ,824,L19,2016 | Detection of Phosphorus, Sulphur, and Zinc in the Carbon-enhanced Metal-poor Star BD+44 493 | T.C.Beers, V.M.Placco, I.U.Roederer |
| 19.4 KByte | Roederer et al.,ApJ,860,125,2018 | Consistent Iron Abundances Derived from Neutral and Singly Ionized Iron Lines in Ultraviolet and Optical Spectra of Six Warm Metal-poor Stars | I.U.Roederer, C.Sneden, J.E.Lawler, J.S.Sobeck, J.J.Cowan, A.MerchantBoesgaard |
| 21.4 KByte | Roederer et al.,ApJ,865,129,2018 | The R-Process Alliance: A Comprehensive Abundance Analysis of HD 222925, a Metal-poor Star with an Extreme R-process Enhancement of [Eu/H] = -0.14 | I.U.Roederer, C.M.Sakari, V.M.Placco, T.C.Beers, R.Ezzeddine, A.Frebel, T.T.Hansen |
| 58.1 KByte | Roederer et al.,ApJS,203,27,2012 | New Hubble Space Telescope Observations of Heavy Elements in Four Metal-Poor Stars | |
| 44.4 KByte | Roederer et al.,MNRAS,445,2970,2014 | Nine new metal-poor stars on the subgiant and red horizontal branches with high levels of r-process enhancement | |
| 10.2 KByte | Roriz et al.,MNRAS,472,350,2017 | High-resolution spectroscopic observations of the new CEMP-s star CD -50°776 | M.Roriz, C.B.Pereira, N.A.Drake, F.Roig |
| 1088.0 KByte | Ruchti et al.,ApJ,737,9,2011 | Observational Properties of the Metal-poor Thick Disk of the Milky Way and Insights into its Origins | |
| 44.8 KByte | Ruchti et al.,ApJ,743,107,2011 | Metal-poor Lithium-rich Giants in the Radial Velocity Experiment Survey | F.G.Watson, M.Steinmetz, A.Siviero, A.Siebert, G.M.Seabroke, W.Reid, Q.A.Parker, J.F.Navarro, U.Munari, B.K.Gibson, K.C.Freeman, J.Bland-Hawthorn, O.Bienayme, E.K.Grebel, G.F.Gilmore, R.F.G.Wyse, J.P.Fulbright, G.R.Ruchti, M.Williams, T.Zwitter |
| 4.1 KByte | S.C.Schuler+,ApJ, 667, L81, 2007 | Fluorine in a Carbon-enhanced Metal-poor Star | |
| 7.6 KByte | S.G.Ryan+,ApJ, 506, 892, 1998 | Extremely Metal Poor Stars. VI. The Heterogeneous Class of Lithium-depleted Main-Sequence Turnoff Dwarfs | S.G.Ryan, J.E.Norris, T.C.Beers |
| 36.7 KByte | S.G.Ryan+,ApJ, 549, 55, 2001 | Abundances and Evolution of Lithium in the Galactic Halo and Disk | |
| 27.4 KByte | S.Giridhar+,, 113, 519, 2001 | Chemical Compositions of Four Metal-poor Giant Stars | S.Giridhar, D.Lambert, G.Gonzalez, G.Pandey |
| 193.4 KByte | S.Honda+,ApJ, 607, 474, 2004 | Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. II. The r-Process Elements, Including Thorium | S.Honda, W.Aoki, T.Kajino, H.Ando, T.C.Beers, H.Izumiura, K.Sadakane, M.Takada-Hidai |
| 11.3 KByte | S.Honda+,ApJ, 643, 1180, 2006 | Neutron-Capture Elements in the Very Metal Poor Star HD 122563 | S.Honda, W.Aoki, Y.Ishimaru, S.Wanajo, S.G.Ryan |
| 21.9 KByte | S.Honda+,ApJ, 666, 1189, 2007 | Neutron-Capture Elements in the Very Metal-poor Star HD 88609: Another Star with Excesses of Light Neutron-Capture Elements | |
| 19.1 KByte | S.Honda+,ApJ, 730, 77, 2011 | Spectroscopic Studies of Extremely Metal-poor Stars with the Subaru High Dispersion Spectrograph. V. The Zn-enhanced Metal-poor Star BS 16920-017 | |
| 21.5 KByte | S.Honda+,ApJS, 152, 113, 2004 | Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. I. Observational Data | S.Honda, W.Aoki, H.Ando, H.Izumiura, T.Kajino, E.Kambe, S.Kawanomoto, K.Noguchi, K.Okita, K.Sadakane, B.Sato, M.Takada-Hidai, Y.Takeda, E.Watanabe, T.C.Beers, J.E.Norris, S.G.Ryan |
| 12.5 KByte | S.Lucatello+,AJ, 125, 875, 2003 | STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. III. THE LEAD (Pb) STAR HE 0024-2523 | S.Lucatello, R.Gratton, J.G.Cohen, T.C.Beers, N.Christlieb, E.Carretta, S.Ramirez |
| 113.5 KByte | S.M.Andrievsky+,AAP, 464, 1081, 2007 | NLTE determination of the sodium abundance in a homogeneous sample of extremely metal-poor stars | S.M.Andrievsky, M.Spite, S.A.Korotin, F.Spite, P.Bonifacio, R.Cayrel, V.Hill, P.Francois |
| 106.9 KByte | S.M.Andrievsky+,AAP, 481, 481, 2008 | NLTE determination of the aluminium abundance in a homogeneous sample of extremely metal-poor stars | |
| 86.4 KByte | S.M.Andrievsky+,AAP, 494, 1083, 2009 | Evolution of the barium abundance in the early Galaxy from a NLTE analysis of the Ba lines in a homogeneous sample of EMP stars | |
| 121.2 KByte | S.M.Andrievsky+,AAP, 509, A88, 2010 | Non-LTE abundances of Mg and K in extremely metal-poor stars and the evolution of [O/Mg], [Na/Mg], [Al/Mg], and [K/Mg] in the Milky Way | |
| 30.3 KByte | S.Van Eck+,AAP, 404, 291, 2003 | More lead stars | S.VanEck, S.Goriely, A.Jorissen, B.Plez |
| 11.9 KByte | Sakari et al.,ApJ,854,L20,2018 | The r-process Pattern of a Bright, Highly r-process-enhanced Metal-poor Halo Star at [Fe/H] ˜ -2 | G.Wallerstein, K.A.Venn, I.U.Roederer, A.Frebel, T.C.Beers, E.M.Holmbeck, T.Hansen, V.M.Placco, C.M.Sakari, C.EvanDavis, E.M.Farrell, D.Yong |
| 1262.9 KByte | Sakari et al.,ApJ,868,110,2018 | The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo | C.M.Sakari, V.M.Placco, E.M.Farrell, I.U.Roederer, G.Wallerstein, T.C.Beers, R.Ezzeddine, A.Frebel, T.Hansen, E.M.Holmbeck, C.Sneden, J.J.Cowan, K.A.Venn, C.EvanDavis, G.Matijevic, R.F.G.Wyse, J.Bland-Hawthorn, C.Chiappini, K.C.Freeman, B.K.Gibson, E.K.Grebel, A.Helmi, G.Kordopatis, A.Kunder, J.Navarro, W.Reid, G.Seabroke, M.Steinmetz, F.Watson |
| 510.6 KByte | Schlaufman et al.,ApJ,797,13,2014 | The Best and Brightest Metal-poor Stars | |
| 15.7 KByte | Siqueira et al.,A&A,584,86,2015 | High-resolution abundance analysis of HD 140283 | M.Spite, B.Barbuy, S.M.Andrievsky, C.Siqueira-Mello, F.Spite, S.A.Korotin |
| 3.8 KByte | Siqueira Mello et al.,A&A,548,A42,2012 | Origin of the heavy elements in HD 140283. Measurement of europium abundance | |
| 97.8 KByte | Siqueira Mello et al.,A&A,565,A93,2014 | High-resolution abundance analysis of very metal-poor r-I stars | |
| 111.3 KByte | Spite et al.,A&A,541,A143,2012 | NLTE determination of the calcium abundance and 3D corrections in extremely metal-poor stars | |
| 13.8 KByte | Spite et al.,A&A,552,A107,2013 | Carbon-enhanced metal-poor stars: the most pristine objects? | |
| 19.8 KByte | Spite et al.,A&A,571,A40,2014 | The low Sr/Ba ratio on some extremely metal-poor stars | |
| 8.0 KByte | Spite et al.,A&A,582,74,2015 | Lithium abundance in a turnoff halo star on an extreme orbit | P.Bonifacio, E.Caffau, F.Spite, M.Spite |
| 6.3 KByte | Spite et al.,A&A,600,26,2017 | Abundances of the light elements from UV (HST) and red (ESO) spectra in the very old star HD 84937 | M.Spite, R.C.Peterson, A.J.Gallagher, B.Barbuy, F.Spite |
| 53.3 KByte | Spite et al.,A&A,611,A30,2018 | Abundance patterns of the light neutron-capture elements in very and extremely metal-poor stars | E.Caffau, P.Bonifacio, B.Barbuy, M.Spite, F.Spite, P.Francois |
| 6.8 KByte | Starkenburg et al,MNRAS,481,3838,2018 | The Pristine survey IV: approaching the Galactic metallicity floor with the discovery of an ultra-metal-poor star | E.Starkenburg, D.S.Aguado, P.Bonifacio, E.Caffau, P.Jablonka, C.Lardo, N.Martin, R.Sanchez-Janssen, F.Sestito, K.A.Venn, K.Youakim, C.AllendePrieto, A.Arentsen, M.Gentile, J.I.GonzalezHernandez, C.Kielty, H.H.Koppelman, N.Longeard, E.Tolstoy, R.G.Carlberg, P.Cote, M.Fouesneau, V.Hill, A.W.McConnachie, J.F.Navarro |
| 8.9 KByte | Susmitha et al.,MNRAS,458,2648,2016 | Abundance analysis of SDSS J134338.67+484426.6; an extremely metal-poor star from the MARVELS pre-survey | A.Susmitha Rani, T.Sivarani, T.C.Beers, S.Fleming, S.Mahadevan, J.Ge |
| 22.6 KByte | T.C.Beers+,AJ, 133, 1193, 2007 | NEAR-INFRARED SPECTROSCOPY OF CARBON-ENHANCED METAL-POOR STARS. I. A SOAR /OSIRIS PILOT STUDY | |
| 152.5 KByte | T.Gehren+,AAP, 451, 1065, 2006 | Na, Mg and Al abundances as a population discriminant for nearby metal-poor stars | |
| 10.7 KByte | T.Kipper+,AAP, 290, 148, 1994 | Chemical composition of the metal-poor carbon star HD 187216 | T.Kipper, U.G.Jorgensen |
| 18.0 KByte | T.Masseron+,AAP, 455, 1059, 2006 | CS 30322-023: an ultra metal-poor TP-AGB star? | T.Masseron, S.VanEck, B.Famaey, S.Goriely, B.Plez, L.Siess, T.C.Beers, F.Primas, A.Jorissen |
| 14.3 KByte | T.Sivarani+,AAP, 413, 1073, 2004 | First stars IV. CS 29497-030: Evidence for operation of the s-process at very low metallicity | T.Sivarani, P.Bonifacio, P.Molaro, R.Cayrel, M.Spite, F.Spite, B.Plez, J.Andersen, B.Barbuy, T.C.Beers, E.Depagne, V.Hill, P.Francois, B.Nordstrom, F.Primas |
| 29.9 KByte | T.Sivarani+,AAP, 459, 125, 2006 | First stars X. The nature of three unevolved carbon-enhanced metal-poor stars | T.Sivarani, T.C.Beers, P.Bonifacio, P.Molaro, R.Cayrel, F.Herwig, M.Spite, F.Spite, B.Plez, J.Andersen, B.Barbuy, E.Depagne, V.Hill, P.Francois, B.Nordstrom, F.Primas |
| 347.0 KByte | T.V.Mishenina+,AAP, 370, 951, 2001 | Analysis of neutron capture elements in metal-poor stars | T.V.Mishenina, V.V.Kovtyukh |
| 189.3 KByte | T.V.Mishenina+,AAP, 396, 189, 2002 | Abundances of Cu and Zn in metal-poor stars: Clues for Galaxy evolution | T.V.Mishenina, V.V.Kovtyukh, C.Soubiran, C.Travaglio, M.Busso |
| 311.5 KByte | Takeda et al.,PASJ,57,45,2005 | Lithium Abundances of F-, G-, and K-Type Stars: Profile-Fitting Analysis of the Li I 6708 Doublet | |
| 358.8 KByte | Takeda et al.,PASJ,57,65,2005 | Photospheric CNO Abundances of Solar-Type Stars | |
| 1146.2 KByte | Takeda et al.,PASJ,59,335,2007 | Fundamental Parameters and Elemental Abundances of 160 F-G-K Stars Based on OAO Spectrum Database | |
| 15.7 KByte | V.Hill+,AAP, 353, 557, 2000 | Heavy-element abundances in the CH/CN-strong very metal-poor stars CS 22948-27 and CS 29497-34 | V.Hill, B.Barbuy, M.Spite, F.Spite, R.Cayrel, B.Plez, T.C.Beers, B.Nordstrom, P.E.Nissen |
| 19.0 KByte | V.Hill+,AAP, 387, 560, 2002 | First stars. I. The extreme r-element rich, iron-poor halo giant CS 31082-001 Implications for the r-process site(s) and radioactive cosmochronology? | V.Hill, B.Prez, R.Cayrel, T.C.Beers, B.Nordstrom, J.Andersen, M.Spite, F.Spite, B.Barbuy, P.Bonifacio, E.Depagne, P.Franois |
| 2431.3 KByte | Venn et al.,AJ,128,1177,2004 | Stellar Chemical Signatures and Hierarchical Galaxy Formation [ Erratum: 2006AJ....132.1726V ] | |
| 62.2 KByte | W.Aoki+,, 54, 933, 2002 | Subaru/HDS Study of the Extremely Metal-Poor Star CS 29498-043: Abundance Analysis Details and Comparison with Other Carbon-Rich Objects | W.Aoki, J.E.Norris, S.G.Ryan, T.C.Beers, H.Ando |
| 9.1 KByte | W.Aoki+,ApJ, 536, L97, 2000 | DETECTION OF LEAD IN THE CARBON-RICH, VERY METAL-POOR STAR LP 625-44: A STRONG CONSTRAINT ON s-PROCESS NUCLEOSYNTHESIS AT LOW METALLICITY | W.Aoki, J.E.Norris, S.G.Ryan, T.C.Beers, H.Ando |
| 15.7 KByte | W.Aoki+,ApJ, 561, 346, 2001 | NEUTRON CAPTURE ELEMENTS IN s-PROCESSÈRICH, VERY METAL-POOR STARS | W.Aoki, S.G.Ryan, J.E.Norris, T.C.Beers, H.Ando, N.Iwamoto, T.Kajino, G.J.Mathews, M.Y.Fujimoto |
| 39.0 KByte | W.Aoki+,ApJ, 567, 1166, 2002 | The Chemical Composition of Carbon-rich, Very Metal Poor Stars: A New Class of Mildly Carbon Rich Objects without Excess of Neutron-Capture Elements | W.Aoki, J.E.Norris, S.G.Ryan, T.C.Beers, H.Ando |
| 14.1 KByte | W.Aoki+,ApJ, 576, L141, 2002 | CHEMICAL COMPOSITION OF THE CARBON-RICH, EXTREMELY METAL POOR STAR CS 29498-043: A NEW CLASS OF EXTREMELY METAL POOR STARS WITH EXCESSES OF MAGNESIUM AND SILICON | W.Aoki, J.E.Norris, S.G.Ryan, T.C.Beers, H.Ando |
| 45.5 KByte | W.Aoki+,ApJ, 580, 1149, 2002 | A SUBARU/HIGH DISPERSION SPECTROGRAPH STUDY OF LEAD (Pb) ABUNDANCES IN EIGHT s-PROCESS ELEMENT–RICH, METAL-POOR STARS | W.Aoki, S.G.Ryan, J.E.Norris, T.C.Beers, H.Ando, S.Tsangarides |
| 4.5 KByte | W.Aoki+,ApJ, 586, 506, 2003 | Measurement of the Europium Isotope Ratio for the Extremely Metal poor, r-Process-enhanced Star CS 31082-001 | W.Aoki, C.Sneden, T.C.Beers, S.Honda |
| 7.2 KByte | W.Aoki+,ApJ, 592, L67, 2003 | Europium Isotope Ratios in s-Process Element-enhanced Metal-poor Stars: A New Probe of the 151Sm Branching | W.Aoki, S.G.Ryan, N.Iwamoto, T.C.Beers, J.E.Norris, H.Ando, T.Kajino, G.J.Mathews, M.Y.Fujimoto |
| 9.8 KByte | W.Aoki+,ApJ, 608, 971, 2004 | Oxygen Overabundance in the Extremely Iron-poor Star CS 29498-043 | W.Aoki, J.E.Norris, S.G.Ryan, T.C.Beers, N.Christlieb, S.Tsangarides, H.Ando |
| 155.7 KByte | W.Aoki+,ApJ, 632, 611, 2005 | Spectroscopic Studies of Very Metal-poor Stars with the Subaru High Dispersion Spectrograph. III. Light Neutron-Capture Elements | W.Aoki, S.Honda, T.C.Beers, T.Kajino, H.Ando, J.E.Norris, S.G.Ryan, H.Izumiura, K.Sadakane, M.Takada-Hidai |
| 16.9 KByte | W.Aoki+,ApJ, 639, 897, 2006 | HE 1327-2326, an Unevolved Star with [Fe/H]<-5.0. I. A Comprehensive Abundance Analysis | W.Aoki, A.Frebel, N.Christlieb, J.E.Norris, T.C.Beers, T.Minezaki, P.S.Barklem, S.Honda, M.Takada-Hidai, M.Asplund, S.G.Ryan, S.Tsangarides, K.Eriksson, A.Steinhauer, C.P.Deliyannis, K.Nomoto, M.Y.Fujimoto, H.Ando, Y.Yoshii, T.Kajino |
| 9.8 KByte | W.Aoki+,ApJ, 650, L127, 2006 | Carbon-enhanced Metal-poor Stars: Osmium and Iridium Abundances in the Neutron-Capture-enhanced Subgiants CS 31062-050 and LP 625-44 | W.Aoki, S.Bisterzo, R.Gallino, T.C.Beers, J.E.Norris, S.G.Ryan, S.Tsangarides |
| 144.1 KByte | W.Aoki+,ApJ, 655, 492, 2007 | Carbon-enhanced Metal-poor Stars. I. Chemical Compositions of 26 Stars | W.Aoki, T.Beers, N.Christlieb, J.E.Norris, S.G.Ryan, S.Tsangarides |
| 17.6 KByte | W.Aoki+,ApJ, 660, 747, 2007 | Spectroscopic Studies of Extremely Metal-poor Stars with the Subaru High-Dispersion Spectrograph. IV. The alpha-Element–Enhanced Metal-poor Star BS 16934-002 | W.Aoki, S.Honda, T.C.Beers, M.Takada‐Hidai, N.Iwamoto, N.Tominaga, H.Umeda, K.Nomoto, J.E.Norris, S.G.Ryan |
| 49.0 KByte | W.Aoki+,ApJ, 678, 1351, 2008 | Carbon-Enhanced Metal-Poor Stars. III. Main-Sequence Turnoff Stars from the SDSS SEGUE Sample | |
| 33.6 KByte | W.Aoki+,ApJ, 698, 1803, 2009 | LITHIUM ABUNDANCES OF EXTREMELY METAL-POOR TURNOFF STARS | |
| 25.8 KByte | W.Aoki+,ApJ, 723, L201, 2010 | EXTREME ENHANCEMENTS OF r-PROCESS ELEMENTS IN THE COOL METAL-POOR MAIN-SEQUENCE STAR SDSS J2357-0052 | |
| 22.7 KByte | W.Aoki+,PASJ, 54, 427, 2002 | Chemical Composition of Carbon-Rich, Very Metal-Poor Subgiant LP 625-44 Observed with the Subaru/HDS | W.Aoki, H.Ando, S.Honda, M.Iye, H.Izumiura, T.Kajino, E.Kambe, S.Kawanomoto, K.Noguchi, K.Okita, K.Sadakane, B.Sato, I.Shelton, M.Takada-Hidai, Y.Takeda, E.Watanabe, M.Yoshida |
| 43.7 KByte | W.Aoki+,PASJ, 60, L7, 2008 | Enrichment of Lead (Pb) in the Galactic Halo | |
| 10.5 KByte | Y.Ishimaru+,ApJ, 600, L47, 2004 | The Detection of Low Eu Abundances in Extremely Metal-poor Stars and the Origin of r-Process Elements | |
| 84.6 KByte | Y.Saito+,PASJ, 61, 549, 2009 | Chemical Evolution of Zinc in the Galaxy | |
| 69.6 KByte | Y.Takeda+,PASJ, 63, S537, 2011 | Exploring the [S/Fe] Behavior of Metal-Poor Stars with the Si 1.046 um Lines | |
| 164.1 KByte | Yan et al.,A&A,585,102,2016 | Non-LTE analysis of copper abundances for the two distinct halo populations in the solar neighborhood | H.L.Yan, J.R.Shi, P.E.Nissen, G.Zhao |
| 194.5 KByte | Yong et al.,ApJ,762,26,2013 | The Most Metal-poor Stars. II. Chemical Abundances of 190 Metal-poor Stars Including 10 New Stars with [Fe/H] <= -3.5 | |
| 200.6 KByte | Zhang et al.,ApJ,706,1095,2009 | Chemical Compositions of Kinematically Selected Outer Halo Stars |