BD+20_3603
Original Names
G183-11 in P.E.Nissen+,AAP, 390, 235, 2002HIP87693 in K.A.Venn+,AJ, 128, 1177, 2004
taken from 11 paper(s):
/G.S.Bai et al.(2004)/
/P.E.Nissen et al.(2002)/
/J.P.Fulbright(2000)/
/A.M.Boesgaard et al.(1999)/
/K.F.Tan et al.(2009)/
/R.Smiljanic et al.(2009)/
/C.Charbonnel and F. Primas(2005)/
/A.E.GarciaPerez et al.(2009)/
/J.A.Rich and A. M. Boesgaard(2009)/
/C.J.Hansen et al.(2012)/
/K.A.Venn et al.(2004)/
G.S.Bai et al.,AAP, 425, 671, 2004 (A0023,ADS)
Chemical abundances of 10 metal-poor halo stars
Stellar Parameters
| Teff : 6138 | log g : 3.95+-0.3 | vturb : 1.50 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| O I | N/A | ... | 0.66 | ... | -1.29 | 0.80 | 7.40 | O I |
| Na I | N/A | ... | -0.44 | ... | -2.44 | -0.35 | 3.80 | Na I |
| Mg I | N/A | ... | 0.36 | ... | -1.75 | 0.34 | 5.85 | Mg I |
| Si I | N/A | ... | 0.73 | ... | -1.32 | 0.77 | 6.19 | Si I |
| Ca I | N/A | ... | 0.37 | ... | -1.70 | 0.39 | 4.64 | Ca I |
| Sc II | N/A | ... | 0.17 | ... | -1.90 | 0.19 | 1.25 | Sc II |
| Ti | N/A | ... | 0.53 | ... | -1.49 | 0.60 | 3.46 | Ti |
| Cr | N/A | ... | 0.05 | ... | -2.01 | 0.08 | 3.63 | Cr |
| Mn I | N/A | ... | -0.27 | ... | -2.40 | -0.31 | 3.03 | Mn I |
| Fe I | N/A | -2.09 | ... | ... | -2.09 | ... | 5.41 | Fe I |
| Ba II | N/A | ... | 0.04 | ... | -2.10 | -0.01 | 0.08 | Ba II |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2001-04-16 | N/A | PFESSAO | 15000 | 218 | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
P.E.Nissen et al.,AAP, 390, 235, 2002 (A0048,ADS)
O/Fe in metal-poor main sequence and subgiant stars
Stellar Parameters
| Teff : 6092 | log g : 4.04 | vturb : 1.5 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Fe | N/A | -2.10 | ... | ... | ... | ... | Fe |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2000-04 | N/A | VLT | 55000 | 300-400 | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
J.P.Fulbright et al.,AJ, 120, 1841, 2000 (A0126,ADS)
ABUNDANCES AND KINEMATICS OF FIELD HALO AND DISK STARS. I. OBSERVATIONAL DATA AND ABUNDANCE ANALYSIS
Stellar Parameters
| Teff : 6175 | log g : 4 | vturb : 0.9 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Li I | N/A | ... | ... | 2.3 | -0.96 | 1.13 | 2.3 | Li I |
| Na I | N/A | ... | 0.12 | ... | -1.90 | 0.19 | 4.34 | Na I |
| Mg I | N/A | ... | 0.46 | ... | -1.67 | 0.42 | 5.93 | Mg I |
| Ca I | N/A | ... | 0.39 | ... | -1.70 | 0.39 | 4.64 | Ca I |
| Ti | N/A | ... | 0.48 | ... | -1.59 | 0.50 | 3.36 | Ti |
| Cr I | N/A | ... | -0.05 | ... | -2.13 | -0.04 | 3.51 | Cr I |
| Fe | N/A | -2.11 | ... | ... | -2.09 | ... | 5.41 | Fe |
| Ni I | N/A | ... | 0.06 | ... | -2.02 | 0.07 | 4.20 | Ni I |
| Ba II | N/A | ... | -0.46 | ... | -2.62 | -0.53 | -0.44 | Ba II |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 1998-08-08 | N/A | LICKHAMILTON | 50000 | 105 | 2700 | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
A.M.Boesgaard et al.,AJ, 117, 492, 1999 (A0165,ADS)
OXYGEN IN UNEVOLVED METAL-POOR STARS FROM KECK ULTRAVIOLET HIRES SPECTRA
Stellar Parameters
| Teff : 6234 | log g : 4.33 | vturb : 1.5 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| O | N/A | -1.38+-0.12 | 0.77+-0.20 | 7.55 | -1.14+-0.12 | 0.84+-0.20 | 7.55 | O |
| Fe | N/A | -2.15 | ... | ... | -1.98 | ... | 5.52 | Fe |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 1994-07-05 | N/A | KECKHIRES | 45000 | 90 | 9300 | N/A |
| 1995-03-15 | N/A | KECKHIRES | 45000 | 90 | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
K.F.Tan et al.,MNRAS, 392, 205, 2009 (A0168,ADS)
Beryllium abundances in metal-poor stars
Stellar Parameters
| Teff : 6190+-80 | log g : 4.09+-0.15 | vturb : 1.5+-0.2 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Li | N/A | ... | ... | 2.21 | ... | ... | Li |
| Be | N/A | ... | ... | -0.61+-0.14 | ... | ... | Be |
| O | N/A | -1.27 | ... | ... | ... | ... | O |
| Fe | N/A | -2.08 | ... | ... | ... | ... | Fe |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2008-04-10 | N/A | VLT | 48000 | N/A | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
R.Smiljanic et al.,AAP, 499, 103, 2009 (A0190,ADS)
Beryllium abundances and star formation in the halo and in the thick disk
Stellar Parameters
| Teff : 6175 | log g : 3.99 | vturb : 0.9 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Li | N/A | ... | ... | 2.2 | -1.06 | 0.94 | 2.2 | Li |
| Be | N/A | ... | ... | -0.77 | -2.15 | -0.15 | -0.77 | Be |
| Fe | N/A | -2 | ... | ... | -2.00 | ... | 5.50 | Fe |
Observing Log
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
C.Charbonnel et al.,AAP, 442, 961, 2005 (A0191,ADS)
The lithium content of the Galactic Halo stars
Stellar Parameters
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Li I | N/A | ... | ... | 2.221+0.045-0.041 | -1.04+0.045-0.041 | 1.05+0.045-0.041 | 2.221+0.045-0.041 | Li I |
| Fe | N/A | -2.09+-0.120 | ... | ... | -2.09+-0.120 | ... | 5.41+-0.120 | Fe |
Observing Log
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : 20.27123 | Right Ascension : 268.68013 |
A.E.GarciaPerez et al.,AAP, 504, 213, 2009 (A0202,ADS)
6Li/7Li estimates for metal-poor stars
Stellar Parameters
| Teff : 6092 | log g : 4.04 | vturb : 1.5 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Li I | N/A | ... | ... | 2.14 | -1.12 | 1.10 | 2.14 | Li I |
| Fe II | N/A | -2.22 | ... | ... | -2.22 | ... | 5.28 | Fe II |
Isotopic Ratio
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 05-05-18 | N/A | SUBARUHDS | 90000 | 437 | 1800 | -241.6 |
| 05-05-18 | N/A | SUBARUHDS | 90000 | 437 | 4800 | N/A |
| 05-05-19 | N/A | SUBARUHDS | 90000 | 437 | 1800 | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
J.A.Rich et al.,ApJ, 701, 1519, 2009 (A0203,ADS)
BERYLLIUM, OXYGEN, AND IRON ABUNDANCES IN EXTREMELY METAL-DEFICIENT STARS
Stellar Parameters
| Teff : 6114+-89 | log g : 4.27+-0.2 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Be II | N/A | ... | ... | -0.6+-0.11 | -1.98+-0.11 | 0.24+-0.11 | -0.6+-0.11 | Be II |
| OH | N/A | -1.66+-0.12 | ... | ... | -1.48+-0.12 | 0.74+-0.12 | 7.21+-0.12 | OH |
| Fe | N/A | -2.22+-0.16 | ... | ... | -2.22+-0.16 | ... | 5.28+-0.16 | Fe |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | N/A | KECKHIRES | 46000 | N/A | N/A | N/A |
C.J.Hansen et al.,AAP, 545, A31, 2012 (A0272,ADS)
Silver and palladium help unveil the nature of a second r-process
Stellar Parameters
| Teff : 6309+-100 | log g : 3.97+-0.25 | vturb : 1.0+-0.15 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Fe | N/A | -2.12+-0.15 | ... | ... | ... | ... | Fe |
| Y | N/A | ... | -0.24+-0.12 | ... | ... | ... | Y |
| Zr | N/A | ... | 0.18+-0.17 | ... | ... | ... | Zr |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | VLT | 40000 | >100 | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
K.A.Venn et al.,AJ, 128, 1177, 2004 (C0011,ADS)
Stellar Chemical Signatures and Hierarchical Galaxy Formation
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Na | N/A | ... | 0.12 | ... | ... | ... | Na |
| Mg | N/A | ... | 0.46 | ... | ... | ... | Mg |
| Ca | N/A | ... | 0.39 | ... | ... | ... | Ca |
| Ti | N/A | ... | 0.48 | ... | ... | ... | Ti |
| Fe | N/A | -2.11 | ... | ... | ... | ... | Fe |
| Ni | N/A | ... | 0.06 | ... | ... | ... | Ni |
| Ba | N/A | ... | -0.46 | ... | ... | ... | Ba |
Observing Log
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : +201616 | Right Ascension : 175443.2 |