CS22958-083
taken from 6 paper(s):
/N.Christlieb et al.(2004)/
/P.S.Barklem et al.(2005)/
/J.A.Johnson et al.(2007)/
/G.W.Preston et al.(2006)/
/L.Zhang et al.(2011)/
/I.U.Roederer et al.(2014)/
The Hamburg/ESO R-process Enhanced Star survey (HERES)
Stellar Parameters
Position
Right Ascension : 02 15 42.70 | Declination : -53 59 56.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2001-11-01-034410 | N/A | N/A | 20000 | 29 | 900 | |
The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample
Stellar Parameters
Teff : 5101 | log g : 2.40 | 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 |
CH | 1 | ... | 0.64+-0.27 | 6.24+-0.26 | -2.19+-0.26 | 0.60+-0.27 | 6.24+-0.26 | CH |
Mg I | 6 | ... | 0.40+-0.23 | 5.19+-0.18 | -2.41+-0.18 | 0.38+-0.23 | 5.19+-0.18 | Mg I |
Al I | 1 | ... | -0.88+-0.28 | 2.80+-0.26 | -3.65+-0.26 | -0.86+-0.28 | 2.80+-0.26 | Al I |
Ca I | 6 | ... | 0.32+-0.24 | 3.89+-0.20 | -2.45+-0.20 | 0.34+-0.24 | 3.89+-0.20 | Ca I |
Sc II | 3 | ... | 0.03+-0.26 | 0.41+-0.24 | -2.74+-0.24 | 0.05+-0.26 | 0.41+-0.24 | Sc II |
Ti | 10 | ... | 0.29+-0.24 | 2.52+-0.21 | -2.43+-0.21 | 0.36+-0.24 | 2.52+-0.21 | Ti |
Cr I | 3 | ... | -0.10+-0.27 | 2.78+-0.27 | -2.86+-0.27 | -0.07+-0.27 | 2.78+-0.27 | Cr I |
Mn I | 3 | ... | -0.27+-0.24 | 2.33+-0.22 | -3.10+-0.22 | -0.31+-0.24 | 2.33+-0.22 | Mn I |
Fe | 37 | ... | 0.00+-0.22 | 4.71+-0.18 | -2.79+-0.18 | 0.00+-0.22 | 4.71+-0.18 | Fe |
Co I | 5 | ... | 0.28+-0.24 | 2.41+-0.22 | -2.58+-0.22 | 0.21+-0.24 | 2.41+-0.22 | Co I |
Ni I | 4 | ... | 0.28+-0.29 | 3.74+-0.29 | -2.48+-0.29 | 0.31+-0.29 | 3.74+-0.29 | Ni I |
Sr | 2 | ... | -0.06+-0.31 | 0.12+-0.31 | -2.75+-0.31 | 0.04+-0.31 | 0.12+-0.31 | Sr |
Ba II | 1 | ... | -0.99+-0.26 | -1.65+-0.24 | -3.83+-0.24 | -1.04+-0.26 | -1.65+-0.24 | Ba II |
Position
Right Ascension : 02 15 42.70 | Declination : -53 59 56.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
| N/A | VLT | 20000 | 32 | N/A | 175.6 |
A Search for Nitrogen-enhanced Metal-poor Stars
Stellar Parameters
Teff : 5189 | log g : 2.74 | vturb : 1.59 |
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 |
C | N/A | ... | +0.35+-0.29 | 6.41+-0.25 | -2.02+-0.25 | 0.46+-0.29 | 6.41+-0.25 | C |
N | N/A | ... | <0.96+-0.25 | <6.51+-0.25 | <-1.32+-0.25 | <1.16+-0.25 | <6.51+-0.25 | N |
Fe | N/A | -2.50+-0.21 | ... | ... | -2.48+-0.21 | ... | 5.02+-0.21 | Fe |
Position
Right Ascension : 02 15 42.70 | Declination : -53 59 56.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2044-11-27 | N/A | RCCTIO | N/A | 17 | 3600 | N/A |
ATMOSPHERES, CHEMICAL COMPOSITIONS, AND EVOLUTIONARY HISTORIES OF VERY METAL-POOR RED HORIZONTAL-BRANCH STARS IN THE GALACTIC FIELD AND IN NGC 7078 (M15)
Stellar Parameters
Teff : 4900+-150 | log g : 1.90+-0.3 | vturb : 1.50+-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 |
CH | N/A | ... | 0.46+-0.10 | ... | -2.26+-0.10 | 0.71+-0.10 | 6.17+-0.10 | CH |
Na I | 2 | ... | 0.29+-0.11 | ... | -2.61+-0.11 | 0.36+-0.11 | 3.63+-0.11 | Na I |
Mg I | 5 | ... | 0.51+-0.10 | ... | -2.50+-0.10 | 0.47+-0.10 | 5.10+-0.10 | Mg I |
Al I | 1 | ... | -0.45 | ... | -3.42 | -0.45 | 3.03 | Al I |
Si I | 1 | ... | 1.18 | ... | -1.77 | 1.20 | 5.74 | Si I |
Ca I | 8 | ... | 0.38+-0.08 | ... | -2.59+-0.08 | 0.38+-0.08 | 3.75+-0.08 | Ca I |
Sc II | 3 | ... | 0.02+-0.04 | ... | -3.02+-0.04 | -0.05+-0.04 | 0.13+-0.04 | Sc II |
Ti I | 6 | ... | 0.29+-0.07 | ... | -2.66+-0.07 | 0.31+-0.07 | 2.29+-0.07 | Ti I |
Ti II | 9 | ... | 0.33+-0.10 | ... | -2.62+-0.10 | 0.35+-0.10 | 2.33+-0.10 | Ti II |
V I | 2 | ... | 0.23+-0.10 | ... | -2.69+-0.10 | 0.28+-0.10 | 1.24+-0.10 | V I |
Cr I | 7 | ... | -0.01+-0.12 | ... | -2.97+-0.12 | 0.00+-0.12 | 2.67+-0.12 | Cr I |
Cr II | 2 | ... | 0.20+-0.30 | ... | -2.76+-0.30 | 0.21+-0.30 | 2.88+-0.30 | Cr II |
Mn I | 2 | ... | -0.37+-0.13 | ... | -3.40+-0.13 | -0.43+-0.13 | 2.03+-0.13 | Mn I |
Fe I | 113 | -2.99+-0.11 | ... | ... | -2.97+-0.11 | ... | 4.53+-0.11 | Fe I |
Fe II | 10 | -2.98+-0.09 | ... | ... | -2.96+-0.09 | ... | 4.54+-0.09 | Fe II |
Co I | 1 | ... | 0.42 | ... | -2.64 | 0.33 | 2.35 | Co I |
Sr II | 2 | ... | -0.15+-0.01 | ... | -3.11+-0.01 | -0.14+-0.01 | -0.24+-0.01 | Sr II |
Zr II | 1 | ... | 0.10 | ... | -3.34 | -0.37 | -0.76 | Zr II |
Ba II | 3 | ... | -0.82+-0.08 | ... | -3.86+-0.08 | -0.89+-0.08 | -1.68+-0.08 | Ba II |
La II | 2 | ... | <-0.27 | ... | <-3.21 | <-0.24 | <-2.11 | La II |
Eu II | 2 | ... | <-0.13 | ... | <-3.13 | <-0.16 | <-2.61 | Eu II |
Binary Parameters
Position
Right Ascension : 02 15 42.70 | Declination : -53 59 56.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2003-10-09-0701 | N/A | MIKELCO | 40000 | 120 | 7200 | N/A |
The Hamburg/ESO R-process Enhanced Star survey (HERES). VI. The Galactic chemical evolution of silicon
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 |
C | N/A | -2.24 | 0.55 | 6.28 | -2.15 | 0.64 | 6.28 | C |
Fe | N/A | -2.79 | ... | ... | -2.79 | ... | 4.71 | Fe |
Position
Right Ascension : 02 15 42.70 | Declination : -53 59 56.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
| N/A | VLT | 20000 | N/A | N/A | N/A |
A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS
Stellar Parameters
Teff : 4900+-35 | log g : 1.75+-0.13 | vturb : 1.4+-0.06 |
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 | 1 | ... | ... | <0.92 | <-2.34 | <0.71 | <0.92 | Li I |
CH | 1 | ... | 0.52+-0.25 | 5.91 | -2.52 | 0.53+-0.25 | 5.91 | CH |
CN | 1 | ... | <1.01 | <5.80 | <-2.03 | <1.02 | <5.80 | CN |
Na I | 1 | ... | 0.07+-0.27 | 3.26 | -2.98 | 0.07+-0.27 | 3.26 | Na I |
Mg I | 6 | ... | 0.59+-0.16 | 5.14 | -2.46 | 0.59+-0.16 | 5.14 | Mg I |
Al I | 1 | ... | -0.44+-0.30 | 2.96 | -3.49 | -0.44+-0.30 | 2.96 | Al I |
Ca I | 10 | ... | 0.41+-0.17 | 3.70 | -2.64 | 0.41+-0.17 | 3.70 | Ca I |
Sc II | 2 | ... | -0.10+-0.15 | 0.01 | -3.14 | -0.09+-0.15 | 0.01 | Sc II |
Ti I | 14 | ... | 0.27+-0.14 | 2.17 | -2.78 | 0.27+-0.14 | 2.17 | Ti I |
Ti II | 18 | ... | 0.32+-0.15 | 2.23 | -2.72 | 0.33+-0.15 | 2.23 | Ti II |
V I | 1 | ... | -0.01+-0.17 | 0.87 | -3.06 | -0.01+-0.17 | 0.87 | V I |
V II | 2 | ... | 0.13+-0.24 | 1.02 | -2.91 | 0.14+-0.24 | 1.02 | V II |
Cr I | 5 | ... | -0.05+-0.14 | 2.53 | -3.11 | -0.06+-0.14 | 2.53 | Cr I |
Cr II | 2 | ... | 0.20+-0.17 | 2.79 | -2.85 | 0.20+-0.17 | 2.79 | Cr II |
Mn I | 1 | ... | -0.20+-0.14 | 2.18 | -3.25 | -0.20+-0.14 | 2.18 | Mn I |
Fe I | 99 | -3.05+-0.14 | ... | 4.45 | -3.05+-0.14 | ... | 4.45 | Fe I |
Fe II | 8 | -3.04+-0.15 | ... | 4.46 | -3.04+-0.15 | ... | 4.46 | Fe II |
Co I | 2 | ... | 0.03+-0.21 | 1.97 | -3.02 | 0.03+-0.21 | 1.97 | Co I |
Ni I | 5 | ... | 0.24+-0.19 | 3.41 | -2.81 | 0.24+-0.19 | 3.41 | Ni I |
Zn I | 2 | ... | 0.67+-0.14 | 2.17 | -2.39 | 0.66+-0.14 | 2.17 | Zn I |
Sr II | 2 | ... | -0.15+-0.25 | -0.32 | -3.19 | -0.14+-0.25 | -0.32 | Sr II |
Y II | 1 | ... | -0.85+-0.18 | -1.68 | -3.89 | -0.84+-0.18 | -1.68 | Y II |
Zr II | 3 | ... | 0.11+-0.17 | -0.36 | -2.94 | 0.11+-0.17 | -0.36 | Zr II |
Nb II | 1 | ... | <1.97 | <0.39 | <-1.07 | <1.98 | <0.39 | Nb II |
Mo I | 1 | ... | <1.08 | <-0.09 | <-1.97 | <1.08 | <-0.09 | Mo I |
Ba II | 3 | ... | -1.00+-0.16 | -1.86 | -4.04 | -0.99+-0.16 | -1.86 | Ba II |
La II | 2 | ... | <0.09 | <-1.85 | <-2.95 | <0.10 | <-1.85 | La II |
Ce II | 4 | ... | <0.19 | <-1.27 | <-2.85 | <0.20 | <-1.27 | Ce II |
Pr II | 3 | ... | <0.58 | <-1.74 | <-2.46 | <0.59 | <-1.74 | Pr II |
Nd II | 5 | ... | <0.08 | <-1.54 | <-2.96 | <0.09 | <-1.54 | Nd II |
Sm II | 2 | ... | <0.58 | <-1.50 | <-2.46 | <0.59 | <-1.50 | Sm II |
Eu II | 4 | ... | <-0.12 | <-2.64 | <-3.16 | <-0.11 | <-2.64 | Eu II |
Gd II | 2 | ... | <1.07 | <-0.90 | <-1.97 | <1.08 | <-0.90 | Gd II |
Tb II | 3 | ... | <1.21 | <-1.53 | <-1.85 | <1.20 | <-1.53 | Tb II |
Dy II | 2 | ... | <0.84 | <-1.10 | <-2.20 | <0.85 | <-1.10 | Dy II |
Er II | 1 | ... | <1.28 | <-0.84 | <-1.76 | <1.29 | <-0.84 | Er II |
Tm II | 1 | ... | <1.13 | <-1.81 | <-1.93 | <1.12 | <-1.81 | Tm II |
Yb II | 1 | ... | <-0.15 | <-2.27 | <-3.19 | <-0.14 | <-2.27 | Yb II |
Hf II | 1 | ... | <1.59 | <-0.60 | <-1.31 | <1.74 | <-0.60 | Hf II |
Pb I | 1 | ... | <1.41 | <0.40 | <-1.64 | <1.41 | <0.40 | Pb I |
Binary Parameters
Binarity | Negative |
Vrad | 174.8 |
Position
Right Ascension : 02 15 42.70 | Declination : -53 59 56.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2003-10-09-08:05 | 2452921.839 | MIKELCO | 41000 | 70-200 | 7200 | 174.8 |