BPS CS31080-095: found in 2 paper(s).
Labels:/T.Sivarani et al.(2006)/ /J.A.Johnson et al.(2007)/
Title | First stars X. The nature of three unevolved carbon-enhanced metal-poor stars |
ADS | T.Sivarani et al.,AAP, 459, 125, 2006 |
Authors | 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 |
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Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
---|---|---|---|---|---|---|
2000-10-19 | 2451836.757245 | VLT | 43000 | 93 | 2400 | -43.64 |
2000-10-19 | 2451836.7864673 | VLT | 43000 | 72 | 2400 | -43.30 |
2001-10-19 | 2452201.8331806 | VLT | 43000 | 82 | 3600 | -43.76 |
2001-10-20 | 2452202.8388291 | VLT | 43000 | 52 | 3000 | -43.76 |
2001-11-06 | 2452219.7454194 | VLT | 43000 | 92 | 3600 | -43.66 |
2001-11-09 | 2452222.7693614 | VLT | 43000 | 48 | 1000 | -43.34 |
Galactic Longitude (l) | N/A |
Galactic Latitude (b) | N/A |
Declination | 451357 |
Right Ascension | 044421.8 |
Vrad | -43.34 |
V | 12.989 |
B-V | 0.521 |
U-B | -0.291 |
V-R | 0.317 |
J-H | 0.272 |
J-K | 0.350 |
V-K | 1.397 |
EB-V | 0.009 |
Teff | 6050 |
log g | 4.50 |
vturb | 1.0 |
Element | Nline | [X/H] | [X/Fe] | log-e |
---|---|---|---|---|
Li | ... | 0.57+-0.05 | 3.42+-0.05 | 1.73+-0.05 |
CH | ... | -0.30+-0.01 | +2.69+-0.14 | 8.25+-0.01 |
C2 | ... | -0.20+-0.01 | +2.79+-0.14 | 8.35+-0.01 |
CN | ... | -2.32+-0.01 | +0.70+-0.11 | 5.65+-0.01 |
O | ... | -0.70+-0.05 | +2.35+-0.12 | 8.17+-0.05 |
Na | ... | -3.13+-0.05 | -0.28+-0.12 | 3.20+-0.05 |
Mg I | ... | -2.20 | +0.65+-0.12 | 5.38 |
Al | ... | -3.80 | -0.95+-0.11 | 2.67 |
Si I | ... | -2.80 | +0.05+-0.15 | 4.75 |
Ca I | ... | -2.68+-0.05 | +0.17+-0.13 | 3.68+-0.05 |
Sc II | ... | -2.87+-0.05 | -0.02+-0.14 | 0.30+-0.05 |
Ti I | ... | -2.43+-0.03 | +0.42+-0.16 | 2.59+-0.03 |
Ti II | ... | -2.63+-0.01 | +0.22+-0.11 | 2.39+-0.01 |
V I | ... | -2.85+-0.05 | +0.00+-0.12 | 1.15+-0.05 |
Cr I | ... | -2.83+-0.03 | +0.02+-0.12 | 2.84+-0.03 |
Mn I | ... | -3.06+-0.05 | -0.21+-0.13 | 2.33+-0.05 |
Fe I | ... | -2.85+-0.003 | -0.00+-0.10 | 4.65+-0.003 |
Fe II | ... | -2.84+-0.02 | -0.05+-0.11 | 4.66+-0.02 |
Co I | ... | -2.54+-0.11 | +0.31+-0.11 | 2.38+-0.03 |
Ni I | ... | -2.76+-0.16 | +0.09+-0.16 | 3.49+-0.03 |
Zn I | ... | -2.27+-0.15 | +0.58+-0.15 | 2.33+-0.08 |
Sr II | ... | -3.26+-0.12 | -0.41+-0.12 | -0.29+-0.05 |
Y II | ... | -3.20+-0.13 | -0.35+-0.13 | -0.96+-0.05 |
Ba II | ... | -2.08+-0.15 | +0.77+-0.15 | 0.05+-0.05 |
12C/13C | >40 |
Title | A Search for Nitrogen-enhanced Metal-poor Stars |
ADS | J.A.Johnson et al.,ApJ, 658, 1203, 2007 |
Authors | J. A. Johnson, F. Herwig, T. C. Beers, N. Christlieb |
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Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
---|---|---|---|---|---|---|
2004-11-27 | N/A | RCCTIO | N/A | 17 | 4800 | N/A |
Galactic Longitude (l) | N/A |
Galactic Latitude (b) | N/A |
Declination | N/A |
Right Ascension | N/A |
V | 12.989 |
B-V | 0.521 |
U-B | -0.291 |
V-R | 0.317 |
V-K | 1.394 |
EB-V | 0.01 |
Teff | 5972 |
log g | 3.73 |
vturb | 1.44 |
Element | Nline | [X/H] | [X/Fe] | log-e |
---|---|---|---|---|
C | ... | -0.65+-0.30 | +2.10+-0.30 | 7.91+-0.30 |
N | ... | <-1.49+-0.32 | <1.26+-0.32 | <6.56+-0.31 |
Fe | ... | -2.75+-0.24 | ... | 4.75+-0.24 |