BPS CS22958-042: 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 |
Get more information of this paper.
Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
---|---|---|---|---|---|---|
2001-11-05 | 2452218.6900217 | VLT | 43000 | 48 | 3600 | +165.21 |
2001-11-05 | 2452218.7360571 | VLT | 43000 | 35 | 3600 | +162.51 |
Galactic Longitude (l) | N/A |
Galactic Latitude (b) | N/A |
Declination | 571707 |
Right Ascension | 020107.5 |
Vrad | +162.51 |
V | 14.516 |
B-V | 0.479 |
V-R | 0.294 |
J-H | 0.227 |
J-K | 0.302 |
V-K | 1.303 |
EB-V | 0.025 |
Teff | 6250 |
log g | 3.50 |
vturb | 1.5 |
Element | Nline | [X/H] | [X/Fe] | log-e |
---|---|---|---|---|
Li | ... | <-0.56 | <2.29 | <0.6 |
CH | ... | 0.15+-0.01 | +3.15+-0.12 | 8.70+-0.01 |
C2 | ... | 0.15+-0.01 | +3.15+-0.12 | 8.70+-0.01 |
CN | ... | -0.87+-0.01 | +2.15+-0.11 | 7.10+-0.01 |
NH | ... | -0.75+-0.12 | +2.10+-0.12 | 7.05+-0.02 |
O | ... | -1.70+-0.05 | +1.35+-0.11 | 7.17+-0.05 |
Na | ... | -0.03+-0.10 | +2.82+-0.15 | 6.30+-0.10 |
Mg I | ... | -2.53+-0.04 | +0.32+-0.15 | 5.05+-0.04 |
Al | ... | -3.70 | -0.85+-0.10 | 2.77 |
Si I | ... | -2.70 | +0.15+-0.10 | 4.85 |
Ca I | ... | -2.49+-0.06 | +0.36+-0.15 | 3.87+-0.06 |
Sc II | ... | -2.80+-0.05 | +0.05+-0.11 | 0.37+-0.05 |
Ti I | ... | -2.42 | +0.43+-0.10 | 2.60 |
Ti II | ... | -2.66+-0.07 | +0.19+-0.14 | 2.36+-0.07 |
V I | ... | -2.90 | -0.05+-0.10 | 1.10 |
Cr I | ... | -3.00+-0.04 | -0.15+-0.11 | 2.67+-0.04 |
Mn I | ... | -3.06+-0.05 | -0.21+-0.14 | 2.33+-0.05 |
Fe I | ... | -2.85+-0.04 | +0.00+-0.10 | 4.65+-0.04 |
Fe II | ... | -2.93+-0.09 | -0.08+-0.12 | 4.57+-0.09 |
Co I | ... | -2.65+-0.18 | +0.20+-0.18 | 2.27+-0.14 |
Ni I | ... | -2.94+-0.16 | -0.09+-0.16 | 3.31+-0.10 |
Sr II | ... | -3.05+-0.11 | -0.20+-0.11 | -0.53 |
Ba II | ... | <-3.38+-0.16 | <-0.53+-0.16 | <-1.40 |
12C/13C | 9.0+-2.0 |
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 |
Get more information of this paper.
Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
---|---|---|---|---|---|---|
2003-09-06 | N/A | RCCTIO | N/A | 42 | 4800 | N/A |
Galactic Longitude (l) | N/A |
Galactic Latitude (b) | N/A |
Declination | N/A |
Right Ascension | N/A |
V | 14.516 |
B-V | 0.479 |
V-R | 0.294 |
V-K | 1.303 |
EB-V | 0.02 |
Teff | 6224 |
log g | 3.86 |
vturb | 1.44 |
Element | Nline | [X/H] | [X/Fe] | log-e |
---|---|---|---|---|
C | ... | -0.25+-0.30 | +2.40+-0.30 | 8.31+-0.30 |
N | ... | <-0.76+-0.32 | <1.89+-0.32 | <7.29+-0.31 |
Fe | ... | -2.65+-0.24 | ... | 4.85+-0.24 |