| Title | First stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876-032 |
| ADS | J.I.GonzalezHernandez et al.,AAP, 480, 233, 2008 |
| Authors | J. I. GonzalezHernandez, P. Bonifacio, H. -G. Ludwig, E. Caffau, M. Spite, F. Spite, R. Cayrel, P. Molaro, V. Hill, P. Francois, B. Plez, T. C. Beers, T. Sivarani, J. Andersen, B. Barbuy, E. Depagne, B. Nordstrom, F. Primas |
| Object | Comment | S | O |
|---|---|---|---|
| BPS CS22876-032A | N/A | S | O |
| BPS CS22876-032B | N/A | S | O |
S: Find this object in SIMBAD
O: Find this object in Other papers
| Teff : 6500 | log g : 4.4 | vturb : 1.5 |
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|---|---|---|---|
| Li I | ... | 1.06+-0.01 | 4.72+-0.01 | 2.22+-0.01 |
| O | ... | -1.52+-0.04 | 2.14+-0.04 | 7.35+-0.04 |
| Na I | ... | -3.69+-0.03 | -0.03+-0.03 | 2.64+-0.03 |
| Mg I | ... | -3.11+-0.18 | 0.55+-0.18 | 4.47+-0.18 |
| Al I | ... | -3.89+-0.22 | -0.23+-0.22 | 2.58+-0.22 |
| Si I | ... | -3.75+-0.02 | -0.09+-0.02 | 3.80+-0.02 |
| Ca I | ... | -3.65+-0.02 | 0.01+-0.02 | 2.71+-0.02 |
| Ca II | ... | -3.68+-0.14 | -0.18+-0.14 | 2.68+-0.14 |
| Sc II | ... | -3.73+-0.18 | -0.22+-0.18 | -0.56+-0.18 |
| Ti II | ... | -3.25+-0.34 | 0.25+-0.34 | 1.77+-0.34 |
| Cr I | ... | -3.79+-0.12 | -0.13+-0.12 | 1.88+-0.12 |
| Cr II | ... | -3.38+-0.10 | 0.12+-0.10 | 2.29+-0.1 |
| Mn II | ... | -4.01+-0.17 | -0.51+-0.17 | 1.38+-0.17 |
| Fe I | ... | -3.66+-0.12 | ... | 3.84+-0.12 |
| Fe II | ... | -3.51+-0.25 | ... | 3.99+-0.25 |
| Co I | ... | -2.91+-0.07 | 0.75+-0.07 | 2.01+-0.07 |
| Ni I | ... | -3.49+-0.18 | 0.17+-0.18 | 2.76+-0.18 |
| Binarity | Positive |
| Vrad | -93.11+-0.13 |
| Period | 424.81 |
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| 2000-10-17 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-10-20 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-7-19 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-7-20 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-8-03 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-8-11 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2001-11-07 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2001-11-08 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2001-11-09 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
| V : 12.84+-0.01 | B-V : 0.397+-0.02 | U-B : -0.255+-0.01 | J : 11.503+-0.035 | K : 11.800+-0.041 | EB-V : 0.00+-0.01 |
| Teff : 5900 | log g : 4.6 | vturb : 1.5 |
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|---|---|---|---|
| Li I | ... | 0.59+-0.04 | 4.16+-0.04 | 1.75+-0.04 |
| O | ... | -1.75+-0.09 | 1.81+-0.09 | 7.12+-0.09 |
| Na I | ... | -3.79+-0.05 | -0.22+-0.05 | 2.54+-0.05 |
| Mg I | ... | -3.14+-0.24 | 0.43+-0.24 | 4.44+-0.24 |
| Al I | ... | -3.75+-0.22 | -0.18+-0.22 | 2.72+-0.22 |
| Si I | ... | -3.48+-0.04 | 0.09+-0.04 | 4.07+-0.04 |
| Ca I | ... | -3.68+-0.04 | -0.11+-0.04 | 2.68+-0.04 |
| Ca II | ... | -3.81+-0.11 | -0.54+-0.11 | 2.55+-0.11 |
| Sc II | ... | -3.57+-0.11 | -0.30+-0.11 | -0.40+-0.11 |
| Ti II | ... | -3.45+-0.23 | -0.18+-0.23 | 1.57+-0.23 |
| Cr I | ... | -3.92+-0.35 | -0.35+-0.35 | 1.75+-0.35 |
| Cr II | ... | -3.30+-0.30 | -0.03+-0.30 | 2.37+-0.3 |
| Mn II | ... | -3.86+-0.37 | -0.59+-0.37 | 1.53+-0.37 |
| Fe I | ... | -3.57+-0.21 | ... | 3.93+-0.21 |
| Fe II | ... | -3.27+-0.31 | ... | 4.23+-0.31 |
| Co I | ... | -2.92+-0.08 | 0.65+-0.08 | 2.00+-0.08 |
| Ni I | ... | -3.45+-0.16 | 0.12+-0.16 | 2.80+-0.16 |
| Binarity | Positive |
| Vrad | -93.11+-0.13 |
| Period | 424.81 |
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| 2000-10-17 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-10-20 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-7-19 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-7-20 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-8-03 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2000-8-11 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2001-11-07 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2001-11-08 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| 2001-11-09 | HJD-2,400,000 | VLT | 43000 | N/A | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
| V : 12.84+-0.01 | B-V : 0.397+-0.02 | U-B : -0.255+-0.01 | J : 11.503+-0.035 | K : 11.800+-0.041 | EB-V : 0.00+-0.01 |