BPS CS22876-032B: found in 2 paper(s).
Labels:/J.E.Norris et al.(2000)/ /J.I.GonzalezHernandez et al.(2008)/
| Title | Extremely Metal-poor Stars. VII. The Most Metal-poor Dwarf, CS 22876-032 |
| ADS | J.E.Norris et al.,ApJ, 540, 456, 2000 |
| Authors | J. E. Norris, T. C. Beers, S. G. Ryan |
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| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| 1989-09-13 | 2447783.2 | ANGLO | 40000 | N/A | N/A | -74.8+-1.0 |
| 1989-10-16 | 2447815.7 | N/A | N/A | -81.2+-1.0 | ||
| 1990-09-27 | 2448162.1 | ANGLO | 40000 | N/A | N/A | -76.2+-1.0 |
| 1992-08-17 | 2448851.8 | N/A | N/A | -107.6+-1.0 | ||
| 1996-08-07 | 2450303.1 | ANGLO | 40000 | N/A | N/A | -76.2+-1.0 |
| 1997-08-23 | 2450683.8 | ANGLO | 40000 | N/A | N/A | -81.3+-1.0 |
| 1998-08-12 | 2451038.3 | ANGLO | 40000 | N/A | N/A | -101.1+-1.0 |
| 1999-09-23 | 2451444.6 | ANGLO | 40000 | N/A | N/A | -105.5+-1.0 |
| Galactic Longitude (l) | N/A |
| Galactic Latitude (b) | N/A |
| Declination | N/A |
| Right Ascension | N/A |
| Binarity | Positive |
| Vrad | -93.36+-0.28 |
| Period | 424.71 |
| B-V | 0.515 |
| V-R | 0.345 |
| R-I | 0.375 |
| Teff | 5600 |
| log g | 4.5 |
| vturb | 1.0 |
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|---|---|---|---|
| Mg I | ... | -3.20+-0.15 | 0.51+-0.15 | 4.38+-0.15 |
| Al I | ... | -4.13+-0.23 | -0.42+-0.23 | 2.34+-0.23 |
| Si I | ... | -3.42+-0.24 | 0.29+-0.24 | 4.13+-0.24 |
| Ca I | ... | -3.72+-0.24 | -0.01+-0.24 | 2.64+-0.24 |
| Ti II | ... | -3.48+-0.23 | 0.23+-0.23 | 1.54+-0.23 |
| Mn I | ... | <-3.97+-0.06 | <-0.26+-0.06 | <1.42+-0.06 |
| Fe I | ... | -3.71 | ... | 3.79 |
| 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 |
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| 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 |
| Binarity | Positive |
| Vrad | -93.11+-0.13 |
| Period | 424.81 |
| 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+-0.30 |
| 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 |