| 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 |
S: Find this object in SIMBAD
O: Find this object in Other papers
| Name | Comment | SIMBAD | Object |
|---|---|---|---|
| BPS CS22876-032A | N/A | S | O |
| BPS CS22876-032B | N/A | S | O |
| Teff : 6300 | log g : 4.5 | vturb : 1.4 |
| Original Data | Converted Data Asplund et al. (2009) | |||||||
|---|---|---|---|---|---|---|---|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
| Mg I | N/A | ... | 0.50+-0.12 | ... | -3.23+-0.12 | 0.31+-0.12 | 4.37+-0.12 | Mg I |
| Al I | N/A | ... | -0.45+-0.12 | ... | -4.14+-0.12 | -0.60+-0.12 | 2.31+-0.12 | Al I |
| Si I | N/A | ... | -0.21+-0.13 | ... | -3.88+-0.13 | -0.34+-0.13 | 3.63+-0.13 | Si I |
| Ca I | N/A | ... | +0.01+-0.13 | ... | -3.68+-0.13 | -0.14+-0.13 | 2.66+-0.13 | Ca I |
| Sc II | N/A | ... | <0.27+-0.07 | ... | <-3.50+-0.07 | <0.04+-0.07 | <-0.35+-0.07 | Sc II |
| Ti II | N/A | ... | 0.08+-0.11 | ... | -3.59+-0.11 | -0.05+-0.11 | 1.36+-0.11 | Ti II |
| Cr I | N/A | ... | <-0.22+-0.04 | ... | <-3.90+-0.04 | <-0.36+-0.04 | <1.74+-0.04 | Cr I |
| Mn I | N/A | ... | <-0.18+-0.04 | ... | <-3.93+-0.04 | <-0.39+-0.04 | <1.50+-0.04 | Mn I |
| Fe I | N/A | -3.71 | ... | ... | -3.54 | ... | 3.96 | Fe I |
| Co I | N/A | ... | <1.25+-0.04 | ... | <-2.53+-0.04 | <1.01+-0.04 | <2.46+-0.04 | Co I |
| Ni I | N/A | ... | <0.00+-0.04 | ... | <-3.68+-0.04 | <-0.14+-0.04 | <2.54+-0.04 | Ni I |
| Sr II | N/A | ... | <-0.65+-0.05 | ... | <-4.33+-0.05 | <-0.79+-0.05 | <-1.46+-0.05 | Sr II |
| Ba II | N/A | ... | <0.38+-0.07 | ... | <-3.38+-0.07 | <0.16+-0.07 | <-1.20+-0.07 | Ba II |
| Binarity | Positive |
| Vrad | -93.36+-0.28 |
| Period | 424.71 |
| Right Ascension : 00 07 37.50 | Declination : -35 31 17.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| 1985-09-06 | 2446315.1 | N/A | N/A | -83.9+-2.0 | ||
| 1985-12-16 | 2446416.0 | N/A | N/A | -96.8+-2.0 | ||
| 1989-09-13 | 2447783.2 | ANGLO | 40000 | N/A | N/A | -107.8+-1.0 |
| 1989-10-16 | 2447815.7 | N/A | N/A | -103.1+-1.0 | ||
| 1989-12-06 | 2447867.0 | ANGLO | 40000 | N/A | N/A | -93.3+-1.0 |
| 1990-09-27 | 2448162.1 | ANGLO | 40000 | N/A | N/A | -109.6+-1.0 |
| 1991-08-22 | 2448490.5 | ANGLO | 40000 | N/A | N/A | -87.0+-2.0 |
| 1992-08-17 | 2448851.8 | N/A | N/A | -78.6+-1.0 | ||
| 1996-08-07 | 2450303.1 | ANGLO | 40000 | N/A | N/A | -110.2+-1.0 |
| 1997-08-23 | 2450683.8 | ANGLO | 40000 | N/A | N/A | -104.2+-1.0 |
| 1998-08-12 | 2451038.3 | ANGLO | 40000 | N/A | N/A | -87.8+-1.0 |
| 1999-07-29 | 2451388.7 | N/A | N/A | -77.0+-2.0 | ||
| 1999-09-23 | 2451444.6 | ANGLO | 40000 | N/A | N/A | -84.3+-1.0 |
| Teff : 5600 | log g : 4.5 | vturb : 1.0 |
| Original Data | Converted Data Asplund et al. (2009) | |||||||
|---|---|---|---|---|---|---|---|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
| Mg I | N/A | ... | 0.51+-0.15 | ... | -3.22+-0.15 | 0.32+-0.15 | 4.38+-0.15 | Mg I |
| Al I | N/A | ... | -0.42+-0.23 | ... | -4.11+-0.23 | -0.57+-0.23 | 2.34+-0.23 | Al I |
| Si I | N/A | ... | 0.29+-0.24 | ... | -3.38+-0.24 | 0.16+-0.24 | 4.13+-0.24 | Si I |
| Ca I | N/A | ... | -0.01+-0.24 | ... | -3.70+-0.24 | -0.16+-0.24 | 2.64+-0.24 | Ca I |
| Ti II | N/A | ... | 0.23+-0.23 | ... | -3.44+-0.23 | 0.10+-0.23 | 1.51+-0.23 | Ti II |
| Mn I | N/A | ... | <-0.26+-0.06 | ... | <-4.01+-0.06 | <-0.47+-0.06 | <1.42+-0.06 | Mn I |
| Fe I | N/A | -3.71 | ... | ... | -3.54 | ... | 3.96 | Fe I |
| Binarity | Positive |
| Vrad | -93.36+-0.28 |
| Period | 424.71 |
| Right Ascension : 00 07 37.50 | Declination : -35 31 17.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
| Date of Observation | 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 |