CS22876-032B
/J.E.Norris et al.(2000)/ /J.I.GonzalezHernandez et al.(2008)/
Extremely Metal-poor Stars. VII. The Most Metal-poor Dwarf, CS 22876-032
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 |
First stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876-032
Teff : 5900 | log g : 4.6 | vturb : 1.5 |
Original Data | Converted Data Asplund et al. (2009) | |||||||
---|---|---|---|---|---|---|---|---|
Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
Li I | 1 | ... | ... | 1.75+-0.04 | -1.51+-0.04 | 2.06+-0.04 | 1.75+-0.04 | Li I |
O | 9 | -1.75+-0.09 | 1.81+-0.09 | ... | -1.72+-0.09 | 1.85+-0.09 | 6.97+-0.09 | O |
Na I | 1 | -3.79+-0.05 | -0.22+-0.05 | ... | -3.70+-0.05 | -0.13+-0.05 | 2.54+-0.05 | Na I |
Mg I | 9 | -3.14+-0.24 | 0.43+-0.24 | ... | -3.16+-0.24 | 0.41+-0.24 | 4.44+-0.24 | Mg I |
Al I | 2 | -3.75+-0.22 | -0.18+-0.22 | ... | -3.73+-0.22 | -0.16+-0.22 | 2.72+-0.22 | Al I |
Si I | 1 | -3.48+-0.04 | 0.09+-0.04 | ... | -3.44+-0.04 | 0.13+-0.04 | 4.07+-0.04 | Si I |
Ca I | 1 | -3.68+-0.04 | -0.11+-0.04 | ... | -3.66+-0.04 | -0.09+-0.04 | 2.68+-0.04 | Ca I |
Ca II | 2 | -3.81+-0.11 | -0.54+-0.11 | ... | -3.79+-0.11 | -0.22+-0.11 | 2.55+-0.11 | Ca II |
Sc II | 2 | -3.57+-0.11 | -0.30+-0.11 | ... | -3.55+-0.11 | 0.02+-0.11 | -0.40+-0.11 | Sc II |
Ti II | 12 | -3.45+-0.23 | -0.18+-0.23 | ... | -3.38+-0.23 | 0.19+-0.23 | 1.57+-0.23 | Ti II |
Cr I | 4 | -3.92+-0.35 | -0.35+-0.35 | ... | -3.89+-0.35 | -0.32+-0.35 | 1.75+-0.35 | Cr I |
Cr II | 1 | -3.30+-0.30 | -0.03+-0.30 | ... | -3.27+-0.30 | 0.30+-0.30 | 2.37+-0.30 | Cr II |
Mn II | 1 | -3.86+-0.37 | -0.59+-0.37 | ... | -3.90+-0.37 | -0.33+-0.37 | 1.53+-0.37 | Mn II |
Fe I | 37 | -3.57+-0.21 | ... | ... | -3.57+-0.21 | ... | 3.93+-0.21 | Fe I |
Fe II | 9 | -3.27+-0.31 | ... | ... | -3.27+-0.31 | ... | 4.23+-0.31 | Fe II |
Co I | 4 | -2.92+-0.08 | 0.65+-0.08 | ... | -2.99+-0.08 | 0.58+-0.08 | 2.00+-0.08 | Co I |
Ni I | 12 | -3.45+-0.16 | 0.12+-0.16 | ... | -3.42+-0.16 | 0.15+-0.16 | 2.80+-0.16 | Ni I |
Binarity | Positive |
Vrad | -93.11+-0.13 |
Period | 424.81 |
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 |
---|---|---|---|---|---|---|
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 |