HE0218-2738
taken from 4 paper(s):
/E.Carretta et al.(2002)/
/J.G.Cohen et al.(2002)/
/J.G.Cohen et al.(2004)/
/J.G.Cohen et al.(2013)/
E.Carretta et al.,AJ, 124, 481, 2002 (A0028,ADS)
STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. II. ABUNDANCE ANALYSIS
Stellar Parameters
| Teff : 6550 | log g : 4.30 | vturb : 0.84 |
Chemical Abundances
| | 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 | 2 | ... | 0.06+-0.03 | ... | -3.48+-0.03 | 0.09+-0.03 | 4.12+-0.03 | Mg I |
| Al I | 1 | ... | -0.41 | ... | -3.91 | -0.34 | 2.54 | Al I |
| Si I | 1 | ... | -0.13 | ... | -3.61 | -0.04 | 3.90 | Si I |
| Ca I | 1 | ... | 0.34 | ... | -3.16 | 0.41 | 3.18 | Ca I |
| Sc II | 1 | ... | 0.62 | ... | -2.96 | 0.61 | 0.19 | Sc II |
| Ti II | 9 | ... | 0.62+-0.12 | ... | -2.86+-0.12 | 0.71+-0.12 | 2.09+-0.12 | Ti II |
| Cr I | 2 | ... | -0.16+-0.14 | ... | -3.65+-0.14 | -0.08+-0.14 | 1.99+-0.14 | Cr I |
| Fe I | 19 | -3.52+-0.14 | ... | ... | -3.57+-0.14 | ... | 3.93+-0.14 | Fe I |
| Sr II | 1 | ... | -0.43 | ... | -3.92 | -0.35 | -1.05 | Sr II |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2000-09 | N/A | KECKHIRES | 45000 | N/A | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
J.G.Cohen et al.,AJ, 124, 470, 2002 (A0029,ADS)
STELLAR ARCHAEOLOGY: A KECK PILOT PROGRAM ON EXTREMELY METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. I. STELLAR PARAMETERS
Stellar Parameters
Binary Parameters
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2000-09 | N/A | KECKHIRES | 45000 | 115 | 7200 | |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : -272440 | Right Ascension : 022104.0 |
J.G.Cohen et al.,ApJ, 612, 1107, 2004 (A0036,ADS)
Abundances In Very Metal-Poor Dwarf Stars
Stellar Parameters
| Teff : 6550 | log g : 4.3 | vturb : 0.8 |
Binary Parameters
Observing Log
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
J.G.Cohen et al.,ApJ, 778, 56, 2013 (A0283,ADS)
Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2
Stellar Parameters
| Teff : 6550 | log g : 4.3 | vturb : 0.8 |
Observing Log
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : -272440 | Right Ascension : 022104.0 |