HE0242-0732
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 : 6360 | log g : 4.40 | vturb : 0.40 |
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 | 3 | ... | 0.60+-0.32 | ... | -2.62+-0.32 | 0.63+-0.32 | 4.98+-0.32 | Mg I |
| Al I | 1 | ... | -0.65 | ... | -3.83 | -0.58 | 2.62 | Al I |
| Si I | 1 | ... | 0.13 | ... | -3.03 | 0.22 | 4.48 | Si I |
| Ca I | 5 | ... | 0.46+-0.26 | ... | -2.72+-0.26 | 0.53+-0.26 | 3.62+-0.26 | Ca I |
| Sc II | 1 | ... | 0.34 | ... | -2.92 | 0.33 | 0.23 | Sc II |
| Ti II | 3 | ... | 0.25+-0.05 | ... | -2.91+-0.05 | 0.34+-0.05 | 2.04+-0.05 | Ti II |
| Cr I | 2 | ... | -0.37+-0.14 | ... | -3.54+-0.14 | -0.29+-0.14 | 2.10+-0.14 | Cr I |
| Fe I | 26 | -3.20+-0.19 | ... | ... | -3.25+-0.19 | ... | 4.25+-0.19 | Fe I |
| Fe II | 4 | -3.36+-0.13 | ... | ... | -3.41+-0.13 | ... | 4.09+-0.13 | Fe II |
| Sr II | 1 | ... | -1.23 | ... | -4.40 | -1.15 | -1.53 | 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 | 94 | 9300 | |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : -071942 | Right Ascension : 024500.6 |
J.G.Cohen et al.,ApJ, 612, 1107, 2004 (A0036,ADS)
Abundances In Very Metal-Poor Dwarf Stars
Stellar Parameters
| Teff : 6455 | log g : 4.6 | vturb : 0.4 |
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 : 6360 | log g : 4.4 | vturb : 0.4 |
Observing Log
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : -071942 | Right Ascension : 024500.6 |