BD+17_1524
taken from 1 paper(s):
/R.G.Gratton et al.(2003)/
R.G.Gratton et al.,AAP, 404, 187, 2003 (A0135,ADS)
Abundances for metal-poor stars with accurate parallaxes
Stellar Parameters
| Teff : 5079 | log g : 4.3 | vturb : 0.3 |
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 |
|---|
| O I | N/A | ... | 0.37+-0.069 | ... | 0.00+-0.069 | 0.45+-0.069 | 8.69+-0.069 | O I |
| Na I | N/A | ... | 0.14+-0.054 | ... | -0.33+-0.054 | 0.12+-0.054 | 5.91+-0.054 | Na I |
| Mg I | N/A | ... | 0.37+-0.055 | ... | -0.24+-0.055 | 0.21+-0.055 | 7.36+-0.055 | Mg I |
| Si I | N/A | ... | 0.16+-0.048 | ... | -0.26+-0.048 | 0.19+-0.048 | 7.25+-0.048 | Si I |
| Ca I | N/A | ... | 0.15+-0.033 | ... | -0.36+-0.033 | 0.09+-0.033 | 5.98+-0.033 | Ca I |
| Ti I | N/A | ... | 0.21+-0.03 | ... | -0.11+-0.03 | 0.34+-0.03 | 4.84+-0.03 | Ti I |
| Ti II | N/A | ... | 0.23+-0.048 | ... | -0.09+-0.048 | 0.36+-0.048 | 4.86+-0.048 | Ti II |
| Fe I | N/A | -0.44+-0.051 | ... | ... | -0.45+-0.051 | ... | 7.05+-0.051 | Fe I |
| Fe II | N/A | -0.39+-0.066 | ... | ... | -0.40+-0.066 | ... | 7.10+-0.066 | Fe II |
Binary Parameters
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | KECKNIRSPEC | 50000 | >100 | N/A | -3.7 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : 172602 | Right Ascension : 71317 |