G69-18
taken from 1 paper(s):
/J.Melendez and J. G. Cohen(2007)/
J.Melendez et al.,ApJ, 659, L25, 2007 (A0115,ADS)
Magnesium Isotopes in Metal-poor Dwarfs:The Rise of AGB Stars and the Formation Timescale of the Galactic Halo
Stellar Parameters
| Teff : 4480 | log g : 4.75 | 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 |
|---|
| Fe | N/A | -2.60 | ... | ... | -2.60 | ... | 4.90 | Fe |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | KECKHIRES | 100000 | 90-280 | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |