G99-21
taken from 3 paper(s):
/T.Gehren et al.(2006)/
/P.E.Nissen and W. J. Schuster(2010)/
/P. E. Nissen and W. J. Schuster(2011)/
T.Gehren et al.,AAP, 451, 1065, 2006 (A0259,ADS)
Na, Mg and Al abundances as a population discriminant for nearby metal-poor stars
Stellar Parameters
| Teff : 5525 | log g : 4.30+-0.30 | vturb : 1.0 |
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 |
|---|
| Na I | 6 | ... | 0.17 | ... | -0.37 | 0.25 | 5.87 | Na I |
| Mg I | 7 | ... | 0.26 | ... | -0.39 | 0.23 | 7.21 | Mg I |
| Al I | 6 | ... | 0.18 | ... | -0.43 | 0.19 | 6.02 | Al I |
| Fe | N/A | -0.63 | ... | ... | -0.62 | ... | 6.88 | Fe |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | FOCES | 40000 | 200 | 3600 | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : +035704.8 | Right Ascension : 053927.29 |
P.E.Nissen et al.,AAP, 511, L10, 2010 (C0012,ADS)
Two distinct halo populations in the solar neighborhood. Evidence from stellar abundance ratios and kinematics
Stellar Parameters
| Teff : 5487 | log g : 4.39 | vturb : 0.9 |
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 |
|---|
| Na | N/A | ... | 0.11 | ... | -0.47 | 0.20 | 5.77 | Na |
| Mg | N/A | ... | 0.33 | ... | -0.36 | 0.31 | 7.24 | Mg |
| Si | N/A | ... | 0.27 | ... | -0.36 | 0.31 | 7.15 | Si |
| Ca | N/A | ... | 0.29 | ... | -0.36 | 0.31 | 5.98 | Ca |
| Ti | N/A | ... | 0.26 | ... | -0.34 | 0.33 | 4.61 | Ti |
| Cr | N/A | ... | 0.05 | ... | -0.59 | 0.08 | 5.05 | Cr |
| Fe | N/A | -0.67 | ... | ... | -0.67 | ... | 6.83 | Fe |
| Ni | N/A | ... | 0.02 | ... | -0.62 | 0.05 | 5.60 | Ni |
Observing Log
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
P. E. Nissen et al.,AAP, 530, A15, 2011 (C0013,ADS)
Two distinct halo populations in the solar neighborhood II. Evidence from stellar abundances of Mn, Cu, Zn, Y, and Ba
Stellar Parameters
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 |
|---|
| Mn | N/A | ... | -0.23 | ... | -0.94 | -0.27 | 4.49 | Mn |
| Fe | N/A | -0.67 | ... | ... | -0.67 | ... | 6.83 | Fe |
| Cu | N/A | ... | -0.04 | ... | -0.69 | -0.02 | 3.50 | Cu |
| Zn | N/A | ... | 0.2 | ... | -0.43 | 0.24 | 4.13 | Zn |
| Y | N/A | ... | -0.03 | ... | -0.67 | -0.00 | 1.54 | Y |
| Ba | N/A | ... | -0.11 | ... | -0.83 | -0.16 | 1.35 | Ba |