BD+20_2594
taken from 2 paper(s):
/T.Gehren et al.(2006)/
/B.E.Reddy et al.(2006)/
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 : 5900 | log g : 4.30+-0.20 | vturb : 1.4 |
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 | 2 | ... | -0.12 | ... | -0.84 | -0.04 | 5.40 | Na I |
| Mg I | 6 | ... | -0.03 | ... | -0.86 | -0.06 | 6.74 | Mg I |
| Al I | 1 | ... | -0.75 | ... | -1.54 | -0.74 | 4.91 | Al I |
| Fe | N/A | -0.81 | ... | ... | -0.80 | ... | 6.70 | Fe |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | FOCES | 40000 | 200 | 5400 | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : +195340.4 | Right Ascension : 112316.43 |
B.E.Reddy et al.,MNRAS, 367, 1329, 2006 (C0002,ADS)
Elemental abundance survey of the Galactic thick disc
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 |
|---|
| C | N/A | ... | 0.39 | ... | -0.47 | 0.52 | 7.96 | C |
| O | N/A | ... | 0.59 | ... | -0.31 | 0.68 | 8.38 | O |
| Na | N/A | ... | 0.08 | ... | -0.83 | 0.16 | 5.41 | Na |
| Mg | N/A | ... | 0.31 | ... | -0.69 | 0.30 | 6.91 | Mg |
| Al | N/A | ... | 0.21 | ... | -0.90 | 0.09 | 5.55 | Al |
| Si | N/A | ... | 0.18 | ... | -0.65 | 0.34 | 6.86 | Si |
| Ca | N/A | ... | 0.15 | ... | -0.80 | 0.19 | 5.54 | Ca |
| Sc | N/A | ... | -0.01 | ... | -0.86 | 0.13 | 2.29 | Sc |
| Ti | N/A | ... | 0.15 | ... | -0.84 | 0.15 | 4.11 | Ti |
| V | N/A | ... | 0.11 | ... | -0.76 | 0.23 | 3.17 | V |
| Cr | N/A | ... | -0.11 | ... | -1.01 | -0.02 | 4.63 | Cr |
| Mn | N/A | ... | -0.42 | ... | -1.42 | -0.43 | 4.01 | Mn |
| Fe I | N/A | -0.94 | ... | ... | -0.99 | ... | 6.51 | Fe I |
| Co | N/A | ... | -0.02 | ... | -1.02 | -0.03 | 3.97 | Co |
| Ni | N/A | ... | -0.05 | ... | -0.98 | 0.01 | 5.24 | Ni |
| Cu | N/A | ... | -0.34 | ... | -1.28 | -0.29 | 2.91 | Cu |
| Zn | N/A | ... | 0.17 | ... | -0.86 | 0.13 | 3.70 | Zn |
| Y | N/A | ... | 0.09 | ... | -0.94 | 0.05 | 1.27 | Y |
| Ba | N/A | ... | 0.13 | ... | -0.79 | 0.20 | 1.39 | Ba |
| Ce | N/A | ... | 0.12 | ... | -0.82 | 0.17 | 0.76 | Ce |
| Eu | N/A | ... | 0.4 | ... | -0.45 | 0.54 | 0.07 | Eu |
Binary Parameters
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2004-06 | N/A | MCDONALD | 60000 | 100-200 | N/A | 97.2 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |