BS17570-090
taken from 2 paper(s):
/D.K.Lai et al.(2004)/
/D.K.Lai et al.(2007)/
D.K.Lai et al.,AJ, 128, 2402, 2004 (A0022,ADS)
ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES
Stellar Parameters
| Teff : 5924 | log g : 3.66 | vturb : -2.50 |
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 | N/A | ... | -0.19 | ... | -2.81 | -0.21 | 4.79 | Mg I |
| Ti II | N/A | ... | -0.01 | ... | -2.54 | 0.06 | 2.41 | Ti II |
| Fe I | N/A | -2.60 | ... | ... | -2.60 | ... | 4.90 | Fe I |
| Ba II | N/A | ... | <-1.72 | ... | <-4.37 | <-1.77 | <-2.19 | Ba II |
Binary Parameters
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2001-01-21 | N/A | KECKII | 7000 | 150 | 600 | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |
D.K.Lai et al.,ApJ, 667, 1185, 2007 (A0128,ADS)
Carbon and Strontium Abundances of Metal-poor Stars
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 | ... | <0.30 | ... | <-2.17 | <0.26 | <6.26 | C |
| Fe | N/A | -2.60 | ... | ... | -2.43 | ... | 5.07 | Fe |
| Sr | N/A | ... | -0.80 | ... | -3.37 | -0.94 | -0.50 | Sr |
| Ba | N/A | ... | <-1.72 | ... | <-4.37 | <-1.94 | <-2.19 | Ba |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | KECKII | 7000 | N/A | N/A | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : N/A | Right Ascension : N/A |