BS16945-0054
BS16945-054 in D.K.Lai+,AJ, 128, 2402, 2004
taken from 4 paper(s):
/D.K.Lai et al.(2004)/
/J.G.Cohen et al.(2004)/
/D.K.Lai et al.(2007)/
/J.G.Cohen et al.(2013)/
D.K.Lai et al.,AJ, 128, 2402, 2004 (A0022,ADS)
ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES
Stellar Parameters
| Teff : 5281 | log g : 2.99 | vturb : -2.75 |
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 | ... | 0.58 | ... | ... | ... | Mg I |
| Ca I | N/A | ... | 0.58 | ... | ... | ... | Ca I |
| Ti II | N/A | ... | 0.42 | ... | ... | ... | Ti II |
| Fe I | N/A | -2.93 | ... | ... | ... | ... | Fe I |
| Ba II | N/A | ... | -0.07 | ... | ... | ... | Ba II |
Binary Parameters
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2003-04-23 | 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 |
J.G.Cohen et al.,ApJ, 612, 1107, 2004 (A0036,ADS)
Abundances In Very Metal-Poor Dwarf Stars
Stellar Parameters
| Teff : 6065 | log g : 3.7 | vturb : 1.6 |
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 | 5 | ... | ... | 5.71+-0.21 | -1.89+-0.21 | 0.44+-0.21 | 5.71+-0.21 | Mg I |
| Al I | 2 | ... | ... | 3.87+-0.21 | -2.58+-0.21 | -0.25+-0.21 | 3.87+-0.21 | Al I |
| Si I | 1 | ... | ... | 5.33 | -2.18 | 0.15 | 5.33 | Si I |
| Ca I | 7 | ... | ... | 4.27+-0.11 | -2.07+-0.11 | 0.26+-0.11 | 4.27+-0.11 | Ca I |
| Sc II | 3 | ... | ... | 0.90+-0.01 | -2.25+-0.01 | 0.08+-0.01 | 0.90+-0.01 | Sc II |
| Ti I | 3 | ... | ... | 3.04+-0.07 | -1.91+-0.07 | 0.42+-0.07 | 3.04+-0.07 | Ti I |
| Ti II | 19 | ... | ... | 3.06+-0.18 | -1.89+-0.18 | 0.44+-0.18 | 3.06+-0.18 | Ti II |
| Cr I | 4 | ... | ... | 3.07+-0.09 | -2.57+-0.09 | -0.24+-0.09 | 3.07+-0.09 | Cr I |
| Mn I | 2 | ... | ... | 2.62+-0.35 | -2.81+-0.35 | -0.48+-0.35 | 2.62+-0.35 | Mn I |
| Fe I | 64 | ... | ... | 5.17+-0.16 | -2.33+-0.16 | ... | 5.17+-0.16 | Fe I |
| Fe II | 10 | ... | ... | 5.14+-0.12 | -2.36+-0.12 | ... | 5.14+-0.12 | Fe II |
| Co I | 4 | ... | ... | 2.91+-0.23 | -2.08+-0.23 | 0.25+-0.23 | 2.91+-0.23 | Co I |
| Ni I | 2 | ... | ... | 3.86+-0.08 | -2.36+-0.08 | -0.03+-0.08 | 3.86+-0.08 | Ni I |
| Sr II | 2 | ... | ... | 0.50+-0.06 | -2.37+-0.06 | -0.04+-0.06 | 0.50+-0.06 | Sr II |
| Ba II | 2 | ... | ... | -0.16+-0.03 | -2.34+-0.03 | -0.01+-0.03 | -0.16+-0.03 | Ba II |
| Nd II | 1 | ... | ... | <0.70 | <-0.72 | <1.61 | <0.70 | Nd II |
| Eu II | 2 | ... | ... | <-1.09+-0.01 | <-1.61+-0.01 | <0.72+-0.01 | <-1.09+-0.01 | Eu II |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2002-05 | N/A | KECKHIRES | 45000 | >100 | 2700 | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : +340139 | Right Ascension : 105057.6 |
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 | ... | 0.10+-0.26 | ... | ... | ... | C |
| Fe | N/A | -2.93 | ... | ... | ... | ... | Fe |
| Sr | N/A | ... | -0.32 | ... | ... | ... | Sr |
| Ba | N/A | ... | -0.07 | ... | ... | ... | 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 |
J.G.Cohen et al.,ApJ, 778, 56, 2013 (A0283,ADS)
Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2
Stellar Parameters
| Teff : 6020+-100 | log g : 3.7+-0.25 | vturb : 1.6+-0.2 |
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 | 5 | ... | 0.38+-0.1 | ... | ... | ... | Mg I |
| Al I | 2 | ... | -0.32+-0.21 | ... | ... | ... | Al I |
| Si I | 1 | ... | 0.06 | ... | ... | ... | Si I |
| Ca I | 7 | ... | 0.2+-0.06 | ... | ... | ... | Ca I |
| Sc II | 3 | ... | 0.07+-0.01 | ... | ... | ... | Sc II |
| Ti I | 3 | ... | 0.33+-0.07 | ... | ... | ... | Ti I |
| Ti II | 19 | ... | 0.35+-0.18 | ... | ... | ... | Ti II |
| Cr I | 4 | ... | -0.33+-0.09 | ... | ... | ... | Cr I |
| Mn I | 2 | ... | -0.31+-0.18 | ... | ... | ... | Mn I |
| Fe I | N/A | -2.31+-0.13 | ... | ... | ... | ... | Fe I |
| Fe II | 10 | -2.33+-0.11 | -0.02+-0.11 | ... | ... | Fe II |
| Co I | 4 | ... | 0.26+-0.23 | ... | ... | ... | Co I |
| Ni I | 2 | ... | -0.11+-0.06 | ... | ... | ... | Ni I |
| Sr II | 2 | ... | -0.12+-0.04 | ... | ... | ... | Sr II |
| Ba II | 2 | ... | -0.24+-0.03 | ... | ... | ... | Ba II |
| Nd II | 1 | ... | <1.55 | ... | ... | ... | Nd II |
| Eu II | 2 | ... | <0.89+-0.01 | ... | ... | ... | Eu II |
Binary Parameters
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2002-05 | N/A | KECKHIRES | 36000 | 75 | 4500 | -73.5 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : +340139 | Right Ascension : 105057.6 |