HE1012-1540: found in 1 paper(s).
Labels:| Title | New Extremely Metal-Poor Stars in the Galactic Halo |
| ADS | J.G.Cohen et al.,ApJ, 672, 320, 2008 |
| Authors | J. G. Cohen, N. Christlieb, A. McWilliam, S. Shectman, I. Thompson, J. Melendez, L. Wisotzki, D. Reimers |
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| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| 2452396.82 | KECKHIRES | 46000 | 109 | 3600 | +226.3+-0.4 | |
| 2453489.77 | KECKHIRES | 46000 | 109 | 3600 | +224.8+-0.1 |
| Galactic Longitude (l) | N/A |
| Galactic Latitude (b) | N/A |
| Declination | -155554 |
| Right Ascension | 101453.5 |
| Binarity | Positive |
| V | 14.04 |
| EB-V | 0.070 |
| Teff | 5620 |
| log g | 3.40 |
| vturb | 1.6 |
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|---|---|---|---|
| CH | ... | -1.21 | 2.22 | 7.38 |
| NH | ... | -2.18 | 1.25 | 5.75 |
| OH | ... | -1.18+-0.25 | 2.25+-0.25 | 7.65+-0.25 |
| Na I | ... | -2.22+-0.07 | 1.21+-0.07 | 4.11+-0.07 |
| Mg I | ... | -1.55+-0.44 | 1.88+-0.44 | 5.99+-0.44 |
| Al I | ... | -2.50 | 0.93 | 3.97 |
| Si I | ... | -2.36 | 1.07 | 5.20 |
| Ca I | ... | -2.86+-0.16 | 0.57+-0.16 | 3.50+-0.16 |
| Ca II | ... | -3.77 | -0.34 | 2.59 |
| Ti I | ... | <-2.68 | <0.75 | <2.31 |
| Ti II | ... | -3.46+-0.12 | -0.03+-0.12 | 1.53+-0.12 |
| Cr I | ... | -3.76+-0.09 | -0.33+-0.09 | 1.91+-0.09 |
| Mn I | ... | -3.98+-0.01 | -0.55+-0.01 | 1.41+-0.01 |
| Mn II | ... | -4.43 | -1.00 | 0.96 |
| Fe I | ... | -3.43+-0.17 | ... | 4.02+-0.17 |
| Fe II | ... | -3.71+-0.35 | -0.28+-0.35 | 3.75+-0.35 |
| Co I | ... | -3.24 | 0.19 | 1.68 |
| Ni I | ... | -3.75+-0.09 | -0.32+-0.09 | 2.50+-0.09 |
| Cu I | ... | -4.06 | -0.63 | 0.15 |
| Sr II | ... | -3.97 | -0.54 | -1.07 |
| Ba II | ... | -3.72+-0.02 | -0.29+-0.02 | -1.58+-0.02 |
| Eu II | ... | <-1.81 | <1.62 | <-1.30 |
| Pb I | ... | <-0.50 | <2.93 | <1.46 |