| Title | A New Type of Extremely Metal-poor Star |
| ADS | J.G.Cohen et al.,ApJ, 659, L161, 2007 |
| Authors | J. G. Cohen, A. McWilliam, N. Christlieb, S. Shectman, I. Thompson, J. Melendez, L. Wisotzki, D. Reimers |
| Object | Comment | S | O |
|---|---|---|---|
| HE1424-0241 | N/A | S | O |
S: Find this object in SIMBAD
O: Find this object in Other papers
| Teff : 5195 | log g : 2.50 |
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|---|---|---|---|
| CH | ... | <-3.33 | <0.62 | <5.26 |
| NH | ... | <-2.83 | <1.12 | <5.10 |
| Na I | ... | -3.80+-0.07 | 0.15+-0.07 | 2.52+-0.07 |
| Mg I | ... | -3.51+-0.12 | 0.44+-0.12 | 4.03+-0.12 |
| Al I | ... | -4.73+-0.15 | -0.78+-0.15 | 1.75+-0.15 |
| Si I | ... | -4.96 | -1.01 | 2.59 |
| Ca I | ... | -4.52 | -0.58 | 1.84 |
| Ca II | ... | -4.26 | -0.31 | 2.10 |
| Sc II | ... | -4.05 | -0.10 | -0.95 |
| Ti II | ... | -4.14+-0.17 | -0.17+-0.17 | 0.85+-0.17 |
| V II | ... | <-3.36 | <0.59 | <0.64 |
| Cr I | ... | -4.34+-0.09 | -0.38+-0.09 | 1.33+-0.09 |
| Mn I | ... | -3.80+-0.02 | 0.15+-0.02 | 1.59+-0.02 |
| Mn II | ... | -3.70+-0.13 | 0.25+-0.13 | 1.69+-0.13 |
| Fe I | ... | -3.96+-0.18 | 0.00+-0.18 | 3.49+-0.18 |
| Fe II | ... | -3.87+-0.22 | 0.09+-0.22 | 3.58+-0.22 |
| Co I | ... | -2.94+-0.21 | 1.01+-0.21 | 1.98+-0.21 |
| Ni I | ... | -3.73+-0.01 | 0.22+-0.01 | 2.52+-0.01 |
| Cu I | ... | -4.62 | -0.67 | -0.41 |
| Sr II | ... | <-5.65 | <-1.70 | <-2.75 |
| Y II | ... | <-3.70 | <0.25 | <-1.46 |
| Ba II | ... | -4.87 | -0.92 | -2.74 |
| Eu II | ... | <-2.46 | <1.49 | <-1.95 |
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| 2004-05 | N/A | KECKHIRES | 35000 | N/A | 3600 | N/A |
| 2006-04 | N/A | KECKHIRES | 35000 | N/A | 6000 | N/A |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : -025428 | Right Ascension : 142640.3 |
| V : 15.45+-0.03 |