| 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 |
S: Find this object in SIMBAD
O: Find this object in Other papers
| Name | Comment | SIMBAD | Object |
|---|---|---|---|
| HE1424-0241 | N/A | S | O |
| Teff : 5195 | log g : 2.50 |
| Original Data | Converted Data Asplund et al. (2009) | |||||||
|---|---|---|---|---|---|---|---|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
| CH | CH | <-3.33 | <0.62 | <5.26 | <-3.17 | <0.84 | <5.26 | CH |
| NH | NH | <-2.83 | <1.12 | <5.10 | <-2.73 | <1.28 | <5.10 | NH |
| Na I | 2 | -3.80+-0.07 | 0.15+-0.07 | 2.52+-0.07 | -3.72+-0.07 | 0.29+-0.07 | 2.52+-0.07 | Na I |
| Mg I | 3 | -3.51+-0.12 | 0.44+-0.12 | 4.03+-0.12 | -3.57+-0.12 | 0.44+-0.12 | 4.03+-0.12 | Mg I |
| Al I | 2 | -4.73+-0.15 | -0.78+-0.15 | 1.75+-0.15 | -4.70+-0.15 | -0.69+-0.15 | 1.75+-0.15 | Al I |
| Si I | 1 | -4.96 | -1.01 | 2.59 | -4.92 | -0.91 | 2.59 | Si I |
| Ca I | 1 | -4.52 | -0.58 | 1.84 | -4.50 | -0.49 | 1.84 | Ca I |
| Ca II | 1 | -4.26 | -0.31 | 2.10 | -4.24 | -0.23 | 2.10 | Ca II |
| Sc II | 1 | -4.05 | -0.10 | -0.95 | -4.10 | -0.09 | -0.95 | Sc II |
| Ti II | 8 | -4.14+-0.17 | -0.17+-0.17 | 0.85+-0.17 | -4.10+-0.17 | -0.09+-0.17 | 0.85+-0.17 | Ti II |
| V II | 1 | <-3.36 | <0.59 | <0.64 | <-3.29 | <0.72 | <0.64 | V II |
| Cr I | 5 | -4.34+-0.09 | -0.38+-0.09 | 1.33+-0.09 | -4.31+-0.09 | -0.30+-0.09 | 1.33+-0.09 | Cr I |
| Mn I | 2 | -3.80+-0.02 | 0.15+-0.02 | 1.59+-0.02 | -3.84+-0.02 | 0.17+-0.02 | 1.59+-0.02 | Mn I |
| Mn II | 2 | -3.70+-0.13 | 0.25+-0.13 | 1.69+-0.13 | -3.74+-0.13 | 0.27+-0.13 | 1.69+-0.13 | Mn II |
| Fe I | 39 | -3.96+-0.18 | 0.00+-0.18 | 3.49+-0.18 | -4.01+-0.18 | 0.00+-0.18 | 3.49+-0.18 | Fe I |
| Fe II | 4 | -3.87+-0.22 | 0.09+-0.22 | 3.58+-0.22 | -3.92+-0.22 | 0.09+-0.22 | 3.58+-0.22 | Fe II |
| Co I | 4 | -2.94+-0.21 | 1.01+-0.21 | 1.98+-0.21 | -3.01+-0.21 | 1.00+-0.21 | 1.98+-0.21 | Co I |
| Ni I | 2 | -3.73+-0.01 | 0.22+-0.01 | 2.52+-0.01 | -3.70+-0.01 | 0.31+-0.01 | 2.52+-0.01 | Ni I |
| Cu I | 1 | -4.62 | -0.67 | -0.41 | -4.60 | -0.59 | -0.41 | Cu I |
| Sr II | 2 | <-5.65 | <-1.70 | <-2.75 | <-5.62 | <-1.61 | <-2.75 | Sr II |
| Y II | 2 | <-3.70 | <0.25 | <-1.46 | <-3.67 | <0.34 | <-1.46 | Y II |
| Ba II | 1 | -4.87 | -0.92 | -2.74 | -4.92 | -0.91 | -2.74 | Ba II |
| Eu II | 1 | <-2.46 | <1.49 | <-1.95 | <-2.47 | <1.54 | <-1.95 | Eu II |
| Right Ascension : 14 26 40.30 | Declination : -02 54 28.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
| Date of Observation | 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 |