| Title | An extremely primitive star in the Galactic halo |
| ADS | E.Caffau et al.,Nature, 477, 67, 2011 |
| Authors | E. Caffau, P. Bonifacio, P. Francois, L. Sbordone, L. Monaco, M. Spite, F. Spite, N/A. Ludwig,Hans-G, R. Cayrel, S. Zaggia, F. Hammer, S. Randich, P. Molaro, V. Hill |
| Object | Comment | S | O |
|---|---|---|---|
| SDSSJ102915+172927 | N/A | S | O |
S: Find this object in SIMBAD
O: Find this object in Other papers
| Teff : 5811 | log g : 4.0+-0.2 | vturb : 1.5 |
| Element | Nline | [X/H] | [X/Fe] | log-e |
|---|---|---|---|---|
| Li | ... | <-0.06 | <4.67 | <1.1 |
| C | ... | <-3.8 | <0.93 | <4.75 |
| N | ... | <-4.1 | <0.63 | <3.87 |
| Mg I | ... | -4.68+-0.08 | 0.05+-0.08 | 2.90+-0.08 |
| Si I | ... | -4.27+-0.10 | 0.46+-0.1 | 3.28+-0.1 |
| Ca I | ... | -4.72+-0.10 | 0.01+-0.1 | 1.64+-0.1 |
| Ca II | ... | -4.71+-0.11 | 0.02+-0.11 | 1.65+-0.11 |
| Ti II | ... | -4.75+-0.11 | -0.02+-0.11 | 0.27+-0.11 |
| Fe I | ... | -4.73+-0.13 | ... | 2.77+-0.13 |
| Ni I | ... | -4.55+-0.14 | 0.18+-0.14 | 1.70+-0.14 |
| Sr II | ... | <-5.1 | <-0.37 | <-2.13 |
| Observation Date | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| N/A | VLTXSH | N/A | N/A | N/A | -34.5+-1.0 |
| Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A | Declination : 172928 | Right Ascension : 102915.15 |