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 |
S: Find this object in SIMBAD
O: Find this object in Other papers
Name | Comment | SIMBAD | Object |
---|---|---|---|
SDSS J102915+172927 | N/A | S | O |
Teff : 5811 | log g : 4.0+-0.2 | vturb : 1.5 |
Original Data | Converted Data Asplund et al. (2009) | |||||||
---|---|---|---|---|---|---|---|---|
Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
Li | N/A | ... | ... | <1.1 | <-2.16 | <2.55 | <1.1 | Li |
C | N/A | <-3.8 | ... | ... | <-3.73 | <0.98 | <4.70 | C |
N | N/A | <-4.1 | ... | ... | <-4.07 | <0.64 | <3.76 | N |
Mg I | 4 | -4.68+-0.08 | ... | ... | -4.74+-0.08 | -0.03+-0.08 | 2.86+-0.08 | Mg I |
Si I | 1 | -4.27+-0.10 | ... | ... | -4.26+-0.10 | 0.45+-0.10 | 3.25+-0.10 | Si I |
Ca I | 1 | -4.72+-0.10 | ... | ... | -4.73+-0.10 | -0.02+-0.10 | 1.61+-0.10 | Ca I |
Ca II | 3 | -4.71+-0.11 | ... | ... | -4.72+-0.11 | -0.01+-0.11 | 1.62+-0.11 | Ca II |
Ti II | 6 | -4.75+-0.11 | ... | ... | -4.80+-0.11 | -0.09+-0.11 | 0.15+-0.11 | Ti II |
Fe I | 44 | -4.73+-0.13 | ... | ... | -4.71+-0.13 | ... | 2.79+-0.13 | Fe I |
Ni I | 10 | -4.55+-0.14 | ... | ... | -4.54+-0.14 | 0.17+-0.14 | 1.68+-0.14 | Ni I |
Sr II | 1 | <-5.1 | ... | ... | <-5.05 | <-0.34 | <-2.18 | Sr II |
Right Ascension : 10 29 15.15 | Declination : +17 29 28.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
---|---|---|---|---|---|---|
N/A | VLTXSH | N/A | N/A | N/A | -34.5+-1.0 |