| Title | Metal-poor Stars Observed with the Magellan Telescope. III. New Extremely and Ultra Metal-poor Stars from SDSS/SEGUE and Insights on the Formation of Ultra Metal-poor Stars |
| ADS | V.M.Placco et al.,ApJ, 809, 136, 2015 |
| Authors | V. M. Placco, A. Frebel, Y. S. Lee, H. R. Jacobson, T. C. Beers, J. M. Pena, C. Chan, A. Heger |
S: Find this object in SIMBAD
O: Find this object in Other papers
| Name | Comment | SIMBAD | Object |
|---|---|---|---|
| SDSS J1204+1201 | N/A | S | O |
| SDSS J1322+0123 | N/A | S | O |
| Teff : 5467+-100 | log g : 3.20+-0.20 | vturb : 1.50+-0.20 |
| Original Data | Converted Data Asplund et al. (2009) | |||||||
|---|---|---|---|---|---|---|---|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
| Li | 1 | ... | ... | 1.70 | -1.56 | 2.78 | 1.70 | Li |
| C | 1 | ... | <+1.45 | <5.54 | <-2.89 | <1.45 | <5.54 | C |
| Na I | 2 | ... | +0.44 | 2.34 | -3.90 | 0.44 | 2.34 | Na I |
| Mg I | 3 | ... | +0.40 | 3.66 | -3.94 | 0.40 | 3.66 | Mg I |
| Si I | 1 | ... | +0.71 | 3.88 | -3.63 | 0.71 | 3.88 | Si I |
| Ca I | 1 | ... | +0.42 | 2.42 | -3.92 | 0.42 | 2.42 | Ca I |
| Ca II | 1 | ... | +0.35 | 2.35 | -3.99 | 0.35 | 2.35 | Ca II |
| Sc II | 1 | ... | +0.41 | -0.78 | -3.93 | 0.41 | -0.78 | Sc II |
| Ti II | 1 | ... | +0.87 | 1.48 | -3.47 | 0.87 | 1.48 | Ti II |
| Cr I | 1 | ... | +0.59 | 1.89 | -3.75 | 0.59 | 1.89 | Cr I |
| Fe I | 21 | -4.34 | ... | 3.16 | -4.34 | ... | 3.16 | Fe I |
| Ni I | 1 | ... | +0.73 | 2.61 | -3.61 | 0.73 | 2.61 | Ni I |
| Sr II | 1 | ... | <-0.08 | <-1.55 | <-4.42 | <-0.08 | <-1.55 | Sr II |
| Ba II | 1 | ... | <+0.62 | <-1.54 | <-3.72 | <0.62 | <-1.54 | Ba II |
| Vrad | 83.00 |
| Right Ascension : 12 04 41.40 | Declination : +12 01 11.5 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| 2013-05-31-00:09:39 | N/A | MIKELCO | 35000 | 85 | 5400 | 83.00 |
| Teff : 5008+-100 | log g : 1.95+-0.20 | vturb : 1.95+-0.20 |
| Original Data | Converted Data Asplund et al. (2009) | |||||||
|---|---|---|---|---|---|---|---|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
| C | 1 | ... | +0.49 | 5.28 | -3.15 | 0.49 | 5.28 | C |
| Na I | 2 | ... | -0.16+-0.18 | 2.44+-0.18 | -3.80+-0.18 | -0.16+-0.18 | 2.44+-0.18 | Na I |
| Mg I | 7 | ... | +0.25+-0.14 | 4.21+-0.14 | -3.39+-0.14 | 0.25+-0.14 | 4.21+-0.14 | Mg I |
| Al I | 1 | ... | -1.32+-0.18 | 1.49+-0.18 | -4.96+-0.18 | -1.32+-0.18 | 1.49+-0.18 | Al I |
| Si I | 1 | ... | +0.27+-0.23 | 4.14+-0.23 | -3.37+-0.23 | 0.27+-0.23 | 4.14+-0.23 | Si I |
| Ca I | 6 | ... | +0.23+-0.14 | 2.93+-0.14 | -3.41+-0.14 | 0.23+-0.14 | 2.93+-0.14 | Ca I |
| Sc II | 2 | ... | -0.30+-0.14 | -0.79+-0.14 | -3.94+-0.14 | -0.30+-0.14 | -0.79+-0.14 | Sc II |
| Ti II | 17 | ... | +0.11+-0.12 | 1.42+-0.12 | -3.53+-0.12 | 0.11+-0.12 | 1.42+-0.12 | Ti II |
| Cr I | 5 | ... | -0.56+-0.19 | 1.44+-0.19 | -4.20+-0.19 | -0.56+-0.19 | 1.44+-0.19 | Cr I |
| Mn I | 3 | ... | -0.56+-0.21 | 1.23+-0.21 | -4.20+-0.21 | -0.56+-0.21 | 1.23+-0.21 | Mn I |
| Fe I | 88 | -3.64+-0.19 | ... | 3.86+-0.19 | -3.64+-0.19 | ... | 3.86+-0.19 | Fe I |
| Fe II | 5 | -3.64+-0.09 | ... | 3.86+-0.09 | -3.64+-0.09 | ... | 3.86+-0.09 | Fe II |
| Co I | 6 | ... | +0.46+-0.23 | 1.81+-0.23 | -3.18+-0.23 | 0.46+-0.23 | 1.81+-0.23 | Co I |
| Ni I | 10 | ... | -0.08+-0.24 | 2.50+-0.24 | -3.72+-0.24 | -0.08+-0.24 | 2.50+-0.24 | Ni I |
| Sr II | 2 | ... | -1.24+-0.16 | -2.01+-0.16 | -4.88+-0.16 | -1.24+-0.16 | -2.01+-0.16 | Sr II |
| Ba II | 1 | ... | -1.30+-0.16 | -2.76+-0.16 | -4.94+-0.16 | -1.30+-0.16 | -2.76+-0.16 | Ba II |
| Vrad | 87.84 |
| Right Ascension : 13 22 50.60 | Declination : +01 23 42.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|---|---|---|---|---|---|
| 2013-05-30-02:35:55 | N/A | MIKELCO | 35000 | 85 | 3600 | 87.84 |