SAGA_Com_000001
Original Names
8 in L.C.Vargas+,ApJ, 767, 134, 2013ComBer-S2 in A.Frebel+,ApJ, 708, 560, 2010
taken from 2 paper(s):
/A.Frebel et al.(2010)/
/L.C.Vargas et al.(2013)/
High-Resolution Spectroscopy of Extremely Metal-Poor Stars in the Least Evolved Galaxies: Ursa Major II and Coma Berenices
Stellar Parameters
| Teff : 4600 | log g : 1.4 | vturb : 2.0 |
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| C | 2 | -2.79+-0.20 | 0.09+-0.20 | 5.60+-0.20 | -2.83+-0.20 | 0.10+-0.20 | 5.60+-0.20 | C |
| O I | 1 | <-1.32 | <1.56 | <7.34 | <-1.35 | <1.58 | <7.34 | O I |
| Na I | 1 | -3.04+-0.30 | -0.16+-0.30 | 3.13+-0.30 | -3.11+-0.30 | -0.18+-0.30 | 3.13+-0.30 | Na I |
| Mg I | 3 | -1.90+-0.10 | 0.98+-0.10 | 5.63+-0.10 | -1.97+-0.10 | 0.96+-0.10 | 5.63+-0.10 | Mg I |
| Al I | 1 | <-1.22 | <1.66 | <5.15 | <-1.30 | <1.63 | <5.15 | Al I |
| Si I | 1 | <-1.80 | <1.08 | <5.71 | <-1.80 | <1.13 | <5.71 | Si I |
| Ca I | 17 | -2.25+-0.21 | 0.63+-0.21 | 4.06+-0.21 | -2.28+-0.21 | 0.65+-0.21 | 4.06+-0.21 | Ca I |
| Sc II | 4 | -2.33+-0.19 | 0.55+-0.19 | 0.72+-0.19 | -2.43+-0.19 | 0.50+-0.19 | 0.72+-0.19 | Sc II |
| Ti I | 13 | -2.55+-0.22 | 0.33+-0.22 | 2.35+-0.22 | -2.60+-0.22 | 0.33+-0.22 | 2.35+-0.22 | Ti I |
| Ti II | 21 | -2.48+-0.21 | 0.40+-0.21 | 2.42+-0.21 | -2.53+-0.21 | 0.40+-0.21 | 2.42+-0.21 | Ti II |
| V I | 1 | <-2.54 | <0.34 | <1.46 | <-2.47 | <0.46 | <1.46 | V I |
| Cr I | 4 | -3.42+-0.17 | -0.54+-0.17 | 2.22+-0.17 | -3.42+-0.17 | -0.49+-0.17 | 2.22+-0.17 | Cr I |
| Mn I | 1 | <-3.19 | <-0.31 | <2.20 | <-3.23 | <-0.30 | <2.20 | Mn I |
| Fe I | 98 | -2.88+-0.14 | ... | 4.57+-0.14 | -2.93+-0.14 | ... | 4.57+-0.14 | Fe I |
| Fe II | 8 | -2.88+-0.25 | 0.00+-0.25 | 4.57+-0.25 | -2.93+-0.25 | 0.00+-0.25 | 4.57+-0.25 | Fe II |
| Co I | 1 | <-2.36 | <0.52 | <2.56 | <-2.43 | <0.50 | <2.56 | Co I |
| Ni I | 5 | -2.80+-0.22 | 0.08+-0.22 | 3.43+-0.22 | -2.79+-0.22 | 0.14+-0.22 | 3.43+-0.22 | Ni I |
| Cu I | 1 | <-2.69 | <0.19 | <1.52 | <-2.67 | <0.26 | <1.52 | Cu I |
| Zn I | 1 | -2.82+-0.20 | 0.06+-0.20 | 1.78+-0.20 | -2.78+-0.20 | 0.15+-0.20 | 1.78+-0.20 | Zn I |
| Sr II | 1 | -4.52+-0.30 | -1.64+-0.30 | -1.60+-0.30 | -4.47+-0.30 | -1.54+-0.30 | -1.60+-0.30 | Sr II |
| Y II | 1 | <-3.38 | <-0.50 | <-1.17 | <-3.38 | <-0.45 | <-1.17 | Y II |
| Zr II | 1 | <-2.54 | <0.34 | <0.05 | <-2.53 | <0.40 | <0.05 | Zr II |
| Ba II | 2 | -4.79+-0.30 | -1.91+-0.30 | -2.62+-0.30 | -4.80+-0.30 | -1.87+-0.30 | -2.62+-0.30 | Ba II |
| La II | 1 | <-2.83 | <0.05 | <-1.70 | <-2.80 | <0.13 | <-1.70 | La II |
| Ce II | 1 | <-2.92 | <-0.04 | <-1.34 | <-2.92 | <0.01 | <-1.34 | Ce II |
| Nd II | 1 | <-2.44 | <0.44 | <-0.99 | <-2.41 | <0.52 | <-0.99 | Nd II |
| Sm II | 1 | <-2.36 | <0.52 | <-1.35 | <-2.31 | <0.62 | <-1.35 | Sm II |
| Eu II | 1 | <-2.92 | <-0.04 | <-2.40 | <-2.92 | <0.01 | <-2.40 | Eu II |
Binary Parameters
Position
| Right Ascension : 12 26 55.46 | Declination : +23 56 09.83 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2454520.0 | KECKHIRES | 37000 | 28 | 18900 | 96.4+-0.2 |
The Distribution of Alpha Elements in Ultra-faint Dwarf Galaxies
Chemical Abundances
| | Original Data | Converted Data Asplund et al. (2009) | |
|---|
| Element | Nline | [X/H] | [X/Fe] | log-e | [X/H] | [X/Fe] | log-e | Element |
|---|
| Mg | N/A | ... | +0.97+0.17-0.18 | ... | -1.73+0.17-0.18 | 0.97+0.17-0.18 | 5.87+0.17-0.18 | Mg |
| Si | N/A | ... | +1.20+0.11-0.12 | ... | -1.50+0.11-0.12 | 1.20+0.11-0.12 | 6.01+0.11-0.12 | Si |
| Ca | N/A | ... | +0.68+-0.14 | ... | -2.02+-0.14 | 0.68+-0.14 | 4.32+-0.14 | Ca |
| Ti | N/A | ... | +0.57+0.13-0.11 | ... | -2.13+0.13-0.11 | 0.57+0.13-0.11 | 2.82+0.13-0.11 | Ti |
| Fe | N/A | -2.70+-0.12 | ... | ... | -2.70+-0.12 | ... | 4.80+-0.12 | Fe |
Position
| Right Ascension : 12 26 55.46 | Declination : +23 56 09.8 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| N/A | KECKIIDEIMOS | 6000 | N/A | N/A | N/A |