SAGA_Com_000003
Original Names
ComBer-S1 in A.Frebel+,ApJ, 708, 560, 20109 in L.C.Vargas+,ApJ, 767, 134, 2013
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 : 4700 | log g : 1.3 | vturb : 2.5 |
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 | -2.30+-0.20 | 0.01+-0.20 | 6.09+-0.20 | -2.34+-0.20 | 0.02+-0.20 | 6.09+-0.20 | C |
| O I | 1 | <-1.59 | <0.72 | <7.07 | <-1.62 | <0.74 | <7.07 | O I |
| Na I | 2 | -3.05+-0.30 | -0.74+-0.30 | 3.12+-0.30 | -3.12+-0.30 | -0.76+-0.30 | 3.12+-0.30 | Na I |
| Mg I | 3 | -2.15+-0.20 | 0.16+-0.20 | 5.38+-0.20 | -2.22+-0.20 | 0.14+-0.20 | 5.38+-0.20 | Mg I |
| Al I | 1 | <-1.12 | <1.19 | <5.25 | <-1.20 | <1.16 | <5.25 | Al I |
| Si I | 1 | <-1.77 | <0.54 | <5.74 | <-1.77 | <0.59 | <5.74 | Si I |
| Ca I | 18 | -2.20+-0.18 | 0.11+-0.18 | 4.11+-0.18 | -2.23+-0.18 | 0.13+-0.18 | 4.11+-0.18 | Ca I |
| Sc II | 5 | -2.73+-0.26 | -0.42+-0.26 | 0.32+-0.26 | -2.83+-0.26 | -0.47+-0.26 | 0.32+-0.26 | Sc II |
| Ti I | 12 | -2.49+-0.18 | -0.18+-0.18 | 2.41+-0.18 | -2.54+-0.18 | -0.18+-0.18 | 2.41+-0.18 | Ti I |
| Ti II | 27 | -2.32+-0.14 | -0.01+-0.14 | 2.58+-0.14 | -2.37+-0.14 | -0.01+-0.14 | 2.58+-0.14 | Ti II |
| V I | 1 | <-2.82 | <-0.51 | <1.18 | <-2.75 | <-0.39 | <1.18 | V I |
| Cr I | 10 | -2.30+-0.16 | 0.01+-0.16 | 3.34+-0.16 | -2.30+-0.16 | 0.06+-0.16 | 3.34+-0.16 | Cr I |
| Mn I | 1 | <-2.99 | <-0.68 | <2.40 | <-3.03 | <-0.67 | <2.40 | Mn I |
| Fe I | 130 | -2.31+-0.17 | ... | 5.14+-0.17 | -2.36+-0.17 | ... | 5.14+-0.17 | Fe I |
| Fe II | 18 | -2.29+-0.18 | 0.02+-0.18 | 5.16+-0.18 | -2.34+-0.18 | 0.02+-0.18 | 5.16+-0.18 | Fe II |
| Co I | 1 | <-2.23 | <0.08 | <2.69 | <-2.30 | <0.06 | <2.69 | Co I |
| Ni I | 3 | -2.87+-0.20 | -0.56+-0.20 | 3.36+-0.20 | -2.86+-0.20 | -0.50+-0.20 | 3.36+-0.20 | Ni I |
| Cu I | 1 | <-2.43 | <-0.12 | <1.78 | <-2.41 | <-0.05 | <1.78 | Cu I |
| Zn I | 1 | -2.53+-0.20 | -0.22+-0.20 | 2.07+-0.20 | -2.49+-0.20 | -0.13+-0.20 | 2.07+-0.20 | Zn I |
| Sr II | 1 | -3.72+-0.30 | -1.41+-0.30 | -0.80+-0.30 | -3.67+-0.30 | -1.31+-0.30 | -0.80+-0.30 | Sr II |
| Y II | 1 | <-3.40 | <-1.09 | <-1.19 | <-3.40 | <-1.04 | <-1.19 | Y II |
| Zr II | 1 | <-2.77 | <-0.46 | <-0.18 | <-2.76 | <-0.40 | <-0.18 | Zr II |
| Ba II | 2 | -4.64+-0.30 | -2.33+-0.30 | -2.47+-0.30 | -4.65+-0.30 | -2.29+-0.30 | -2.47+-0.30 | Ba II |
| La II | 1 | <-2.70 | <-0.39 | <-1.57 | <-2.67 | <-0.31 | <-1.57 | La II |
| Ce II | 1 | <-2.75 | <-0.44 | <-1.17 | <-2.75 | <-0.39 | <-1.17 | Ce II |
| Nd II | 1 | <-2.33 | <-0.02 | <-0.88 | <-2.30 | <0.06 | <-0.88 | Nd II |
| Sm II | 1 | <-2.19 | <0.12 | <-1.18 | <-2.14 | <0.22 | <-1.18 | Sm II |
| Eu II | 1 | <-2.32 | <-0.01 | <-1.80 | <-2.32 | <0.04 | <-1.80 | Eu II |
Binary Parameters
Position
| Right Ascension : 12 26 43.47 | Declination : +23 57 02.47 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2454522.0 | KECKHIRES | 37000 | 27 | 19044 | 93.8+-0.3 |
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 |
|---|
| Si | N/A | ... | +0.06+0.15-0.18 | ... | -2.06+0.15-0.18 | 0.06+0.15-0.18 | 5.45+0.15-0.18 | Si |
| Ca | N/A | ... | +0.04+0.13-0.12 | ... | -2.08+0.13-0.12 | 0.04+0.13-0.12 | 4.26+0.13-0.12 | Ca |
| Ti | N/A | ... | -0.21+0.19-0.18 | ... | -2.33+0.19-0.18 | -0.21+0.19-0.18 | 2.62+0.19-0.18 | Ti |
| Fe | N/A | -2.12+-0.12 | ... | ... | -2.12+-0.12 | ... | 5.38+-0.12 | Fe |
Position
| Right Ascension : 12 26 43.47 | Declination : +23 57 02.5 | 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 |