SAGA_UMaII_000013
Original Names
17 in L.C.Vargas+,ApJ, 767, 134, 2013UMaII-S3 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 : 4550 | log g : 1.0 | vturb : 2.2 |
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 | -3.15+-0.20 | -0.81+-0.20 | 5.24+-0.20 | -3.19+-0.20 | -0.80+-0.20 | 5.24+-0.20 | C |
| O I | 1 | <-1.70 | <0.64 | <6.96 | <-1.73 | <0.66 | <6.96 | O I |
| Na I | 2 | -2.49+-0.30 | -0.15+-0.30 | 3.68+-0.30 | -2.56+-0.30 | -0.17+-0.30 | 3.68+-0.30 | Na I |
| Mg I | 4 | -1.58+-0.17 | 0.76+-0.17 | 5.95+-0.17 | -1.65+-0.17 | 0.74+-0.17 | 5.95+-0.17 | Mg I |
| Al I | 1 | -2.66+-0.30 | -0.34+-0.30 | 3.70+-0.30 | -2.75+-0.30 | -0.36+-0.30 | 3.70+-0.30 | Al I |
| Si I | 1 | -1.43+-0.30 | 0.91+-0.30 | 6.08+-0.30 | -1.43+-0.30 | 0.96+-0.30 | 6.08+-0.30 | Si I |
| Ca I | 22 | -1.81+-0.17 | 0.53+-0.17 | 4.50+-0.17 | -1.84+-0.17 | 0.55+-0.17 | 4.50+-0.17 | Ca I |
| Sc II | 5 | -2.38+-0.15 | -0.04+-0.15 | 0.67+-0.15 | -2.48+-0.15 | -0.09+-0.15 | 0.67+-0.15 | Sc II |
| Ti I | 21 | -2.30+-0.10 | 0.04+-0.10 | 2.60+-0.10 | -2.35+-0.10 | 0.04+-0.10 | 2.60+-0.10 | Ti I |
| Ti II | 27 | -2.13+-0.20 | 0.21+-0.20 | 2.77+-0.20 | -2.18+-0.20 | 0.21+-0.20 | 2.77+-0.20 | Ti II |
| V I | 2 | -2.27+-0.10 | 0.07+-0.10 | 1.73+-0.10 | -2.20+-0.10 | 0.19+-0.10 | 1.73+-0.10 | V I |
| Cr I | 11 | -2.66+-0.13 | -0.32+-0.13 | 2.98+-0.13 | -2.66+-0.13 | -0.27+-0.13 | 2.98+-0.13 | Cr I |
| Mn I | 3 | -2.91+-0.10 | -0.57+-0.10 | 2.48+-0.10 | -2.95+-0.10 | -0.56+-0.10 | 2.48+-0.10 | Mn I |
| Fe I | 133 | -2.34+-0.15 | ... | 5.11+-0.15 | -2.39+-0.15 | ... | 5.11+-0.15 | Fe I |
| Fe II | 19 | -2.34+-0.16 | 0.00+-0.16 | 5.11+-0.16 | -2.39+-0.16 | 0.00+-0.16 | 5.11+-0.16 | Fe II |
| Co I | 4 | -2.43+-0.12 | -0.09+-0.12 | 2.49+-0.12 | -2.50+-0.12 | -0.11+-0.12 | 2.49+-0.12 | Co I |
| Ni I | 10 | -2.36+-0.16 | -0.02+-0.16 | 3.87+-0.16 | -2.35+-0.16 | 0.04+-0.16 | 3.87+-0.16 | Ni I |
| Cu I | 1 | <-2.79 | <-0.45 | <1.42 | <-2.77 | <-0.38 | <1.42 | Cu I |
| Zn I | 1 | -2.34+-0.20 | 0.00+-0.20 | 2.26+-0.20 | -2.30+-0.20 | 0.09+-0.20 | 2.26+-0.20 | Zn I |
| Sr II | 1 | -3.82+-0.30 | -1.48+-0.30 | -0.90+-0.30 | -3.77+-0.30 | -1.38+-0.30 | -0.90+-0.30 | Sr II |
| Y II | 1 | -3.48+-0.15 | -1.14+-0.15 | -1.27+-0.15 | -3.48+-0.15 | -1.09+-0.15 | -1.27+-0.15 | Y II |
| Zr II | 1 | -2.94+-0.30 | -0.60+-0.30 | -0.35+-0.30 | -2.93+-0.30 | -0.54+-0.30 | -0.35+-0.30 | Zr II |
| Ba II | 3 | -2.90+-0.30 | -0.56+-0.30 | -0.73+-0.30 | -2.91+-0.30 | -0.52+-0.30 | -0.73+-0.30 | Ba II |
| La II | 3 | -2.62+-0.40 | -0.28+-0.40 | -1.49+-0.40 | -2.59+-0.40 | -0.20+-0.40 | -1.49+-0.40 | La II |
| Ce II | 1 | <-2.86 | <-0.52 | <-1.28 | <-2.86 | <-0.47 | <-1.28 | Ce II |
| Nd II | 1 | <-2.88 | <-0.54 | <-1.43 | <-2.85 | <-0.46 | <-1.43 | Nd II |
| Sm II | 1 | <-2.80 | <-0.46 | <-1.79 | <-2.75 | <-0.36 | <-1.79 | Sm II |
| Eu II | 1 | <-2.72 | <-0.38 | <-2.20 | <-2.72 | <-0.33 | <-2.20 | Eu II |
Binary Parameters
Position
| Right Ascension : 08 52 59.07 | Declination : +63 05 54.81 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2454519.8 | KECKHIRES | 37000 | 27 | 3600 | -119.8+-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 | ... | +0.44+0.24-0.45 | ... | -1.95+0.24-0.45 | 0.44+0.24-0.45 | 5.65+0.24-0.45 | Mg |
| Si | N/A | ... | +0.59+-0.13 | ... | -1.80+-0.13 | 0.59+-0.13 | 5.71+-0.13 | Si |
| Ca | N/A | ... | +0.59+-0.14 | ... | -1.80+-0.14 | 0.59+-0.14 | 4.54+-0.14 | Ca |
| Ti | N/A | ... | +0.01+-0.13 | ... | -2.38+-0.13 | 0.01+-0.13 | 2.57+-0.13 | Ti |
| Fe | N/A | -2.39+-0.13 | ... | ... | -2.39+-0.13 | ... | 5.11+-0.13 | Fe |
Position
| Right Ascension : 08 52 59.03 | Declination : +63 05 54.8 | 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 |