SAGA_Seg1_000011
Original Names
SDSSJ100652.33+160235.8 in J.D.Simon+,ApJ, 733, 46, 20111 in L.C.Vargas+,ApJ, 767, 134, 2013SDSSJ100652+160235 in A.Frebel+,ApJ, 786, 74, 2014
taken from 3 paper(s):
/J.D.Simon et al.(2011)/
/L.C.Vargas et al.(2013)/
/A.Frebel et al.(2014)/
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
Stellar Parameters
| Teff : 5271+-132 | log g : 2.85 |
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 |
|---|
| Fe | N/A | -3.40+-0.17 | ... | ... | -3.38+-0.17 | ... | 4.12+-0.17 | Fe |
Position
| Right Ascension : 10 06 52.32 | Declination : +16 02 35.8 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2454417.051 | KECKIIDEIMOS | 6000 | N/A | 5400 | 216.1+-2.9 |
| 2454881.784 | KECKIIDEIMOS | 6000 | N/A | 600 | 211.5+-8.8 |
| 2454889.843 | KECKIIDEIMOS | 6000 | N/A | 7500 | 203.0+-2.3 |
| 2455240.855 | KECKIIDEIMOS | 6000 | N/A | 1200 | 210.8+-2.3 |
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 |
|---|
| Ca | N/A | ... | +0.76+0.29-0.53 | ... | -2.66+0.29-0.53 | 0.76+0.29-0.53 | 3.68+0.29-0.53 | Ca |
| Fe | N/A | -3.42+-0.28 | ... | ... | -3.42+-0.28 | ... | 4.08+-0.28 | Fe |
Position
| Right Ascension : 10 06 52.33 | Declination : +16 02 35.8 | 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 |
Segue 1: An Unevolved Fossil Galaxy from the Early Universe
Stellar Parameters
| Teff : 5484+-150 | log g : 3.30+-0.3 | vturb : 1.35+-0.3 |
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 |
|---|
| CH | 2 | -2.40+-0.20 | 1.20+-0.20 | 6.03+-0.20 | -2.40+-0.20 | 1.20+-0.20 | 6.03+-0.20 | CH |
| Na I | 2 | -3.49+-0.10 | 0.11+-0.10 | 2.75+-0.10 | -3.49+-0.10 | 0.11+-0.10 | 2.75+-0.10 | Na I |
| Mg I | 6 | -3.01+-0.06 | 0.59+-0.06 | 4.59+-0.06 | -3.01+-0.06 | 0.59+-0.06 | 4.59+-0.06 | Mg I |
| Al I | 1 | -4.20+-0.20 | -0.60+-0.20 | 2.25+-0.20 | -4.20+-0.20 | -0.60+-0.20 | 2.25+-0.20 | Al I |
| Si I | 1 | -3.19+-0.15 | 0.41+-0.15 | 4.31+-0.15 | -3.20+-0.15 | 0.40+-0.15 | 4.31+-0.15 | Si I |
| Ca I | 3 | -3.04+-0.13 | 0.56+-0.13 | 3.30+-0.13 | -3.04+-0.13 | 0.56+-0.13 | 3.30+-0.13 | Ca I |
| Sc II | 1 | -3.25+-0.15 | 0.35+-0.15 | -0.10+-0.15 | -3.25+-0.15 | 0.35+-0.15 | -0.10+-0.15 | Sc II |
| Ti II | 12 | -3.00+-0.14 | 0.60+-0.14 | 1.95+-0.14 | -3.00+-0.14 | 0.60+-0.14 | 1.95+-0.14 | Ti II |
| Cr I | 1 | -3.92+-0.15 | -0.32+-0.15 | 1.72+-0.15 | -3.92+-0.15 | -0.32+-0.15 | 1.72+-0.15 | Cr I |
| Mn I | 1 | <-3.93 | <-0.33 | <1.50 | <-3.93 | <-0.33 | <1.50 | Mn I |
| Fe I | 47 | -3.60+-0.23 | 0.00+-0.23 | 3.90+-0.23 | -3.60+-0.23 | 0.00+-0.23 | 3.90+-0.23 | Fe I |
| Co I | 2 | -3.08+-0.10 | 0.52+-0.10 | 1.91+-0.10 | -3.08+-0.10 | 0.52+-0.10 | 1.91+-0.10 | Co I |
| Ni I | 4 | -3.47+-0.15 | 0.13+-0.15 | 2.75+-0.15 | -3.47+-0.15 | 0.13+-0.15 | 2.75+-0.15 | Ni I |
| Zn I | 1 | <-2.16 | <1.44 | <2.40 | <-2.16 | <1.44 | <2.40 | Zn I |
| Sr II | 1 | <-4.50 | <-0.90 | <-1.63 | <-4.50 | <-0.90 | <-1.63 | Sr II |
| Ba II | 1 | <-4.05 | <-0.45 | <-1.87 | <-4.05 | <-0.45 | <-1.87 | Ba II |
| Eu II | 1 | <-1.60 | <2.00 | <-1.08 | <-1.60 | <2.00 | <-1.08 | Eu II |
Position
| Right Ascension : 10 06 52.3 | Declination : +16 02 35.8 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2010-03-07 | N/A | MIKELCO | 28000 | 42-50 | 54000 | N/A |