SAGA_Seg1_000003
Original Names
SDSSJ100742.72+160106.9 in J.D.Simon+,ApJ, 733, 46, 2011Seg-31 in J.E.Norris+,ApJ, 723, 1632, 20104 in L.C.Vargas+,ApJ, 767, 134, 2013SDSSJ100742+160106 in A.Frebel+,ApJ, 786, 74, 2014
taken from 4 paper(s):
/J.D.Simon et al.(2011)/
/J.E.Norris et al.(2010)/
/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 : 5251+-111 | log g : 2.76 |
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 | -2.50+-0.14 | ... | ... | -2.48+-0.14 | ... | 5.02+-0.14 | Fe |
Position
| Right Ascension : 10 07 42.71 | Declination : +16 01 06.8 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2454890.842 | KECKIIDEIMOS | 6000 | N/A | 7800 | 206.8+-2.2 |
Chemical Enrichment in the Faintest Galaxies: The Carbon and Iron Abundance Spreads in the Boötes I Dwarf Spheroidal Galaxy and the Segue 1 System
Stellar Parameters
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 | N/A | -1.9 | 0.0 | ... | -1.78 | 0.12 | 6.65 | C |
| Fe | N/A | -1.9 | ... | ... | -1.90 | ... | 5.60 | Fe |
Position
| Right Ascension : 10 07 42.72 | Declination : +16 01 06.9 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2007-04-18 | N/A | N/A | 5000 | N/A | N/A | 211 |
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 | ... | +0.87+0.20-0.31 | ... | -1.56+0.20-0.31 | 0.87+0.20-0.31 | 6.04+0.20-0.31 | Mg |
| Si | N/A | ... | +0.99+0.14-0.13 | ... | -1.44+0.14-0.13 | 0.99+0.14-0.13 | 6.07+0.14-0.13 | Si |
| Ca | N/A | ... | +0.59+-0.14 | ... | -1.84+-0.14 | 0.59+-0.14 | 4.50+-0.14 | Ca |
| Ti | N/A | ... | +0.71+0.15-0.19 | ... | -1.72+0.15-0.19 | 0.71+0.15-0.19 | 3.23+0.15-0.19 | Ti |
| Fe | N/A | -2.43+-0.13 | ... | ... | -2.43+-0.13 | ... | 5.07+-0.13 | Fe |
Position
| Right Ascension : 10 07 42.71 | Declination : +16 01 06.9 | 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 : 5242+-150 | log g : 2.55+-0.3 | vturb : 1.70+-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 | -2.50+-0.20 | -0.10+-0.20 | 5.93+-0.20 | -2.50+-0.20 | -0.10+-0.20 | 5.93+-0.20 | CH |
| Na I | 2 | -2.63+-0.10 | -0.23+-0.10 | 3.61+-0.10 | -2.63+-0.10 | -0.23+-0.10 | 3.61+-0.10 | Na I |
| Mg I | 7 | -1.86+-0.08 | 0.54+-0.08 | 5.74+-0.08 | -1.86+-0.08 | 0.54+-0.08 | 5.74+-0.08 | Mg I |
| Al I | 2 | -3.07+-0.15 | -0.67+-0.15 | 3.38+-0.15 | -3.07+-0.15 | -0.67+-0.15 | 3.38+-0.15 | Al I |
| Si I | 1 | -1.77+-0.15 | 0.63+-0.15 | 5.74+-0.15 | -1.77+-0.15 | 0.63+-0.15 | 5.74+-0.15 | Si I |
| Ca I | 21 | -1.88+-0.09 | 0.52+-0.09 | 4.46+-0.09 | -1.88+-0.09 | 0.52+-0.09 | 4.46+-0.09 | Ca I |
| Sc II | 6 | -2.09+-0.10 | 0.31+-0.10 | 1.06+-0.10 | -2.09+-0.10 | 0.31+-0.10 | 1.06+-0.10 | Sc II |
| Ti I | 16 | -2.00+-0.10 | 0.40+-0.10 | 2.95+-0.10 | -2.00+-0.10 | 0.40+-0.10 | 2.95+-0.10 | Ti I |
| Ti II | 33 | -1.95+-0.13 | 0.45+-0.13 | 3.00+-0.13 | -1.95+-0.13 | 0.45+-0.13 | 3.00+-0.13 | Ti II |
| Cr I | 9 | -2.68+-0.17 | -0.28+-0.17 | 2.96+-0.17 | -2.68+-0.17 | -0.28+-0.17 | 2.96+-0.17 | Cr I |
| Mn I | 4 | -2.82+-0.25 | -0.42+-0.25 | 2.61+-0.25 | -2.82+-0.25 | -0.42+-0.25 | 2.61+-0.25 | Mn I |
| Fe I | 170 | -2.40+-0.17 | 0.00+-0.17 | 5.10+-0.17 | -2.40+-0.17 | 0.00+-0.17 | 5.10+-0.17 | Fe I |
| Fe II | 17 | -2.39+-0.10 | 0.01+-0.10 | 5.11+-0.10 | -2.39+-0.10 | 0.01+-0.10 | 5.11+-0.10 | Fe II |
| Co I | 2 | -2.27+-0.14 | 0.13+-0.14 | 2.72+-0.14 | -2.27+-0.14 | 0.13+-0.14 | 2.72+-0.14 | Co I |
| Ni I | 1 | -2.27+-0.15 | 0.13+-0.15 | 3.95+-0.15 | -2.27+-0.15 | 0.13+-0.15 | 3.95+-0.15 | Ni I |
| Zn I | 1 | <-2.09 | <0.31 | <2.47 | <-2.09 | <0.31 | <2.47 | Zn I |
| Sr II | 1 | <-5.17 | <-2.77 | <-2.30 | <-5.17 | <-2.77 | <-2.30 | Sr II |
| Ba II | 1 | -4.38+-0.20 | -1.98+-0.20 | -2.20+-0.20 | -4.38+-0.20 | -1.98+-0.20 | -2.20+-0.20 | Ba II |
| Eu II | 1 | <-1.92 | <0.48 | <-1.40 | <-1.92 | <0.48 | <-1.40 | Eu II |
Position
| Right Ascension : 10 07 42.7 | Declination : +16 01 06.9 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2010-04-01 | N/A | KECKHIRES | 37500 | 20-30 | 12960 | N/A |