SAGA_Seg1_000008
Original Names
Seg-318 in J.E.Norris+,ApJ, 723, 1632, 2010SDSSJ100710.08+160623.9 in J.D.Simon+,ApJ, 733, 46, 20112 in L.C.Vargas+,ApJ, 767, 134, 2013SDSSJ100710+160623 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 : 5106+-109 | log g : 2.96 |
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 | -1.63+-0.14 | ... | ... | -1.61+-0.14 | ... | 5.89+-0.14 | Fe |
Position
| Right Ascension : 10 07 10.07 | Declination : +16 06 23.9 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2454881.811 | KECKIIDEIMOS | 6000 | N/A | 7200 | 205.6+-2.2 |
| 2454881.916 | KECKIIDEIMOS | 6000 | N/A | 5400 | 208.0+-2.2 |
| 2454889.767 | KECKIIDEIMOS | 6000 | N/A | 7500 | 205.8+-2.2 |
| 2455240.855 | KECKIIDEIMOS | 6000 | N/A | 1200 | 208.1+-6.2 |
Chemical Enrichment in the Faintest Galaxies: The Carbon and Iron Abundance Spreads in the Boötes I Dwarf Spheroidal Galaxy and the Segue 1 System
Position
| Right Ascension : 10 07 10.08 | Declination : +16 06 23.9 | 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 | 213 |
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 | ... | +0.70+0.12-0.14 | ... | -0.91+0.12-0.14 | 0.70+0.12-0.14 | 6.69+0.12-0.14 | Mg |
| Si | N/A | ... | +0.68+0.12-0.14 | ... | -0.93+0.12-0.14 | 0.68+0.12-0.14 | 6.58+0.12-0.14 | Si |
| Ca | N/A | ... | +0.58+-0.13 | ... | -1.03+-0.13 | 0.58+-0.13 | 5.31+-0.13 | Ca |
| Ti | N/A | ... | +0.39+0.11-0.13 | ... | -1.22+0.11-0.13 | 0.39+0.11-0.13 | 3.73+0.11-0.13 | Ti |
| Fe | N/A | -1.61+-0.12 | ... | ... | -1.61+-0.12 | ... | 5.89+-0.12 | Fe |
Position
| Right Ascension : 10 07 10.08 | Declination : +16 06 23.9 | 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 : 5079+-150 | log g : 2.55+-0.3 | vturb : 1.75+-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 | -1.52+-0.20 | 0.15+-0.20 | 6.91+-0.20 | -1.52+-0.20 | 0.15+-0.20 | 6.91+-0.20 | CH |
| Na I | 2 | -1.93+-0.10 | -0.26+-0.10 | 4.31+-0.10 | -1.93+-0.10 | -0.26+-0.10 | 4.31+-0.10 | Na I |
| Mg I | 5 | -1.21+-0.10 | 0.47+-0.10 | 6.39+-0.10 | -1.21+-0.10 | 0.46+-0.10 | 6.39+-0.10 | Mg I |
| Al I | 1 | -2.57+-0.25 | -0.90+-0.25 | 3.88+-0.25 | -2.57+-0.25 | -0.90+-0.25 | 3.88+-0.25 | Al I |
| Si I | 1 | -1.14+-0.15 | 0.53+-0.15 | 6.37+-0.15 | -1.14+-0.15 | 0.53+-0.15 | 6.37+-0.15 | Si I |
| Ca I | 25 | -1.09+-0.23 | 0.58+-0.23 | 5.25+-0.23 | -1.09+-0.23 | 0.58+-0.23 | 5.25+-0.23 | Ca I |
| Sc II | 7 | -1.54+-0.12 | 0.13+-0.12 | 1.61+-0.12 | -1.54+-0.12 | 0.13+-0.12 | 1.61+-0.12 | Sc II |
| Ti I | 26 | -1.29+-0.15 | 0.38+-0.15 | 3.66+-0.15 | -1.29+-0.15 | 0.38+-0.15 | 3.66+-0.15 | Ti I |
| Ti II | 39 | -1.30+-0.15 | 0.38+-0.15 | 3.65+-0.15 | -1.30+-0.15 | 0.37+-0.15 | 3.65+-0.15 | Ti II |
| Cr I | 17 | -1.80+-0.16 | -0.13+-0.16 | 3.84+-0.16 | -1.80+-0.16 | -0.13+-0.16 | 3.84+-0.16 | Cr I |
| Cr II | 1 | -1.88+-0.15 | -0.21+-0.15 | 3.76+-0.15 | -1.88+-0.15 | -0.21+-0.15 | 3.76+-0.15 | Cr II |
| Mn I | 6 | -2.16+-0.15 | -0.49+-0.15 | 3.27+-0.15 | -2.16+-0.15 | -0.49+-0.15 | 3.27+-0.15 | Mn I |
| Fe I | 210 | -1.67+-0.22 | 0.00+-0.22 | 5.83+-0.22 | -1.67+-0.22 | 0.00+-0.22 | 5.83+-0.22 | Fe I |
| Fe II | 23 | -1.65+-0.18 | 0.02+-0.18 | 5.85+-0.18 | -1.65+-0.18 | 0.02+-0.18 | 5.85+-0.18 | Fe II |
| Co I | 5 | -1.67+-0.07 | 0.00+-0.07 | 3.32+-0.07 | -1.67+-0.07 | 0.00+-0.07 | 3.32+-0.07 | Co I |
| Ni I | 14 | -1.66+-0.16 | 0.01+-0.16 | 4.56+-0.16 | -1.66+-0.16 | 0.01+-0.16 | 4.56+-0.16 | Ni I |
| Zn I | 1 | <-1.72 | <-0.05 | <2.84 | <-1.72 | <-0.05 | <2.84 | Zn I |
| Sr II | 1 | <-4.87 | <-3.20 | <-2.00 | <-4.87 | <-3.20 | <-2.00 | Sr II |
| Ba II | 1 | <-4.28 | <-2.61 | <-2.10 | <-4.28 | <-2.61 | <-2.10 | Ba II |
| Eu II | 1 | <-1.67 | <0.00 | <-1.15 | <-1.67 | <0.00 | <-1.15 | Eu II |
Position
| Right Ascension : 10 07 10.1 | Declination : +16 06 23.9 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2011-03-13 | N/A | MIKELCO | 28000 | 28-45 | 26280 | N/A |