SAGA_Seg1_000001
Original Names
SDSSJ100702.46+155055.3 in J.D.Simon+,ApJ, 733, 46, 20115 in L.C.Vargas+,ApJ, 767, 134, 2013Seg-71 in J.E.Norris+,ApJ, 723, 1632, 2010SDSSJ100702+155055 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 : 5148+-102 | log g : 2.64 |
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 | -2.48+-0.15 | ... | ... | -2.46+-0.15 | ... | 5.04+-0.15 | Fe |
Position
| Right Ascension : 10 07 02.46 | Declination : +15 50 55.2 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2454890.042 | KECKIIDEIMOS | 6000 | N/A | 2700 | 208.4+-2.4 |
| 2455240.902 | KECKIIDEIMOS | 6000 | N/A | 1800 | 209.9+-2.3 |
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 | -2.4 | -0.2 | ... | -2.28 | -0.08 | 6.15 | C |
| Fe | N/A | -2.2 | ... | ... | -2.20 | ... | 5.30 | Fe |
Position
| Right Ascension : 10 07 02.46 | Declination : +15 50 55.3 | 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 | 212 |
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 | ... | +0.74+0.17-0.25 | ... | -1.58+0.17-0.25 | 0.74+0.17-0.25 | 5.93+0.17-0.25 | Si |
| Ca | N/A | ... | +0.66+-0.19 | ... | -1.66+-0.19 | 0.66+-0.19 | 4.68+-0.19 | Ca |
| Ti | N/A | ... | +0.58+0.20-0.29 | ... | -1.74+0.20-0.29 | 0.58+0.20-0.29 | 3.21+0.20-0.29 | Ti |
| Fe | N/A | -2.32+-0.15 | ... | ... | -2.32+-0.15 | ... | 5.18+-0.15 | Fe |
Position
| Right Ascension : 10 07 02.46 | Declination : +15 50 55.2 | 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 : 5161+-150 | log g : 2.50+-0.3 | vturb : 1.80+-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 | -2.24+-0.20 | 0.08+-0.20 | 6.19+-0.20 | -2.24+-0.20 | 0.08+-0.20 | 6.19+-0.20 | CH |
| Na I | 2 | -2.17+-0.14 | 0.15+-0.14 | 4.07+-0.14 | -2.17+-0.14 | 0.15+-0.14 | 4.07+-0.14 | Na I |
| Mg I | 8 | -1.80+-0.12 | 0.52+-0.12 | 5.80+-0.12 | -1.80+-0.12 | 0.52+-0.12 | 5.80+-0.12 | Mg I |
| Al I | 2 | -3.16+-0.20 | -0.84+-0.20 | 3.29+-0.20 | -3.16+-0.20 | -0.84+-0.20 | 3.29+-0.20 | Al I |
| Si I | 2 | -1.90+-0.15 | 0.42+-0.15 | 5.60+-0.15 | -1.91+-0.15 | 0.41+-0.15 | 5.60+-0.15 | Si I |
| Ca I | 19 | -1.81+-0.11 | 0.51+-0.11 | 4.53+-0.11 | -1.81+-0.11 | 0.51+-0.11 | 4.53+-0.11 | Ca I |
| Sc II | 5 | -2.22+-0.15 | 0.10+-0.15 | 0.93+-0.15 | -2.22+-0.15 | 0.10+-0.15 | 0.93+-0.15 | Sc II |
| Ti I | 11 | -1.94+-0.11 | 0.38+-0.11 | 3.01+-0.11 | -1.94+-0.11 | 0.38+-0.11 | 3.01+-0.11 | Ti I |
| Ti II | 35 | -1.90+-0.17 | 0.43+-0.17 | 3.05+-0.17 | -1.90+-0.17 | 0.42+-0.17 | 3.05+-0.17 | Ti II |
| Cr I | 10 | -2.47+-0.09 | -0.15+-0.09 | 3.17+-0.09 | -2.47+-0.09 | -0.15+-0.09 | 3.17+-0.09 | Cr I |
| Mn I | 7 | -2.87+-0.15 | -0.57+-0.15 | 2.54+-0.15 | -2.89+-0.15 | -0.57+-0.15 | 2.54+-0.15 | Mn I |
| Fe I | 162 | -2.32+-0.18 | 0.00+-0.18 | 5.18+-0.18 | -2.32+-0.18 | 0.00+-0.18 | 5.18+-0.18 | Fe I |
| Fe II | 15 | -2.32+-0.15 | 0.00+-0.15 | 5.18+-0.15 | -2.32+-0.15 | 0.00+-0.15 | 5.18+-0.15 | Fe II |
| Co I | 2 | -2.42+-0.10 | -0.10+-0.10 | 2.57+-0.10 | -2.42+-0.10 | -0.10+-0.10 | 2.57+-0.10 | Co I |
| Ni I | 5 | -2.43+-0.23 | -0.11+-0.23 | 3.79+-0.23 | -2.43+-0.23 | -0.11+-0.23 | 3.79+-0.23 | Ni I |
| Zn I | 1 | <-1.87 | <0.45 | <2.69 | <-1.87 | <0.45 | <2.69 | Zn I |
| Sr II | 1 | <-5.06 | <-2.74 | <-2.19 | <-5.06 | <-2.74 | <-2.19 | Sr II |
| Ba II | 1 | <-4.44 | <-2.12 | <-2.26 | <-4.44 | <-2.12 | <-2.26 | Ba II |
| Eu II | 1 | <-2.02 | <0.30 | <-1.50 | <-2.02 | <0.30 | <-1.50 | Eu II |
Position
| Right Ascension : 10 07 02.5 | Declination : +15 50 55.3 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2011-03-11 | N/A | MIKELCO | 28000 | 35-46 | 33120 | N/A |