SAGA_BooII_000004
Original Names
BooII-15 in A.Koch+,ApJ, 690, 453, 2009SDSSJ135751.18+125136.9 in A.Koch+,ApJ, 794, 89, 2014SDSSJ135751.18+125136.9 in P.Francois+,AAP, 588, A7, 2016SDSSJ135751.2+125137.0 in A.P.Ji+,ApJ, 817, 41, 2016
taken from 4 paper(s):
/A.Koch et al.(2009)/
/A.Koch and R. M. Rich(2014)/
/A.P.Ji et al.(2016)/
/P.Francois et al.(2016)/
A Spectroscopic Confirmation of the Bootes II Dwarf Spheroidal
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 | -1.81+-0.10 | ... | ... | -1.81+-0.10 | ... | 5.69+-0.10 | Fe |
Position
| Right Ascension : 13 57 51.2 | Declination : +12 51 36.6 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2007-04-17 | N/A | GEMINIGMOS | 3600 | 27 | 12600 | –100.07 |
A Chemical Confirmation of the Faint Bootes II Dwarf Spheroidal Galaxy
Stellar Parameters
| Teff : 5000 | log g : 2.26 | vturb : 1.81 |
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 I | N/A | ... | 0.03+-0.37 | ... | -2.90+-0.37 | 0.03+-0.37 | 5.53+-0.37 | C I |
| Mg I | 5 | ... | 0.58+-0.17 | ... | -2.35+-0.17 | 0.58+-0.17 | 5.25+-0.17 | Mg I |
| Ca I | 7 | ... | 0.37+-0.12 | ... | -2.56+-0.12 | 0.37+-0.12 | 3.78+-0.12 | Ca I |
| Ti I | 3 | ... | 0.27+-0.21 | ... | -2.66+-0.21 | 0.27+-0.21 | 2.29+-0.21 | Ti I |
| Ti II | 7 | ... | 0.23+-0.12 | ... | -2.70+-0.12 | 0.23+-0.12 | 2.25+-0.12 | Ti II |
| Cr I | 2 | ... | -0.38+-0.18 | ... | -3.31+-0.18 | -0.38+-0.18 | 2.33+-0.18 | Cr I |
| Fe I | 46 | -2.93+-0.17 | ... | ... | -2.93+-0.17 | ... | 4.57+-0.17 | Fe I |
| Fe II | 5 | -2.97+-0.09 | ... | ... | -2.97+-0.09 | ... | 4.53+-0.09 | Fe II |
| Ni I | 1 | ... | -0.05+-0.18 | ... | -2.98+-0.18 | -0.05+-0.18 | 3.24+-0.18 | Ni I |
| Ba II | 4 | ... | <-0.62+-0.13 | ... | <-3.55+-0.13 | <-0.62+-0.13 | <-1.37+-0.13 | Ba II |
Binary Parameters
Position
| Right Ascension : 13 57 51.2 | Declination : +12 51 36.6 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2014-05-23 | N/A | KECKHIRES | 36000 | 20-40 | 21600 | -104.8 |
High-resolution Spectroscopy of Extremely Metal-poor Stars in the Least-evolved Galaxies: Bootes II
Stellar Parameters
| Teff : 5102 | log g : 2.20 | vturb : 2.00 |
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 | -2.46+-0.30 | 0.41+-0.30 | 5.97+-0.30 | -2.46+-0.30 | 0.40+-0.30 | 5.97+-0.30 | CH |
| Na I | 2 | -2.32+-0.15 | 0.54+-0.15 | 3.92+-0.15 | -2.32+-0.15 | 0.54+-0.15 | 3.92+-0.15 | Na I |
| Mg I | 4 | -2.44+-0.15 | 0.42+-0.15 | 5.16+-0.15 | -2.44+-0.15 | 0.42+-0.15 | 5.16+-0.15 | Mg I |
| Al I | 2 | -3.76+-0.50 | -0.90+-0.50 | 2.69+-0.50 | -3.76+-0.50 | -0.90+-0.50 | 2.69+-0.50 | Al I |
| Si I | 1 | -2.86+-0.50 | 0.00+-0.50 | 4.65+-0.50 | -2.86+-0.50 | 0.00+-0.50 | 4.65+-0.50 | Si I |
| Ca I | 4 | -2.41+-0.15 | 0.45+-0.15 | 3.93+-0.15 | -2.41+-0.15 | 0.45+-0.15 | 3.93+-0.15 | Ca I |
| Sc II | 3 | -2.56+-0.30 | 0.30+-0.30 | 0.59+-0.30 | -2.56+-0.30 | 0.30+-0.30 | 0.59+-0.30 | Sc II |
| Ti II | 11 | -2.70+-0.15 | 0.16+-0.15 | 2.25+-0.15 | -2.70+-0.15 | 0.16+-0.15 | 2.25+-0.15 | Ti II |
| Cr I | 4 | -3.05+-0.15 | -0.19+-0.15 | 2.59+-0.15 | -3.05+-0.15 | -0.19+-0.15 | 2.59+-0.15 | Cr I |
| Mn I | 3 | -3.53+-0.30 | -0.67+-0.30 | 1.90+-0.30 | -3.53+-0.30 | -0.67+-0.30 | 1.90+-0.30 | Mn I |
| Fe I | 60 | -2.86+-0.20 | 0.00+-0.20 | 4.64+-0.20 | -2.86+-0.20 | 0.00+-0.20 | 4.64+-0.20 | Fe I |
| Fe II | 7 | -2.84+-0.15 | 0.02+-0.15 | 4.66+-0.15 | -2.84+-0.15 | 0.02+-0.15 | 4.66+-0.15 | Fe II |
| Co I | 2 | <-1.19 | <1.68 | <3.81 | <-1.18 | <1.68 | <3.81 | Co I |
| Ni I | 1 | <-1.69 | <1.17 | <4.53 | <-1.69 | <1.17 | <4.53 | Ni I |
| Sr II | 1 | <-4.76 | <-1.90 | <-1.89 | <-4.76 | <-1.90 | <-1.89 | Sr II |
| Ba II | 1 | <-4.36 | <-1.50 | <-2.18 | <-4.36 | <-1.50 | <-2.18 | Ba II |
Position
| Right Ascension : 13 57 51.2 | Declination : +12 51 37.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2014-03-21 | N/A | MIKELCO | 28000 | 21 | 20880 | N/A |
| 2015-06-17 | N/A | MIKELCO | 28000 | N/A | N/A | N/A |
| 2015-06-18 | N/A | MIKELCO | 28000 | N/A | N/A | N/A |
Abundance ratios of red giants in low-mass ultra-faint dwarf spheroidal galaxies
Stellar Parameters
| Teff : 4980 | log g : 2.60 | vturb : 2.3 |
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 |
|---|
| C | N/A | ... | -0.1 | ... | -2.99 | -0.01 | 5.44 | C |
| Na | N/A | ... | 0.5 | ... | -2.39 | 0.59 | 3.85 | Na |
| Mg | N/A | ... | 0.44 | ... | -2.56 | 0.42 | 5.04 | Mg |
| Al | N/A | ... | 0.28 | ... | -2.68 | 0.30 | 3.77 | Al |
| Ca | N/A | ... | 0.58 | ... | -2.38 | 0.60 | 3.96 | Ca |
| Mn | N/A | ... | 0.44 | ... | -2.58 | 0.40 | 2.85 | Mn |
| Fe | N/A | -2.98 | ... | ... | -2.98 | ... | 4.52 | Fe |
| Sr | N/A | ... | <-2.22 | ... | <-5.15 | <-2.17 | <-2.28 | Sr |
| Ba | N/A | ... | <-0.28 | ... | <-3.31 | <-0.33 | <-1.13 | Ba |
Binary Parameters
Position
| Right Ascension : 13 57 51.2 | Declination : +12 51 36.6 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2010-05-12-022601.360 | N/A | VLTXSH | 12600 | 60 | 2950 | -119 |
| 2010-05-12-032150.970 | N/A | VLTXSH | 12600 | 60 | 2950 | -119 |