BD+20_2594
Original Names
G56-36 in H.L.Yan+,AAP, 585, 102, 2016HIP55592 in T.Bensby+,AAP, 562, A71, 2014
taken from 6 paper(s):
/T.Gehren et al.(2006)/
/H.L.Yan et al.(2016)/
/B.E.Reddy et al.(2006)/
/T.Bensby et al.(2014)/
/P.E.Nissen and W. J. Schuster(2010)/
/P. E. Nissen and W. J. Schuster(2011)/
Na, Mg and Al abundances as a population discriminant for nearby metal-poor stars
Stellar Parameters
| Teff : 5900 | log g : 4.30+-0.20 | vturb : 1.4 |
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 |
|---|
| Na I | 2 | ... | -0.12 | ... | -0.84 | -0.04 | 5.40 | Na I |
| Mg I | 6 | ... | -0.03 | ... | -0.86 | -0.06 | 6.74 | Mg I |
| Al I | 1 | ... | -0.75 | ... | -1.54 | -0.74 | 4.91 | Al I |
| Fe | N/A | -0.81 | ... | ... | -0.80 | ... | 6.70 | Fe |
Position
| Right Ascension : 11 23 16.23 | Declination : +19 53 37.7 | 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 | FOCES | 40000 | 200 | 5400 | N/A |
Non-LTE analysis of copper abundances for the two distinct halo populations in the solar neighborhood
Stellar Parameters
| Teff : 5933 | log g : 4.28 | vturb : 1.4 |
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 | -0.94 | ... | ... | -0.94 | ... | 6.56 | Fe |
| Cu | N/A | ... | -0.38+-0.03 | ... | -1.30+-0.03 | -0.36+-0.03 | 2.89+-0.03 | Cu |
Position
| Right Ascension : 11 23 16.23 | Declination : +19 53 37.7 | 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 | FIESNOT | 40000 | 140-200 | N/A | N/A |
Elemental abundance survey of the Galactic thick disc
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 | ... | 0.39 | ... | -0.47 | 0.52 | 7.96 | C |
| O | N/A | ... | 0.59 | ... | -0.31 | 0.68 | 8.38 | O |
| Na | N/A | ... | 0.08 | ... | -0.83 | 0.16 | 5.41 | Na |
| Mg | N/A | ... | 0.31 | ... | -0.69 | 0.30 | 6.91 | Mg |
| Al | N/A | ... | 0.21 | ... | -0.90 | 0.09 | 5.55 | Al |
| Si | N/A | ... | 0.18 | ... | -0.65 | 0.34 | 6.86 | Si |
| Ca | N/A | ... | 0.15 | ... | -0.80 | 0.19 | 5.54 | Ca |
| Sc | N/A | ... | -0.01 | ... | -0.86 | 0.13 | 2.29 | Sc |
| Ti | N/A | ... | 0.15 | ... | -0.84 | 0.15 | 4.11 | Ti |
| V | N/A | ... | 0.11 | ... | -0.76 | 0.23 | 3.17 | V |
| Cr | N/A | ... | -0.11 | ... | -1.01 | -0.02 | 4.63 | Cr |
| Mn | N/A | ... | -0.42 | ... | -1.42 | -0.43 | 4.01 | Mn |
| Fe I | N/A | -0.94 | ... | ... | -0.99 | ... | 6.51 | Fe I |
| Co | N/A | ... | -0.02 | ... | -1.02 | -0.03 | 3.97 | Co |
| Ni | N/A | ... | -0.05 | ... | -0.98 | 0.01 | 5.24 | Ni |
| Cu | N/A | ... | -0.34 | ... | -1.28 | -0.29 | 2.91 | Cu |
| Zn | N/A | ... | 0.17 | ... | -0.86 | 0.13 | 3.70 | Zn |
| Y | N/A | ... | 0.09 | ... | -0.94 | 0.05 | 1.27 | Y |
| Ba | N/A | ... | 0.13 | ... | -0.79 | 0.20 | 1.39 | Ba |
| Ce | N/A | ... | 0.12 | ... | -0.82 | 0.17 | 0.76 | Ce |
| Eu | N/A | ... | 0.4 | ... | -0.45 | 0.54 | 0.07 | Eu |
Binary Parameters
Position
| Right Ascension : 11 23 16.23 | Declination : +19 53 37.7 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2004-06 | N/A | MCDONALD | 60000 | 100-200 | N/A | 97.2 |
Exploring the Milky Way stellar disk. A detailed elemental abundance study of 714 F and G dwarf stars in the solar neighbourhood
Stellar Parameters
| Teff : 5995+-65 | log g : 4.14+-0.10 | vturb : 1.50+-0.15 |
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 |
|---|
| O | 3 | ... | 0.55+-0.13 | ... | -0.50+-0.13 | 0.57+-0.13 | 8.19+-0.13 | O |
| Na | 4 | ... | -0.05+-0.04 | ... | -1.14+-0.04 | -0.07+-0.04 | 5.10+-0.04 | Na |
| Mg | 4 | ... | 0.30+-0.06 | ... | -0.79+-0.06 | 0.28+-0.06 | 6.81+-0.06 | Mg |
| Al | 2 | ... | 0.00+-0.03 | ... | -1.10+-0.03 | -0.03+-0.03 | 5.35+-0.03 | Al |
| Si | 26 | ... | 0.15+-0.03 | ... | -0.87+-0.03 | 0.20+-0.03 | 6.64+-0.03 | Si |
| Ca | 17 | ... | 0.24+-0.05 | ... | -0.81+-0.05 | 0.26+-0.05 | 5.53+-0.05 | Ca |
| Ti | 22 | -0.87+-0.07 | 0.15+-0.07 | ... | -0.92+-0.07 | 0.15+-0.07 | 4.03+-0.07 | Ti |
| Cr | 12 | ... | 0.02+-0.08 | ... | -1.00+-0.08 | 0.07+-0.08 | 4.64+-0.08 | Cr |
| Fe | 181 | -1.02+-0.05 | ... | ... | -1.07+-0.05 | ... | 6.43+-0.05 | Fe |
| Fe I | 161 | ... | ... | 6.54 | -0.96 | ... | 6.54 | Fe I |
| Fe II | 20 | ... | ... | 6.54 | -0.96 | ... | 6.54 | Fe II |
| Ni | 35 | ... | -0.10+-0.05 | ... | -1.11+-0.05 | -0.04+-0.05 | 5.11+-0.05 | Ni |
| Zn | 3 | ... | 0.10+-0.07 | ... | -0.88+-0.07 | 0.19+-0.07 | 3.68+-0.07 | Zn |
| Y | 5 | ... | -0.03+-0.13 | ... | -1.05+-0.13 | 0.02+-0.13 | 1.16+-0.13 | Y |
| Ba | 3 | ... | -0.09+-0.11 | ... | -1.12+-0.11 | -0.05+-0.11 | 1.06+-0.11 | Ba |
Position
| Right Ascension : 11 23 16.23 | Declination : +19 53 37.7 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2006-04-01 | N/A | MIKELCO | 65000 | 250 | N/A | N/A |
Two distinct halo populations in the solar neighborhood. Evidence from stellar abundance ratios and kinematics
Stellar Parameters
| Teff : 5933 | log g : 4.28 | vturb : 1.4 |
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 |
|---|
| Na | N/A | ... | -0.06 | ... | -0.91 | 0.03 | 5.33 | Na |
| Mg | N/A | ... | 0.19 | ... | -0.77 | 0.17 | 6.83 | Mg |
| Si | N/A | ... | 0.19 | ... | -0.71 | 0.23 | 6.80 | Si |
| Ca | N/A | ... | 0.25 | ... | -0.67 | 0.27 | 5.67 | Ca |
| Ti | N/A | ... | 0.17 | ... | -0.70 | 0.24 | 4.25 | Ti |
| Cr | N/A | ... | -0.02 | ... | -0.93 | 0.01 | 4.71 | Cr |
| Fe | N/A | -0.94 | ... | ... | -0.94 | ... | 6.56 | Fe |
| Ni | N/A | ... | -0.08 | ... | -0.99 | -0.05 | 5.23 | Ni |
Position
| Right Ascension : 11 23 16.23 | Declination : +19 53 37.7 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2008-05-18-2116 | N/A | FIESNOT | 40000 | 175 | N/A | 99 |
Two distinct halo populations in the solar neighborhood II. Evidence from stellar abundances of Mn, Cu, Zn, Y, and Ba
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 |
|---|
| Mn | N/A | ... | -0.27 | ... | -1.25 | -0.31 | 4.18 | Mn |
| Fe | N/A | -0.94 | ... | ... | -0.94 | ... | 6.56 | Fe |
| Cu | N/A | ... | -0.31 | ... | -1.23 | -0.29 | 2.96 | Cu |
| Zn | N/A | ... | 0.01 | ... | -0.89 | 0.05 | 3.67 | Zn |
| Y | N/A | ... | -0.05 | ... | -0.96 | -0.02 | 1.25 | Y |
| Ba | N/A | ... | -0.02 | ... | -1.01 | -0.07 | 1.17 | Ba |
Position
| Right Ascension : 11 23 16.23 | Declination : +19 53 37.7 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2008-05-18-2116 | N/A | FIESNOT | 40000 | 175 | N/A | 99 |