BD+09_2190
Original Names
BD+9_2190 in A.Hosford+,AAP, 493, 601, 2009G41-41 in M.Ishigaki+,PASJ, 62, 143, 2010
taken from 7 paper(s):
/E.Arnone et al.(2005)/
/M.Asplund et al.(2006)/
/C.Charbonnel and F. Primas(2005)/
/J.A.Rich and A. M. Boesgaard(2009)/
/J.Melendez et al.(2010)/
/C.J.Hansen et al.(2012)/
/R.Smiljanic et al.(2021)/
Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing
Stellar Parameters
| Teff : 6250 | log g : 3.6+-0.2 | vturb : 1.3 |
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 |
|---|
| Mg I | 3 | -2.61+-0.07 | 0.22+-0.07 | ... | -2.63+-0.07 | 0.20+-0.07 | 4.97+-0.07 | Mg I |
| Ca I | 3 | -2.51+-0.06 | ... | ... | -2.49+-0.06 | 0.34+-0.06 | 3.85+-0.06 | Ca I |
| Fe I | 10 | -2.83+-0.02 | ... | ... | -2.83+-0.02 | ... | 4.67+-0.02 | Fe I |
| Fe II | 2 | -2.87+-0.07 | ... | ... | -2.87+-0.07 | ... | 4.63+-0.07 | Fe II |
Position
| Right Ascension : 09 29 15.56 | Declination : +08 38 00.5 | 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 | ANGLO | 40000 | >100 | N/A | N/A |
Lithium Isotopic Abundances in Metal-poor Halo Stars
Stellar Parameters
| Teff : 6392 | log g : 4.09 | vturb : 1.5 |
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 |
|---|
| Li | N/A | ... | ... | 2.13+-0.01 | -1.13+-0.01 | 1.53+-0.01 | 2.13+-0.01 | Li |
| O | N/A | -2.22 | ... | ... | -2.17 | 0.49 | 6.52 | O |
| Fe | N/A | -2.66 | ... | ... | -2.66 | ... | 4.84 | Fe |
Isotopic Ratio
Binary Parameters
Position
| Right Ascension : 09 29 15.56 | Declination : +08 38 00.5 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2002-02-05-0425 | N/A | VLT | 120000 | 400 | 90 | 266.6 |
| 2002-02-06-0516 | N/A | VLT | 120000 | 400 | 90 | 266.0 |
The lithium content of the Galactic Halo stars
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 |
|---|
| Li I | N/A | ... | ... | 2.181+0.031-0.033 | -1.08+0.031-0.033 | 1.80+0.031-0.033 | 2.181+0.031-0.033 | Li I |
| Fe | N/A | -2.88+-0.040 | ... | ... | -2.88+-0.040 | ... | 4.62+-0.040 | Fe |
Position
| Right Ascension : 09 29 15.56 | Declination : +08 38 00.5 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
BERYLLIUM, OXYGEN, AND IRON ABUNDANCES IN EXTREMELY METAL-DEFICIENT STARS
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 |
|---|
| Be II | N/A | ... | ... | -1.22+-0.11 | -2.60+-0.11 | 0.40+-0.11 | -1.22+-0.11 | Be II |
| OH | N/A | -2.38+-0.14 | ... | ... | -2.20+-0.14 | 0.80+-0.14 | 6.49+-0.14 | OH |
| Fe | N/A | -3+-0.09 | ... | ... | -3.00+-0.09 | ... | 4.50+-0.09 | Fe |
Position
| Right Ascension : 09 29 15.56 | Declination : +08 38 00.5 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2005-01-31 | N/A | KECKHIRES | 48000 | 110 | 7200 | N/A |
Observational evidence for a broken Li Spite plateau and mass-dependent Li depletion
Stellar Parameters
| Teff : 6479+-50 | log g : 4.01 |
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 |
|---|
| Li | N/A | ... | ... | 2.18+-0.035 | -1.08+-0.035 | 1.56+-0.035 | 2.18+-0.035 | Li |
| Fe | N/A | -2.64 | ... | ... | -2.64 | ... | 4.86 | Fe |
Position
| Right Ascension : 09 29 15.56 | Declination : +08 38 00.5 | 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 | N/A | FIESNOT | 35000 | N/A | N/A | N/A |
Silver and palladium help unveil the nature of a second r-process
Stellar Parameters
| Teff : 6450+-100 | log g : 4.00+-0.25 | vturb : 1.5+-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 |
|---|
| Fe | N/A | -2.60+-0.15 | ... | ... | -2.60+-0.15 | ... | 4.90+-0.15 | Fe |
| Y | N/A | ... | -0.28+-0.17 | ... | -2.88+-0.17 | -0.28+-0.17 | -0.67+-0.17 | Y |
| Zr | N/A | ... | -0.02+-0.14 | ... | -2.62+-0.14 | -0.02+-0.14 | -0.04+-0.14 | Zr |
| Pd | N/A | ... | 0.72+-0.27 | ... | -1.88+-0.27 | 0.72+-0.27 | -0.31+-0.27 | Pd |
Position
| Right Ascension : 09 29 15.56 | Declination : +08 38 00.5 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Inhomogeneity in the early Galactic chemical enrichment exposed by beryllium abundances in extremely metal-poor stars
Stellar Parameters
| Teff : 6480+-130 | log g : 4.16+-0.05 |
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 |
|---|
| Be | N/A | ... | ... | -13.2 | -14.58 | -11.88 | -13.2 | Be |
| Fe | N/A | -2.70+-0.08 | ... | ... | -2.70+-0.08 | ... | 4.80+-0.08 | Fe |
Position
| Right Ascension : 09 29 15.57 | Declination : +08 38 00.30 | 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 | N/A | VLT | N/A | 170 | N/A | N/A |