HD25704
Original Names
CD-57_806 in E.Caffau+,AAP, 441, 533, 2005HIP18802 in T.Bensby+,AAP, 562, A71, 2014
taken from 7 paper(s):
/K.Jonsell et al.(2005)/
/R.G.Gratton et al.(2003)/
/R.Smiljanic et al.(2009)/
/C.J.Hansen et al.(2012)/
/H.L.Yan et al.(2016)/
/P.E.Nissen and W. J. Schuster(2010)/
/P. E. Nissen and W. J. Schuster(2011)/
Chemical abundances in 43 metal-poor stars
Stellar Parameters
| Teff : 5758 | log g : 4.16 | 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 |
|---|
| O I | N/A | ... | 0.54 | ... | -0.46 | 0.51 | 8.23 | O I |
| Na I | N/A | ... | 0.16 | ... | -0.72 | 0.25 | 5.52 | Na I |
| Mg I | N/A | ... | 0.33 | ... | -0.66 | 0.31 | 6.94 | Mg I |
| Al I | N/A | ... | 0.32 | ... | -0.63 | 0.34 | 5.82 | Al I |
| Si I | N/A | ... | 0.20 | ... | -0.73 | 0.24 | 6.78 | Si I |
| Ca I | N/A | ... | 0.19 | ... | -0.76 | 0.21 | 5.58 | Ca I |
| V I | N/A | ... | 0.06 | ... | -0.84 | 0.13 | 3.09 | V I |
| Cr I | N/A | ... | 0.13 | ... | -0.81 | 0.16 | 4.83 | Cr I |
| Fe | N/A | -0.97 | ... | ... | -0.97 | ... | 6.53 | Fe |
| Fe II | N/A | ... | -0.01 | ... | -0.98 | -0.01 | 6.52 | Fe II |
| Ni I | N/A | ... | 0.04 | ... | -0.90 | 0.07 | 5.32 | Ni I |
| Ba II | N/A | ... | -0.24 | ... | -1.26 | -0.29 | 0.92 | Ba II |
Position
| Right Ascension : 04 01 44.60 | Declination : -57 12 25.0 | 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 | CATCESESO | 60000 | 200 | N/A | N/A |
Abundances for metal-poor stars with accurate parallaxes I. Basic data
Stellar Parameters
| Teff : 5792 | log g : 4.2 | vturb : 0.65 |
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 I | N/A | ... | 0.56+-0.069 | ... | -0.28+-0.069 | 0.64+-0.069 | 8.41+-0.069 | O I |
| Na I | N/A | ... | 0.14+-0.054 | ... | -0.80+-0.054 | 0.12+-0.054 | 5.44+-0.054 | Na I |
| Mg I | N/A | ... | 0.31+-0.055 | ... | -0.77+-0.055 | 0.15+-0.055 | 6.83+-0.055 | Mg I |
| Si I | N/A | ... | 0.19+-0.048 | ... | -0.70+-0.048 | 0.22+-0.048 | 6.81+-0.048 | Si I |
| Ca I | N/A | ... | 0.25+-0.033 | ... | -0.73+-0.033 | 0.19+-0.033 | 5.61+-0.033 | Ca I |
| Ti I | N/A | ... | 0.13+-0.03 | ... | -0.66+-0.03 | 0.26+-0.03 | 4.29+-0.03 | Ti I |
| Ti II | N/A | ... | 0.1+-0.048 | ... | -0.69+-0.048 | 0.23+-0.048 | 4.26+-0.048 | Ti II |
| Fe I | N/A | -0.91+-0.051 | ... | ... | -0.92+-0.051 | ... | 6.58+-0.051 | Fe I |
| Fe II | N/A | -1.01+-0.066 | ... | ... | -1.02+-0.066 | ... | 6.48+-0.066 | Fe II |
Binary Parameters
Position
| Right Ascension : 04 01 44.60 | Declination : -57 12 25.0 | 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 | VLT | 50000 | 200 | N/A | 52 |
Beryllium abundances and star formation in the halo and in the thick disk
Stellar Parameters
| Teff : 5886 | log g : 4.22 | vturb : 1.38 |
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 | ... | ... | 1.89 | -1.37 | -0.52 | 1.89 | Li |
| Be | N/A | ... | ... | 0.59 | -0.79 | 0.06 | 0.59 | Be |
| Fe | N/A | -0.85 | ... | ... | -0.85 | ... | 6.65 | Fe |
Position
| Right Ascension : 04 01 44.60 | Declination : -57 12 25.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Silver and palladium help unveil the nature of a second r-process
Stellar Parameters
| Teff : 5700+-100 | log g : 4.18+-0.25 | vturb : 1.0+-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 | -1.12+-0.15 | ... | ... | -1.12+-0.15 | ... | 6.38+-0.15 | Fe |
| Sr | N/A | ... | 0.30+-0.11 | ... | -0.82+-0.11 | 0.30+-0.11 | 2.05+-0.11 | Sr |
| Y | N/A | ... | -0.05+-0.12 | ... | -1.17+-0.12 | -0.05+-0.12 | 1.04+-0.12 | Y |
| Zr | N/A | ... | -0.02+-0.17 | ... | -1.14+-0.17 | -0.02+-0.17 | 1.44+-0.17 | Zr |
| Pd | N/A | ... | 0.07+-0.21 | ... | -1.05+-0.21 | 0.07+-0.21 | 0.52+-0.21 | Pd |
| Ag | N/A | ... | 0.09+-0.26 | ... | -1.29+-0.26 | -0.17+-0.26 | -0.09+-0.26 | Ag |
| Ba | N/A | ... | 0.21+-0.15 | ... | -0.91+-0.15 | 0.21+-0.15 | 1.27+-0.15 | Ba |
| Eu | N/A | ... | 0.48+-0.17 | ... | -0.64+-0.17 | 0.48+-0.17 | -0.12+-0.17 | Eu |
Position
| Right Ascension : 04 01 44.60 | Declination : -57 12 25.0 | 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 | VLT | 40000 | >100 | N/A | N/A |
Non-LTE analysis of copper abundances for the two distinct halo populations in the solar neighborhood
Stellar Parameters
| Teff : 5868 | log g : 4.26 | 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 | -0.85 | ... | ... | -0.85 | ... | 6.65 | Fe |
| Cu | N/A | ... | -0.17+-0.01 | ... | -1.00+-0.01 | -0.15+-0.01 | 3.19+-0.01 | Cu |
Position
| Right Ascension : 04 01 44.60 | Declination : -57 12 25.0 | 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 | VLT | 55000 | 250-500 | N/A | N/A |
Two distinct halo populations in the solar neighborhood. Evidence from stellar abundance ratios and kinematics
Stellar Parameters
| Teff : 5868 | log g : 4.26 | 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 | ... | 0.08 | ... | -0.68 | 0.17 | 5.56 | Na |
| Mg | N/A | ... | 0.32 | ... | -0.55 | 0.30 | 7.05 | Mg |
| Si | N/A | ... | 0.25 | ... | -0.56 | 0.29 | 6.95 | Si |
| Ca | N/A | ... | 0.22 | ... | -0.61 | 0.24 | 5.73 | Ca |
| Ti | N/A | ... | 0.19 | ... | -0.59 | 0.26 | 4.36 | Ti |
| Cr | N/A | ... | -0.01 | ... | -0.83 | 0.02 | 4.81 | Cr |
| Fe | N/A | -0.85 | ... | ... | -0.85 | ... | 6.65 | Fe |
| Ni | N/A | ... | 0.00 | ... | -0.82 | 0.03 | 5.40 | Ni |
Position
| Right Ascension : 04 01 44.60 | Declination : -57 12 25.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2001-11-28-0824 | N/A | VLT | 55000 | 500 | N/A | 56 |
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 | ... | -0.22 | ... | -1.11 | -0.26 | 4.32 | Mn |
| Fe | N/A | -0.85 | ... | ... | -0.85 | ... | 6.65 | Fe |
| Cu | N/A | ... | -0.13 | ... | -0.96 | -0.11 | 3.23 | Cu |
| Zn | N/A | ... | 0.07 | ... | -0.74 | 0.11 | 3.82 | Zn |
| Y | N/A | ... | -0.13 | ... | -0.95 | -0.10 | 1.26 | Y |
| Ba | N/A | ... | -0.22 | ... | -1.12 | -0.27 | 1.06 | Ba |
Position
| Right Ascension : 04 01 44.60 | Declination : -57 12 25.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2001-11-28-0824 | N/A | VLT | 55000 | 500 | N/A | 56 |