BD+04_2621
taken from 5 paper(s):
/J.A.Johnson(2002)/
/J.A.Johnson and M. Bolte(2002)/
/J.A.Johnson and M. Bolte(2001)/
/M.Ishigaki et al.(2010)/
/M.N.Ishigaki et al.(2012)/
ABUNDANCES OF 30 ELEMENTS IN 23 METAL-POOR STARS
Stellar Parameters
| Teff : 4650 | log g : 1.20 | vturb : 1.80 |
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 | 4 | ... | ... | 5.49+-0.18 | -2.11+-0.18 | 0.39+-0.18 | 5.49+-0.18 | Mg I |
| Al I | 1 | ... | ... | 3.58+-0.26 | -2.87+-0.26 | -0.37+-0.26 | 3.58+-0.26 | Al I |
| Si I | 1 | ... | ... | 5.69+-0.27 | -1.82+-0.27 | 0.68+-0.27 | 5.69+-0.27 | Si I |
| Ca I | 5 | ... | ... | 4.18+-0.09 | -2.16+-0.09 | 0.34+-0.09 | 4.18+-0.09 | Ca I |
| Sc II | 7 | ... | ... | 0.71+-0.14 | -2.44+-0.14 | 0.06+-0.14 | 0.71+-0.14 | Sc II |
| Ti I | 20 | ... | ... | 2.64+-0.14 | -2.31+-0.14 | 0.19+-0.14 | 2.64+-0.14 | Ti I |
| Ti II | 17 | ... | ... | 2.83+-0.13 | -2.12+-0.13 | 0.38+-0.13 | 2.83+-0.13 | Ti II |
| V I | 5 | ... | ... | 1.39+-0.15 | -2.54+-0.15 | -0.04+-0.15 | 1.39+-0.15 | V I |
| V II | 2 | ... | ... | 1.68+-0.10 | -2.25+-0.10 | 0.25+-0.10 | 1.68+-0.10 | V II |
| Cr I | 9 | ... | ... | 3.01+-0.13 | -2.63+-0.13 | -0.13+-0.13 | 3.01+-0.13 | Cr I |
| Cr II | 2 | ... | ... | 3.45+-0.07 | -2.19+-0.07 | 0.31+-0.07 | 3.45+-0.07 | Cr II |
| Mn I | 4 | ... | ... | 2.60+-0.10 | -2.83+-0.10 | -0.33+-0.10 | 2.60+-0.10 | Mn I |
| Mn II | 3 | ... | ... | 2.89+-0.21 | -2.54+-0.21 | -0.04+-0.21 | 2.89+-0.21 | Mn II |
| Fe I | 69 | ... | ... | 5.00+-0.17 | -2.50+-0.17 | ... | 5.00+-0.17 | Fe I |
| Fe II | 18 | ... | ... | 4.99+-0.09 | -2.51+-0.09 | ... | 4.99+-0.09 | Fe II |
| Co I | 5 | ... | ... | 2.53+-0.17 | -2.46+-0.17 | 0.04+-0.17 | 2.53+-0.17 | Co I |
| Ni I | 14 | ... | ... | 3.78+-0.22 | -2.44+-0.22 | 0.06+-0.22 | 3.78+-0.22 | Ni I |
| Y II | 10 | ... | ... | -0.69+-0.14 | -2.90+-0.14 | -0.40+-0.14 | -0.69+-0.14 | Y II |
| Zr II | 9 | ... | ... | 0.03+-0.08 | -2.55+-0.08 | -0.05+-0.08 | 0.03+-0.08 | Zr II |
| Ba II | 1 | ... | ... | -1.21+-0.23 | -3.39+-0.23 | -0.89+-0.23 | -1.21+-0.23 | Ba II |
| La II | 3 | ... | ... | -2.27+-0.13 | -3.37+-0.13 | -0.87+-0.13 | -2.27+-0.13 | La II |
| Pr II | N/A | ... | ... | <-1.30 | <-2.02 | <0.48 | <-1.30 | Pr II |
| Nd II | 2 | ... | ... | -1.45+-0.18 | -2.87+-0.18 | -0.37+-0.18 | -1.45+-0.18 | Nd II |
| Eu II | 1 | ... | ... | -2.61+-0.23 | -3.13+-0.23 | -0.63+-0.23 | -2.61+-0.23 | Eu II |
| Tb II | N/A | ... | ... | <-1.86 | <-2.18 | <0.32 | <-1.86 | Tb II |
| Ho II | N/A | ... | ... | <-2.01 | <-2.48 | <0.02 | <-2.01 | Ho II |
| Er II | 1 | ... | ... | -2.09+-0.14 | -3.01+-0.14 | -0.51+-0.14 | -2.09+-0.14 | Er II |
| Tm II | N/A | ... | ... | <-1.88 | <-2.00 | <0.50 | <-1.88 | Tm II |
| Yb II | 1 | ... | ... | -2.49+-0.22 | -3.41+-0.22 | -0.91+-0.22 | -2.49+-0.22 | Yb II |
| Os I | N/A | ... | ... | <-0.56 | <-1.96 | <0.54 | <-0.56 | Os I |
Position
| Right Ascension : 12 28 44.60 | Declination : +04 01 27.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 1997-05-12 | N/A | KECKHIRES | 45000 | 350 | 611 | N/A |
| 1997-06-20 | N/A | KECKHIRES | 45000 | N/A | 2400 | N/A |
The r-Process in the Early Galaxy
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 | -2.51 | ... | ... | -2.34 | ... | 5.16 | Fe |
| Sr II | N/A | ... | ... | 0.18+-0.30 | -2.69+-0.30 | -0.35+-0.30 | 0.18+-0.30 | Sr II |
| Y II | N/A | ... | ... | -0.69+-0.14 | -2.90+-0.14 | -0.56+-0.14 | -0.69+-0.14 | Y II |
| Zr II | N/A | ... | ... | 0.03+-0.08 | -2.55+-0.08 | -0.21+-0.08 | 0.03+-0.08 | Zr II |
| Pd I | N/A | ... | ... | <-0.41 | <-1.98 | <0.36 | <-0.41 | Pd I |
| Ba II | N/A | ... | ... | -1.21+-0.23 | -3.39+-0.23 | -1.05+-0.23 | -1.21+-0.23 | Ba II |
Position
| Right Ascension : 12 28 44.60 | Declination : +04 01 27.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 1997-05-12 | N/A | KECKHIRES | 45000 | 350 | 611 | N/A |
| 1997-06-20 | N/A | KECKHIRES | 45000 | N/A | 2400 | N/A |
Th Ages for Metal-poor Stars
Stellar Parameters
| Teff : 4650 | log g : 1.20 | vturb : 1.80 |
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 I | 69 | -2.52+-0.17 | ... | ... | -2.35+-0.17 | ... | 5.15+-0.17 | Fe I |
| Fe II | 18 | -2.53+-0.09 | ... | ... | -2.36+-0.09 | ... | 5.14+-0.09 | Fe II |
| Ba II | 1 | ... | -0.82+-0.23 | ... | -3.39+-0.23 | -1.04+-0.23 | -1.21+-0.23 | Ba II |
| La II | 3 | ... | -0.96+-0.13 | ... | -3.36+-0.13 | -1.01+-0.13 | -2.26+-0.13 | La II |
| Pr II | N/A | ... | <0.51 | ... | <-2.02 | <0.33 | <-1.30 | Pr II |
| Nd II | 2 | ... | -0.42+-0.18 | ... | -2.86+-0.18 | -0.51+-0.18 | -1.44+-0.18 | Nd II |
| Eu II | 1 | ... | -0.59+-0.23 | ... | -3.12+-0.23 | -0.77+-0.23 | -2.60+-0.23 | Eu II |
| Tb II | N/A | ... | <0.33 | ... | <-2.18 | <0.17 | <-1.86 | Tb II |
| Ho II | N/A | ... | <0.01 | ... | <-2.48 | <-0.13 | <-2.01 | Ho II |
| Er II | 1 | ... | -0.49+-0.14 | ... | -3.00+-0.14 | -0.65+-0.14 | -2.08+-0.14 | Er II |
| Tm II | N/A | ... | <0.51 | ... | <-2.00 | <0.35 | <-1.88 | Tm II |
| Yb II | 1 | ... | -1.05+-0.22 | ... | -3.54+-0.22 | -1.19+-0.22 | -2.62+-0.22 | Yb II |
| Os I | N/A | ... | <0.51 | ... | <-1.96 | <0.39 | <-0.56 | Os I |
| Th II | N/A | ... | <-0.60 | ... | <-3.10 | <-0.75 | <-3.04 | Th II |
Isotopic Ratio
Position
| Right Ascension : 12 28 44.60 | Declination : +04 01 27.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 1997-05-12 | N/A | KECKHIRES | 45000 | 350 | 611 | N/A |
| 1997-06-20 | N/A | KECKHIRES | 45000 | N/A | 2400 | N/A |
Chemical Abundances of Outer Halo Stars in the Milky Way
Stellar Parameters
| Teff : 4453+-18 | log g : 0.90 | vturb : 1.92 |
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 | N/A | -2.89+-0.06 | -0.21+-0.06 | ... | -2.80+-0.06 | -0.11+-0.06 | 3.44+-0.06 | Na I |
| Mg I | N/A | -2.09+-0.08 | 0.59+-0.09 | ... | -2.11+-0.08 | 0.58+-0.09 | 5.49+-0.08 | Mg I |
| Ca I | N/A | -2.29+-0.02 | 0.40+-0.03 | ... | -2.27+-0.02 | 0.42+-0.03 | 4.07+-0.02 | Ca I |
| Ti | N/A | ... | 0.21+-0.03 | ... | -2.41+-0.03 | 0.28+-0.03 | 2.54+-0.03 | Ti |
| Ti I | 7 | -2.59+-0.03 | ... | ... | -2.52+-0.03 | 0.17+-0.03 | 2.43+-0.03 | Ti I |
| Ti II | 4 | -2.28+-0.04 | ... | ... | -2.21+-0.04 | 0.48+-0.04 | 2.74+-0.04 | Ti II |
| Cr | N/A | ... | -0.27+-0.02 | ... | -2.93+-0.02 | -0.24+-0.02 | 2.71+-0.02 | Cr |
| Cr I | 5 | -3.02+-0.02 | ... | ... | -2.99+-0.02 | -0.30+-0.02 | 2.65+-0.02 | Cr I |
| Cr II | 1 | -2.59+-0.05 | ... | ... | -2.56+-0.05 | 0.13+-0.05 | 3.08+-0.05 | Cr II |
| Mn I | N/A | -3.18+-0.02 | 0.03+-0.03 | ... | -3.22+-0.02 | -0.53+-0.03 | 2.21+-0.02 | Mn I |
| Fe I | 49 | -2.69+-0.01 | ... | ... | -2.69+-0.01 | ... | 4.81+-0.01 | Fe I |
| Fe II | 5 | -2.67+-0.03 | ... | ... | -2.67+-0.03 | ... | 4.83+-0.03 | Fe II |
| Ni I | N/A | -2.68+-0.06 | -0.00+-0.06 | ... | -2.65+-0.06 | 0.04+-0.06 | 3.57+-0.06 | Ni I |
| Zn I | N/A | -2.54+-0.07 | 0.15+-0.07 | ... | -2.50+-0.07 | 0.19+-0.07 | 2.06+-0.07 | Zn I |
| Y II | N/A | -3.16+-0.06 | -0.48+-0.06 | ... | -3.13+-0.06 | -0.44+-0.06 | -0.92+-0.06 | Y II |
| Ba II | N/A | -3.74+-0.05 | -1.06+-0.05 | ... | -3.79+-0.05 | -1.10+-0.05 | -1.61+-0.05 | Ba II |
Position
| Right Ascension : 12 28 44.60 | Declination : +04 01 27.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
| Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
|---|
| 2008-07-27 | N/A | SUBARUHDS | 50000 | 312 | 2700 | -41.2+-0.2 |
Chemical Abundances of the Milky Way Thick Disk and Stellar Halo. I. Implications of [alpha/Fe] for Star Formation Histories in Their Progenitors
Stellar Parameters
| Teff : 4754+-100 | log g : 1.63+-0.3 | vturb : 1.72+-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 |
|---|
| Mg | N/A | ... | 0.30+-0.09 | ... | -2.07+-0.09 | 0.30+-0.09 | 5.53+-0.09 | Mg |
| Ca | N/A | ... | 0.32+-0.09 | ... | -2.05+-0.09 | 0.32+-0.09 | 4.29+-0.09 | Ca |
| Ti I | N/A | ... | 0.20+-0.08 | ... | -2.17+-0.08 | 0.20+-0.08 | 2.78+-0.08 | Ti I |
| Ti II | N/A | ... | 0.30+-0.09 | ... | -2.07+-0.09 | 0.30+-0.09 | 2.88+-0.09 | Ti II |
| Fe I | N/A | -2.37+-0.16 | ... | ... | -2.37+-0.16 | ... | 5.13+-0.16 | Fe I |
| Fe II | N/A | -2.41+-0.12 | ... | ... | -2.41+-0.12 | ... | 5.09+-0.12 | Fe II |
Binary Parameters
Position
| Right Ascension : 12 28 44.60 | Declination : +04 01 27.0 | 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 | N/A | SUBARUHDS | 50000 | N/A | N/A | -40.0+-0.3 |