HE1424-0241
taken from 3 paper(s):
/J.G.Cohen et al.(2007)/
/J.G.Cohen et al.(2008)/
/J.G.Cohen et al.(2013)/
A New Type of Extremely Metal-poor Star
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 |
CH | CH | <-3.33 | <0.62 | <5.26 | <-3.17 | <0.84 | <5.26 | CH |
NH | NH | <-2.83 | <1.12 | <5.10 | <-2.73 | <1.28 | <5.10 | NH |
Na I | 2 | -3.80+-0.07 | 0.15+-0.07 | 2.52+-0.07 | -3.72+-0.07 | 0.29+-0.07 | 2.52+-0.07 | Na I |
Mg I | 3 | -3.51+-0.12 | 0.44+-0.12 | 4.03+-0.12 | -3.57+-0.12 | 0.44+-0.12 | 4.03+-0.12 | Mg I |
Al I | 2 | -4.73+-0.15 | -0.78+-0.15 | 1.75+-0.15 | -4.70+-0.15 | -0.69+-0.15 | 1.75+-0.15 | Al I |
Si I | 1 | -4.96 | -1.01 | 2.59 | -4.92 | -0.91 | 2.59 | Si I |
Ca I | 1 | -4.52 | -0.58 | 1.84 | -4.50 | -0.49 | 1.84 | Ca I |
Ca II | 1 | -4.26 | -0.31 | 2.10 | -4.24 | -0.23 | 2.10 | Ca II |
Sc II | 1 | -4.05 | -0.10 | -0.95 | -4.10 | -0.09 | -0.95 | Sc II |
Ti II | 8 | -4.14+-0.17 | -0.17+-0.17 | 0.85+-0.17 | -4.10+-0.17 | -0.09+-0.17 | 0.85+-0.17 | Ti II |
V II | 1 | <-3.36 | <0.59 | <0.64 | <-3.29 | <0.72 | <0.64 | V II |
Cr I | 5 | -4.34+-0.09 | -0.38+-0.09 | 1.33+-0.09 | -4.31+-0.09 | -0.30+-0.09 | 1.33+-0.09 | Cr I |
Mn I | 2 | -3.80+-0.02 | 0.15+-0.02 | 1.59+-0.02 | -3.84+-0.02 | 0.17+-0.02 | 1.59+-0.02 | Mn I |
Mn II | 2 | -3.70+-0.13 | 0.25+-0.13 | 1.69+-0.13 | -3.74+-0.13 | 0.27+-0.13 | 1.69+-0.13 | Mn II |
Fe I | 39 | -3.96+-0.18 | 0.00+-0.18 | 3.49+-0.18 | -4.01+-0.18 | 0.00+-0.18 | 3.49+-0.18 | Fe I |
Fe II | 4 | -3.87+-0.22 | 0.09+-0.22 | 3.58+-0.22 | -3.92+-0.22 | 0.09+-0.22 | 3.58+-0.22 | Fe II |
Co I | 4 | -2.94+-0.21 | 1.01+-0.21 | 1.98+-0.21 | -3.01+-0.21 | 1.00+-0.21 | 1.98+-0.21 | Co I |
Ni I | 2 | -3.73+-0.01 | 0.22+-0.01 | 2.52+-0.01 | -3.70+-0.01 | 0.31+-0.01 | 2.52+-0.01 | Ni I |
Cu I | 1 | -4.62 | -0.67 | -0.41 | -4.60 | -0.59 | -0.41 | Cu I |
Sr II | 2 | <-5.65 | <-1.70 | <-2.75 | <-5.62 | <-1.61 | <-2.75 | Sr II |
Y II | 2 | <-3.70 | <0.25 | <-1.46 | <-3.67 | <0.34 | <-1.46 | Y II |
Ba II | 1 | -4.87 | -0.92 | -2.74 | -4.92 | -0.91 | -2.74 | Ba II |
Eu II | 1 | <-2.46 | <1.49 | <-1.95 | <-2.47 | <1.54 | <-1.95 | Eu II |
Position
Right Ascension : 14 26 40.30 | Declination : -02 54 28.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2004-05 | N/A | KECKHIRES | 35000 | N/A | 3600 | N/A |
2006-04 | N/A | KECKHIRES | 35000 | N/A | 6000 | N/A |
New Extremely Metal-Poor Stars in the Galactic Halo
Stellar Parameters
Teff : 5193 | log g : 2.50 | vturb : 1.8 |
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 | 1 | ... | <0.63 | <5.26 | <-3.17 | <0.84 | <5.26 | CH |
NH | 1 | ... | <1.13 | <5.10 | <-2.73 | <1.28 | <5.10 | NH |
Na I | 2 | ... | -0.04+-0.07 | 2.32+-0.07 | -3.92+-0.07 | 0.09+-0.07 | 2.32+-0.07 | Na I |
Mg I | 3 | ... | 0.45+-0.12 | 4.03+-0.12 | -3.57+-0.12 | 0.44+-0.12 | 4.03+-0.12 | Mg I |
Al I | 2 | ... | -0.16+-0.15 | 2.35+-0.15 | -4.10+-0.15 | -0.09+-0.15 | 2.35+-0.15 | Al I |
Si I | 1 | ... | -1.00 | 2.59 | -4.92 | -0.91 | 2.59 | Si I |
Ca I | 1 | ... | -0.56 | 1.84 | -4.50 | -0.49 | 1.84 | Ca I |
Ca II | 1 | ... | -0.30 | 2.10 | -4.24 | -0.23 | 2.10 | Ca II |
Sc II | 1 | ... | -0.08 | -0.94 | -4.09 | -0.08 | -0.94 | Sc II |
Ti II | 8 | ... | -0.17+-0.17 | 0.85+-0.17 | -4.10+-0.17 | -0.09+-0.17 | 0.85+-0.17 | Ti II |
V II | 1 | ... | <0.60 | <0.64 | <-3.29 | <0.72 | <0.64 | V II |
Cr I | 5 | ... | -0.38+-0.09 | 1.33+-0.09 | -4.31+-0.09 | -0.30+-0.09 | 1.33+-0.09 | Cr I |
Mn I | 2 | ... | -0.10+-0.02 | 1.33+-0.02 | -4.10+-0.02 | -0.09+-0.02 | 1.33+-0.02 | Mn I |
Mn II | 3 | ... | 0.19+-0.13 | 1.62+-0.13 | -3.81+-0.13 | 0.20+-0.13 | 1.62+-0.13 | Mn II |
Fe I | 39 | -3.96+-0.18 | ... | 3.49+-0.18 | -4.01+-0.18 | ... | 3.49+-0.18 | Fe I |
Fe II | 5 | -3.87+-0.19 | 0.09+-0.19 | 3.58+-0.19 | -3.92+-0.19 | 0.09+-0.19 | 3.58+-0.19 | Fe II |
Co I | 4 | ... | 1.03+-0.21 | 1.98+-0.21 | -3.01+-0.21 | 1.00+-0.21 | 1.98+-0.21 | Co I |
Ni I | 2 | ... | 0.24+-0.01 | 2.52+-0.01 | -3.70+-0.01 | 0.31+-0.01 | 2.52+-0.01 | Ni I |
Cu I | 1 | ... | -0.66 | -0.41 | -4.60 | -0.59 | -0.41 | Cu I |
Sr II | 2 | ... | <-1.69+-0.21 | <-2.75+-0.21 | <-5.62+-0.21 | <-1.61+-0.21 | <-2.75+-0.21 | Sr II |
Y II | 2 | ... | <0.26+-0.19 | <-1.46+-0.19 | <-3.67+-0.19 | <0.34+-0.19 | <-1.46+-0.19 | Y II |
Ba II | 1 | ... | -0.91 | -2.74 | -4.92 | -0.91 | -2.74 | Ba II |
Eu II | 1 | ... | <1.50 | <-1.95 | <-2.47 | <1.54 | <-1.95 | Eu II |
Dy II | 2 | ... | <1.56 | <-1.30 | <-2.40 | <1.61 | <-1.30 | Dy II |
Position
Right Ascension : 14 26 40.30 | Declination : -02 54 28.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
| 2453152.90 | KECKHIRES | 35000 | 90 | 6000 | +58.8+-0.6 |
| 2453844.96 | KECKHIRES | 35000 | 90 | 6000 | +60.4+-0.1 |
Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2
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 | 1 | ... | <0.66 | ... | <-3.27 | <0.87 | <5.16 | CH |
NH | 1 | ... | <1.16 | ... | <-2.83 | <1.31 | <5.00 | NH |
Na I | 2 | ... | 0.18+-0.08 | ... | -3.83+-0.08 | 0.31+-0.08 | 2.41+-0.08 | Na I |
Mg I | 3 | ... | 0.44+-0.14 | ... | -3.71+-0.14 | 0.43+-0.14 | 3.89+-0.14 | Mg I |
Al I | 2 | ... | -0.18+-0.15 | ... | -4.25+-0.15 | -0.11+-0.15 | 2.20+-0.15 | Al I |
Si I | 1 | ... | -1.01 | ... | -5.06 | -0.92 | 2.45 | Si I |
K I | 1 | ... | <1.14 | ... | <-2.86 | <1.28 | <2.17 | K I |
Ca I | 1 | ... | -0.57 | ... | -4.64 | -0.50 | 1.70 | Ca I |
Ca II | 1 | ... | -0.27 | ... | -4.34 | -0.20 | 2.00 | Ca II |
Sc II | 1 | ... | -0.05 | ... | -4.19 | -0.05 | -1.04 | Sc II |
Ti II | 8 | ... | -0.14+-0.17 | ... | -4.19+-0.17 | -0.05+-0.17 | 0.76+-0.17 | Ti II |
V II | 1 | ... | <0.62 | ... | <-3.40 | <0.74 | <0.53 | V II |
Cr I | 5 | ... | -0.38+-0.07 | ... | -4.44+-0.07 | -0.30+-0.07 | 1.20+-0.07 | Cr I |
Mn I | 2 | ... | -0.26+-0.02 | ... | -4.39+-0.02 | -0.25+-0.02 | 1.04+-0.02 | Mn I |
Mn II | 3 | ... | 0.23+-0.13 | ... | -3.90+-0.13 | 0.24+-0.13 | 1.53+-0.13 | Mn II |
Fe I | 40 | -4.09+-0.17 | ... | ... | -4.14+-0.17 | ... | 3.36+-0.17 | Fe I |
Fe II | 3 | -4.06+-0.23 | 0.03+-0.23 | ... | -4.11+-0.23 | 0.03+-0.23 | 3.39+-0.23 | Fe II |
Co I | 4 | ... | 1+-0.21 | ... | -3.16+-0.21 | 0.98+-0.21 | 1.83+-0.21 | Co I |
Ni I | 2 | ... | 0.22+-0.01 | ... | -3.84+-0.01 | 0.30+-0.01 | 2.38+-0.01 | Ni I |
Cu I | 1 | ... | -0.7 | ... | -4.77 | -0.63 | -0.58 | Cu I |
Sr II | 2 | ... | <-1.66 | ... | <-5.72 | <-1.58 | <-2.85 | Sr II |
Y II | 2 | ... | <0.29 | ... | <-3.77 | <0.37 | <-1.56 | Y II |
Ba II | 1 | ... | -0.87 | ... | -5.01 | -0.87 | -2.83 | Ba II |
Eu II | 1 | ... | <1.53 | ... | <-2.57 | <1.57 | <-2.05 | Eu II |
Dy II | 2 | ... | <1.57 | ... | <-2.52 | <1.62 | <-1.42 | Dy II |
Position
Right Ascension : 14 26 40.30 | Declination : -02 54 28.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2004-05 | N/A | KECKHIRES | 36000 | 70 | 3600 | 59.8 |
2006-04 | N/A | KECKHIRES | 36000 | 90 | 6000 | 60.4 |
2012-03 | N/A | KECKHIRES | 36000 | 135 | 3170 | 60.9 |