CS22947-187
taken from 6 paper(s):
/A.McWilliam et al.(1995)/
/A.McWilliam et al.(1995)/
/J.A.Johnson et al.(2007)/
/T.Masseron et al.(2012)/
/I.U.Roederer et al.(2014)/
/K.A.Venn et al.(2004)/
A Spectroscopic Analysis of 33 of the Most Metal-Poor Stars.I.
Position
Right Ascension : 19 18 31.60 | Declination : -47 13 31.0 | 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 | FRUTTI | 22000 | N/A | N/A | N/A |
Spectroscopic Analysis of 33 of the Most Metal Poor Stars. II.
Stellar Parameters
Teff : 5160 | log g : 1.30+-0.25 | vturb : 2.26+-0.07 |
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 | ... | 1.03 | ... | -1.33 | 0.99 | 7.10 | C |
Na | N/A | ... | 0.52 | ... | -1.88 | 0.44 | 4.36 | Na |
Mg | N/A | ... | 0.52 | ... | -1.99 | 0.33 | 5.61 | Mg |
Ca | N/A | ... | 0.49 | ... | -1.98 | 0.34 | 4.36 | Ca |
Fe I | N/A | -2.49 | ... | ... | -2.32 | ... | 5.18 | Fe I |
Fe II | N/A | -2.50 | ... | ... | -2.33 | ... | 5.17 | Fe II |
Ni | N/A | ... | 0.22 | ... | -2.24 | 0.08 | 3.98 | Ni |
Sr | N/A | ... | 0.57 | ... | -1.89 | 0.43 | 0.98 | Sr |
Ba | N/A | ... | 1.18 | ... | -1.36 | 0.96 | 0.82 | Ba |
Eu | N/A | ... | 0.73 | ... | -1.77 | 0.55 | -1.25 | Eu |
Position
Right Ascension : 19 18 31.60 | Declination : -47 13 31.0 | 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 | FRUTTI | 22000 | N/A | N/A | N/A |
A Search for Nitrogen-enhanced Metal-poor Stars
Stellar Parameters
Teff : 5489 | log g : 3.44 | vturb : 1.47 |
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 | ... | +0.60+-0.30 | 6.91+-0.30 | -1.52+-0.30 | 0.71+-0.30 | 6.91+-0.30 | C |
N | N/A | ... | +0.55+-0.32 | 6.35+-0.31 | -1.48+-0.31 | 0.75+-0.32 | 6.35+-0.31 | N |
Ca I | N/A | -1.77 | ... | ... | -1.75 | 0.48 | 4.59 | Ca I |
Ca II | N/A | -1.95 | ... | ... | -1.93 | 0.30 | 4.41 | Ca II |
Fe | N/A | -2.25+-0.24 | ... | ... | -2.23+-0.24 | ... | 5.27+-0.24 | Fe |
Position
Right Ascension : 19 18 31.60 | Declination : -47 13 31.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2003-09-04 | N/A | RCCTIO | N/A | 117 | 3600 | N/A |
LITHIUM ABUNDANCES IN CARBON-ENHANCED METAL-POOR STARS
Stellar Parameters
Teff : 5200 | log g : 1.5 | vturb : 1.9 |
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 | ... | ... | <0.5 | <-2.76 | <-0.15 | <0.5 | Li |
C | N/A | ... | ... | 6.95+-0.05 | -1.48+-0.05 | 1.13+-0.05 | 6.95+-0.05 | C |
N | N/A | ... | ... | 7.00+-0.05 | -0.83+-0.05 | 1.78+-0.05 | 7.00+-0.05 | N |
O | N/A | ... | ... | 6.8+-0.2 | -1.89+-0.2 | 0.72+-0.2 | 6.8+-0.2 | O |
Na | N/A | ... | ... | 3.80+-0.05 | -2.44+-0.05 | 0.17+-0.05 | 3.80+-0.05 | Na |
Mg | N/A | ... | ... | 5.50+-0.05 | -2.10+-0.05 | 0.51+-0.05 | 5.50+-0.05 | Mg |
Fe | N/A | -2.56+-0.09 | ... | ... | -2.61+-0.09 | ... | 4.89+-0.09 | Fe |
Ba | N/A | ... | ... | 0.9+-0.1 | -1.28+-0.1 | 1.33+-0.1 | 0.9+-0.1 | Ba |
Eu | N/A | ... | ... | -1.4+-0.1 | -1.92+-0.1 | 0.69+-0.1 | -1.4+-0.1 | Eu |
Isotopic Ratio
Position
Right Ascension : 19 18 31.60 | Declination : -47 13 31.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2005-10-01 | N/A | VLT | 45000 | 100 | N/A | N/A |
A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS
Stellar Parameters
Teff : 5300+-52 | log g : 1.4+-0.37 | vturb : 1.85+-0.06 |
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 | 1 | ... | ... | <1.99 | <-1.27 | <1.31 | <1.99 | Li I |
CH | 1 | ... | 1.26+-0.25 | 7.10 | -1.33 | 1.25+-0.25 | 7.10 | CH |
NH | 1 | ... | 1.71+-0.36 | 6.95 | -0.88 | 1.70+-0.36 | 6.95 | NH |
O I | 3 | ... | 0.62+-0.17 | 6.73 | -1.96 | 0.62+-0.17 | 6.73 | O I |
Na I | 1 | ... | 0.16+-0.26 | 3.82 | -2.42 | 0.16+-0.26 | 3.82 | Na I |
Mg I | 7 | ... | 0.56+-0.17 | 5.58 | -2.02 | 0.56+-0.17 | 5.58 | Mg I |
Al I | 1 | ... | -0.58+-0.26 | 3.29 | -3.16 | -0.58+-0.26 | 3.29 | Al I |
Si I | 1 | ... | 0.80+-0.23 | 5.73 | -1.78 | 0.80+-0.23 | 5.73 | Si I |
Ca I | 11 | ... | 0.51+-0.19 | 4.27 | -2.07 | 0.51+-0.19 | 4.27 | Ca I |
Sc II | 5 | ... | 0.11+-0.14 | 0.68 | -2.47 | 0.11+-0.14 | 0.68 | Sc II |
Ti I | 14 | ... | 0.32+-0.17 | 2.68 | -2.27 | 0.31+-0.17 | 2.68 | Ti I |
Ti II | 23 | ... | 0.33+-0.15 | 2.69 | -2.26 | 0.32+-0.15 | 2.69 | Ti II |
V I | 1 | ... | 0.02+-0.20 | 1.37 | -2.56 | 0.02+-0.20 | 1.37 | V I |
V II | 2 | ... | 0.22+-0.24 | 1.57 | -2.36 | 0.22+-0.24 | 1.57 | V II |
Cr I | 8 | ... | -0.06+-0.17 | 3.00 | -2.64 | -0.06+-0.17 | 3.00 | Cr I |
Cr II | 3 | ... | 0.30+-0.15 | 3.35 | -2.29 | 0.29+-0.15 | 3.35 | Cr II |
Mn I | 6 | ... | -0.21+-0.17 | 2.64 | -2.79 | -0.21+-0.17 | 2.64 | Mn I |
Mn II | 1 | ... | -0.30+-0.20 | 2.55 | -2.88 | -0.30+-0.20 | 2.55 | Mn II |
Fe I | 90 | -2.58+-0.17 | ... | 4.92 | -2.58+-0.17 | ... | 4.92 | Fe I |
Fe II | 9 | -2.58+-0.15 | ... | 4.92 | -2.58+-0.15 | ... | 4.92 | Fe II |
Co I | 4 | ... | -0.05+-0.21 | 2.36 | -2.63 | -0.05+-0.21 | 2.36 | Co I |
Ni I | 8 | ... | 0.17+-0.22 | 3.81 | -2.41 | 0.17+-0.22 | 3.81 | Ni I |
Zn I | 2 | ... | 0.27+-0.17 | 2.25 | -2.31 | 0.27+-0.17 | 2.25 | Zn I |
Rb I | 1 | ... | <1.86 | <1.80 | <-0.56 | <2.02 | <1.80 | Rb I |
Sr II | 2 | ... | 0.29+-0.25 | 0.58 | -2.29 | 0.29+-0.25 | 0.58 | Sr II |
Y II | 5 | ... | -0.14+-0.16 | -0.51 | -2.72 | -0.14+-0.16 | -0.51 | Y II |
Zr II | 3 | ... | 0.34+-0.15 | 0.33 | -2.25 | 0.33+-0.15 | 0.33 | Zr II |
Mo I | 1 | ... | <1.45 | <0.75 | <-1.13 | <1.45 | <0.75 | Mo I |
Ba II | 4 | ... | 1.53+-0.17 | 1.13 | -1.05 | 1.53+-0.17 | 1.13 | Ba II |
La II | 4 | ... | 0.96+-0.15 | -0.52 | -1.62 | 0.96+-0.15 | -0.52 | La II |
Ce II | 5 | ... | 0.89+-0.15 | -0.12 | -1.70 | 0.88+-0.15 | -0.12 | Ce II |
Pr II | 3 | ... | 0.95+-0.15 | -0.91 | -1.63 | 0.95+-0.15 | -0.91 | Pr II |
Nd II | 5 | ... | 1.04+-0.15 | -0.12 | -1.54 | 1.04+-0.15 | -0.12 | Nd II |
Sm II | 2 | ... | 0.73+-0.16 | -0.90 | -1.86 | 0.72+-0.16 | -0.90 | Sm II |
Eu II | 4 | ... | 0.56+-0.16 | -1.51 | -2.03 | 0.55+-0.16 | -1.51 | Eu II |
Gd II | 2 | ... | 0.91+-0.18 | -0.60 | -1.67 | 0.91+-0.18 | -0.60 | Gd II |
Tb II | 1 | ... | 1.26+-0.29 | -1.02 | -1.34 | 1.24+-0.29 | -1.02 | Tb II |
Dy II | 2 | ... | 0.61+-0.17 | -0.87 | -1.97 | 0.61+-0.17 | -0.87 | Dy II |
Ho II | 1 | ... | 0.79+-0.19 | -1.31 | -1.78 | 0.80+-0.19 | -1.31 | Ho II |
Er II | 3 | ... | 1.00+-0.17 | -0.66 | -1.58 | 1.00+-0.17 | -0.66 | Er II |
Yb II | 1 | ... | 1.38+-0.25 | -0.28 | -1.20 | 1.38+-0.25 | -0.28 | Yb II |
Hf II | 2 | ... | 1.28+-0.19 | -0.45 | -1.16 | 1.42+-0.19 | -0.45 | Hf II |
Pb I | 1 | ... | 2.33+-0.16 | 1.79 | -0.25 | 2.33+-0.16 | 1.79 | Pb I |
Th II | 1 | ... | <1.22 | <-1.30 | <-1.36 | <1.22 | <-1.30 | Th II |
Binary Parameters
Binarity | Negative |
Vrad | -251.2 |
Position
Right Ascension : 19 18 31.60 | Declination : -47 13 31.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2006-08-03-01:07 | 2453950.551 | MIKELCO | 41000 | 75-110 | 1200 | -251.2 |
Stellar Chemical Signatures and Hierarchical Galaxy Formation
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 | ... | 0.52 | ... | -1.88 | 0.61 | 4.36 | Na |
Mg | N/A | ... | 0.52 | ... | -1.99 | 0.50 | 5.61 | Mg |
Ca | N/A | ... | 0.49 | ... | -1.98 | 0.51 | 4.36 | Ca |
Ti | N/A | ... | 0.36 | ... | -2.06 | 0.43 | 2.89 | Ti |
Fe | N/A | -2.49 | ... | ... | -2.49 | ... | 5.01 | Fe |
Ni | N/A | ... | 0.22 | ... | -2.24 | 0.25 | 3.98 | Ni |
Y | N/A | ... | 0.06 | ... | -2.40 | 0.09 | -0.19 | Y |
Ba | N/A | ... | 1.05 | ... | -1.49 | 1.00 | 0.69 | Ba |
Eu | N/A | ... | 0.73 | ... | -1.77 | 0.72 | -1.25 | Eu |
Position
Right Ascension : 19 18 31.60 | Declination : -47 13 31.0 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log