HE0454-4758
taken from 3 paper(s):
/P.S.Barklem et al.(2005)/
/L.Zhang et al.(2011)/
/I.U.Roederer et al.(2014)/
The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample
Stellar Parameters
Teff : 5388 | log g : 3.33 | vturb : 1.49 |
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 | ... | 0.44+-0.27 | 5.72+-0.25 | -2.71+-0.25 | 0.39+-0.27 | 5.72+-0.25 | CH |
Mg I | 4 | ... | 0.29+-0.26 | 4.77+-0.20 | -2.83+-0.20 | 0.27+-0.26 | 4.77+-0.20 | Mg I |
Al I | 1 | ... | -0.94+-0.26 | 2.43+-0.24 | -4.02+-0.24 | -0.92+-0.26 | 2.43+-0.24 | Al I |
Ca I | 6 | ... | 0.28+-0.25 | 3.54+-0.20 | -2.80+-0.20 | 0.30+-0.25 | 3.54+-0.20 | Ca I |
Sc II | 2 | ... | 0.11+-0.25 | 0.18+-0.23 | -2.97+-0.23 | 0.13+-0.25 | 0.18+-0.23 | Sc II |
Ti | 10 | ... | 0.32+-0.24 | 2.24+-0.21 | -2.71+-0.21 | 0.39+-0.24 | 2.24+-0.21 | Ti |
Cr I | 2 | ... | -0.35+-0.23 | 2.22+-0.21 | -3.42+-0.21 | -0.32+-0.23 | 2.22+-0.21 | Cr I |
Mn I | 3 | ... | -0.70+-0.23 | 1.59+-0.21 | -3.84+-0.21 | -0.74+-0.23 | 1.59+-0.21 | Mn I |
Fe | 39 | ... | 0.00+-0.22 | 4.40+-0.18 | -3.10+-0.18 | 0.00+-0.22 | 4.40+-0.18 | Fe |
Co I | 5 | ... | 0.33+-0.24 | 2.15+-0.21 | -2.84+-0.21 | 0.26+-0.24 | 2.15+-0.21 | Co I |
Ni I | 4 | ... | 0.07+-0.23 | 3.22+-0.21 | -3.00+-0.21 | 0.10+-0.23 | 3.22+-0.21 | Ni I |
Sr | 2 | ... | -0.36+-0.28 | -0.49+-0.28 | -3.36+-0.28 | -0.26+-0.28 | -0.49+-0.28 | Sr |
Y II | 1 | ... | -0.11+-0.26 | -0.97+-0.24 | -3.18+-0.24 | -0.08+-0.26 | -0.97+-0.24 | Y II |
Ba II | 1 | ... | -0.69+-0.26 | -1.66+-0.23 | -3.84+-0.23 | -0.74+-0.26 | -1.66+-0.23 | Ba II |
Position
Right Ascension : 04 55 26.71 | Declination : -47 53 41.8 | 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 | 20000 | 77 | N/A | 240.5 |
The Hamburg/ESO R-process Enhanced Star survey (HERES). VI. The Galactic chemical evolution of silicon
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 | -2.65 | 0.45 | 5.87 | -2.56 | 0.54 | 5.87 | C |
Fe | N/A | -3.10 | ... | ... | -3.10 | ... | 4.40 | Fe |
Position
Right Ascension : 04 55 26.71 | Declination : -47 53 41.8 | 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 | 20000 | N/A | N/A | N/A |
A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS
Stellar Parameters
Teff : 5140+-40 | log g : 2.4+-0.18 | vturb : 1.35+-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 | ... | ... | 0.95 | -2.31 | 1.07 | 0.95 | Li I |
CH | 1 | ... | 0.27+-0.25 | 5.38 | -3.05 | 0.33+-0.25 | 5.38 | CH |
NH | 1 | ... | 0.20+-0.36 | 4.71 | -3.12 | 0.26+-0.36 | 4.71 | NH |
O I | 3 | ... | <1.09 | <6.40 | <-2.29 | <1.09 | <6.40 | O I |
Na I | 1 | ... | -0.12+-0.17 | 2.74 | -3.50 | -0.12+-0.17 | 2.74 | Na I |
Mg I | 7 | ... | 0.54+-0.15 | 4.76 | -2.84 | 0.54+-0.15 | 4.76 | Mg I |
Al I | 1 | ... | -0.79+-0.21 | 2.28 | -4.17 | -0.79+-0.21 | 2.28 | Al I |
Ca I | 12 | ... | 0.46+-0.17 | 3.42 | -2.92 | 0.46+-0.17 | 3.42 | Ca I |
Sc II | 6 | ... | -0.21+-0.16 | -0.38 | -3.53 | -0.15+-0.16 | -0.38 | Sc II |
Ti I | 6 | ... | 0.31+-0.15 | 1.88 | -3.07 | 0.31+-0.15 | 1.88 | Ti I |
Ti II | 19 | ... | 0.14+-0.15 | 1.77 | -3.18 | 0.20+-0.15 | 1.77 | Ti II |
V I | 1 | ... | 0.05+-0.22 | 0.60 | -3.33 | 0.05+-0.22 | 0.60 | V I |
Cr I | 6 | ... | -0.22+-0.16 | 2.04 | -3.60 | -0.22+-0.16 | 2.04 | Cr I |
Mn I | 3 | ... | -0.44+-0.14 | 1.61 | -3.82 | -0.44+-0.14 | 1.61 | Mn I |
Mn II | 4 | ... | -0.42+-0.21 | 1.69 | -3.74 | -0.36+-0.21 | 1.69 | Mn II |
Fe I | 111 | -3.38+-0.15 | ... | 4.12 | -3.38+-0.15 | ... | 4.12 | Fe I |
Fe II | 6 | -3.32+-0.16 | ... | 4.18 | -3.32+-0.16 | ... | 4.18 | Fe II |
Co I | 6 | ... | 0.12+-0.19 | 1.73 | -3.26 | 0.12+-0.19 | 1.73 | Co I |
Ni I | 7 | ... | 0.13+-0.21 | 2.97 | -3.25 | 0.13+-0.21 | 2.97 | Ni I |
Zn I | 2 | ... | <0.74 | <1.92 | <-2.64 | <0.74 | <1.92 | Zn I |
Rb I | 1 | ... | <2.76 | <1.90 | <-0.46 | <2.92 | <1.90 | Rb I |
Sr II | 2 | ... | -0.42+-0.17 | -0.87 | -3.74 | -0.36+-0.17 | -0.87 | Sr II |
Y II | 2 | ... | -0.71+-0.25 | -1.81 | -4.02 | -0.64+-0.25 | -1.81 | Y II |
Nb II | 1 | ... | <2.36 | <0.50 | <-0.96 | <2.42 | <0.50 | Nb II |
Mo I | 1 | ... | <1.47 | <-0.03 | <-1.91 | <1.47 | <-0.03 | Mo I |
Ba II | 1 | ... | -0.94+-0.15 | -2.08 | -4.26 | -0.88+-0.15 | -2.08 | Ba II |
La II | 4 | ... | <0.44 | <-1.78 | <-2.88 | <0.50 | <-1.78 | La II |
Ce II | 4 | ... | <0.70 | <-1.04 | <-2.62 | <0.76 | <-1.04 | Ce II |
Pr II | 3 | ... | <1.02 | <-1.58 | <-2.30 | <1.08 | <-1.58 | Pr II |
Nd II | 5 | ... | <0.62 | <-1.28 | <-2.70 | <0.68 | <-1.28 | Nd II |
Sm II | 1 | ... | <1.34 | <-1.02 | <-1.98 | <1.40 | <-1.02 | Sm II |
Eu II | 4 | ... | <0.40 | <-2.40 | <-2.92 | <0.46 | <-2.40 | Eu II |
Gd II | 3 | ... | <1.48 | <-0.77 | <-1.84 | <1.54 | <-0.77 | Gd II |
Tb II | 4 | ... | <1.46 | <-1.56 | <-1.88 | <1.50 | <-1.56 | Tb II |
Dy II | 3 | ... | <0.76 | <-1.46 | <-2.56 | <0.82 | <-1.46 | Dy II |
Ho II | 1 | ... | <1.11 | <-1.73 | <-2.20 | <1.18 | <-1.73 | Ho II |
Er II | 3 | ... | <1.05 | <-1.35 | <-2.27 | <1.11 | <-1.35 | Er II |
Tm II | 2 | ... | <1.49 | <-1.73 | <-1.85 | <1.53 | <-1.73 | Tm II |
Yb II | 1 | ... | <0.23 | <-2.17 | <-3.09 | <0.29 | <-2.17 | Yb II |
Hf II | 2 | ... | <1.94 | <-0.53 | <-1.24 | <2.14 | <-0.53 | Hf II |
Pb I | 1 | ... | <2.08 | <0.74 | <-1.30 | <2.08 | <0.74 | Pb I |
Binary Parameters
Binarity | Negative |
Vrad | 240.2 |
Position
Right Ascension : 04 55 26.71 | Declination : -47 53 41.8 | Galactic Longitude (l) : N/A | Galactic Latitude (b) : N/A |
Observing Log
Date of Observation | JD | Facility | Resolution | S/N | Exposure Time | Vrad |
2008-09-11-09:35 | 2454720.9 | MIKELCO | 41000 | 85-195 | 3000 | 240.2 |