HE0054-0657

taken from 3 paper(s):

/P.S.Barklem et al.(2005)/ /L.Zhang et al.(2011)/ /J.Ren et al.(2012)/

P.S.Barklem et al.,AAP, 439, 129, 2005(ADS)

The Hamburg/ESO R-process enhanced star survey (HERES). II. Spectroscopic analysis of the survey sample


Stellar Parameters

Teff : 5908 log g : 4.40 vturb : 1.56

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
CH1...0.29+-0.266.68+-0.23-1.75+-0.230.25+-0.266.68+-0.23CH
Mg I3...0.23+-0.245.81+-0.17-1.79+-0.170.21+-0.245.81+-0.17Mg I
Al I1...-0.80+-0.273.67+-0.24-2.78+-0.24-0.78+-0.273.67+-0.24Al I
Ca I7...0.10+-0.254.47+-0.20-1.87+-0.200.13+-0.254.47+-0.20Ca I
Sc II2...-0.11+-0.281.06+-0.23-2.09+-0.23-0.09+-0.281.06+-0.23Sc II
Ti7...0.15+-0.263.17+-0.21-1.78+-0.210.22+-0.263.17+-0.21Ti
Cr I3...0.01+-0.253.69+-0.24-1.95+-0.240.05+-0.253.69+-0.24Cr I
Mn I3...-0.39+-0.243.00+-0.21-2.43+-0.21-0.43+-0.243.00+-0.21Mn I
Fe39...0.00+-0.225.50+-0.18-2.00+-0.180.00+-0.225.50+-0.18Fe
Co I3...0.21+-0.263.13+-0.22-1.86+-0.220.14+-0.263.13+-0.22Co I
Ni I3...0.07+-0.264.32+-0.25-1.90+-0.250.10+-0.264.32+-0.25Ni I
Sr2...-0.05+-0.290.92+-0.27-1.95+-0.270.05+-0.290.92+-0.27Sr
Ba II1...-0.08+-0.290.05+-0.25-2.13+-0.25-0.13+-0.290.05+-0.25Ba II

Position

Right Ascension : 00 57 20.78 Declination : -06 40 59.3 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 32 N/A 51.3

L.Zhang et al.,AAP, 528, A92, 2011(ADS)

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
CN/A-1.750.256.77-1.660.346.77C
FeN/A-2.00......-2.00...5.50Fe

Position

Right Ascension : 00 57 20.78 Declination : -06 40 59.3 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

J.Ren et al.,AAP, 537, A118, 2012(ADS)

The Hamburg/ESO R-process Enhanced Star survey (HERES). VII. Thorium abundances in metal-poor stars


Stellar Parameters

Teff : 5908 log g : 4.40 vturb : 1.56

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
CN/A...0.29...-1.580.256.85C
FeN/A-2.00......-1.83...5.67Fe
ThN/A...<1.93<0.02<-0.04<1.79<0.02Th

Position

Right Ascension : 00 57 20.78 Declination : -06 40 59.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-10-07 N/A VLT 20000 30-50 N/A N/A