HE0256-1109

taken from 3 paper(s):

/N.Christlieb et al.(2004)/ /P.S.Barklem et al.(2005)/ /L.Zhang et al.(2011)/

N.Christlieb et al.,AAP, 428, 1027, 2004 (A0021,ADS)

The Hamburg/ESO R-process Enhanced Star survey (HERES)


Stellar Parameters

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-11-23-020028 N/A N/A 20000 15 1200
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : -105801 Right Ascension : 025910.1

P.S.Barklem et al.,AAP, 439, 129, 2005 (A0052,ADS)

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


Stellar Parameters

Teff : 5891 log g : 4.04 vturb : 1.69

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...0.67+-0.286.33+-0.26-2.10+-0.260.63+-0.286.33+-0.26CH
Mg I1...0.47+-0.245.32+-0.19-2.28+-0.190.45+-0.245.32+-0.19Mg I
Ca I1...0.25+-0.253.89+-0.20-2.45+-0.200.28+-0.253.89+-0.20Ca I
Fe5...0.00+-0.224.77+-0.18-2.73+-0.180.00+-0.224.77+-0.18Fe

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 20000 16 N/A -132.3
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

L.Zhang et al.,AAP, 528, A92, 2011 (A0253,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-1.990.746.53-1.900.836.53C
FeN/A-2.73......-2.73...4.77Fe

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 20000 N/A N/A N/A
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A