HE2234-0521

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 : 5332 log g : 3.15 vturb : 1.39

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...0.36+-0.265.97+-0.25-2.46+-0.250.32+-0.265.97+-0.25CH
Mg I5...0.32+-0.255.13+-0.19-2.47+-0.190.31+-0.255.13+-0.19Mg I
Al I1...-1.09+-0.262.60+-0.24-3.85+-0.24-1.07+-0.262.60+-0.24Al I
Ca I6...0.30+-0.253.88+-0.20-2.46+-0.200.32+-0.253.88+-0.20Ca I
Sc II3...0.19+-0.250.58+-0.23-2.57+-0.230.21+-0.250.58+-0.23Sc II
Ti9...0.30+-0.242.54+-0.22-2.41+-0.220.37+-0.242.54+-0.22Ti
Cr I3...-0.39+-0.242.50+-0.23-3.14+-0.23-0.36+-0.242.50+-0.23Cr I
Mn I3...-0.69+-0.231.92+-0.21-3.51+-0.21-0.73+-0.231.92+-0.21Mn I
Fe39...0.00+-0.224.72+-0.18-2.78+-0.180.00+-0.224.72+-0.18Fe
Co I5...0.29+-0.252.44+-0.22-2.55+-0.220.23+-0.252.44+-0.22Co I
Ni I4...0.09+-0.223.56+-0.21-2.66+-0.210.12+-0.223.56+-0.21Ni I
Sr2...-0.30+-0.31-0.11+-0.32-2.98+-0.32-0.20+-0.31-0.11+-0.32Sr
Ba II1...-0.84+-0.26-1.49+-0.24-3.67+-0.24-0.89+-0.26-1.49+-0.24Ba II

Position

Right Ascension : 22 36 37.71 Declination : -05 06 05.2 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 34 N/A -177.8

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-2.360.426.16-2.270.516.16C
FeN/A-2.78......-2.78...4.72Fe

Position

Right Ascension : 22 36 37.71 Declination : -05 06 05.2 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 : 5332 log g : 3.15 vturb : 1.39

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...0.36...-2.290.326.14C
FeN/A-2.78......-2.61...4.89Fe
ThN/A...<1.76<-0.93<-0.99<1.62<-0.93Th

Position

Right Ascension : 22 36 37.71 Declination : -05 06 05.2 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