HE2311+0129

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 : 5188 log g : 2.65 vturb : 1.54

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...0.33+-0.275.94+-0.26-2.49+-0.260.29+-0.275.94+-0.26CH
Mg I6...0.31+-0.245.12+-0.18-2.48+-0.180.30+-0.245.12+-0.18Mg I
Al I1...-0.87+-0.262.82+-0.24-3.63+-0.24-0.85+-0.262.82+-0.24Al I
Ca I8...0.32+-0.253.90+-0.20-2.44+-0.200.34+-0.253.90+-0.20Ca I
Sc II4...0.16+-0.250.56+-0.23-2.59+-0.230.19+-0.250.56+-0.23Sc II
Ti15...0.28+-0.242.53+-0.21-2.42+-0.210.36+-0.242.53+-0.21Ti
Cr I3...-0.26+-0.242.63+-0.24-3.01+-0.24-0.23+-0.242.63+-0.24Cr I
Mn I3...-0.61+-0.232.00+-0.22-3.43+-0.22-0.65+-0.232.00+-0.22Mn I
Fe49...0.00+-0.224.72+-0.18-2.78+-0.180.00+-0.224.72+-0.18Fe
Co I6...0.21+-0.252.35+-0.22-2.64+-0.220.14+-0.252.35+-0.22Co I
Ni I4...0.03+-0.253.50+-0.26-2.72+-0.260.06+-0.253.50+-0.26Ni I
Sr2...0.09+-0.280.29+-0.28-2.58+-0.280.20+-0.280.29+-0.28Sr
Y II3...-0.10+-0.25-0.64+-0.23-2.85+-0.23-0.07+-0.25-0.64+-0.23Y II
Ba II1...-0.19+-0.26-0.84+-0.25-3.02+-0.25-0.24+-0.26-0.84+-0.25Ba II

Position

Right Ascension : 23 14 21.39 Declination : +01 45 24.3 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 58 N/A -149.0

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-2.500.286.02-2.410.376.02C
FeN/A-2.78......-2.78...4.72Fe

Position

Right Ascension : 23 14 21.39 Declination : +01 45 24.3 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 : 5188 log g : 2.65 vturb : 1.54

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...0.33...-2.320.296.11C
FeN/A-2.78......-2.61...4.89Fe
ThN/A...1.37-1.32-1.381.23-1.32Th

Position

Right Ascension : 23 14 21.39 Declination : +01 45 24.3 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