HE2151-2858

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 : 5598 log g : 4.14 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...0.10+-0.266.11+-0.24-2.32+-0.240.06+-0.266.11+-0.24CH
Mg I4...0.37+-0.245.57+-0.18-2.03+-0.180.35+-0.245.57+-0.18Mg I
Al I1...-0.61+-0.273.48+-0.25-2.97+-0.25-0.59+-0.273.48+-0.25Al I
Ca I8...0.30+-0.244.28+-0.20-2.06+-0.200.32+-0.244.28+-0.20Ca I
Sc II3...0.06+-0.280.85+-0.23-2.30+-0.230.08+-0.280.85+-0.23Sc II
Ti10...0.27+-0.242.91+-0.19-2.04+-0.190.34+-0.242.91+-0.19Ti
Cr I3...-0.12+-0.243.17+-0.22-2.47+-0.22-0.09+-0.243.17+-0.22Cr I
Mn I2...-0.53+-0.252.48+-0.21-2.95+-0.21-0.57+-0.252.48+-0.21Mn I
Fe41...0.00+-0.225.12+-0.18-2.38+-0.180.00+-0.225.12+-0.18Fe
Co I4...0.10+-0.262.64+-0.22-2.35+-0.220.03+-0.262.64+-0.22Co I
Ni I3...-0.12+-0.253.75+-0.24-2.47+-0.24-0.09+-0.253.75+-0.24Ni I
Sr2...-0.29+-0.290.31+-0.26-2.56+-0.26-0.18+-0.290.31+-0.26Sr
Ba II1...-0.26+-0.29-0.50+-0.24-2.68+-0.24-0.30+-0.29-0.50+-0.24Ba II

Position

Right Ascension : 21 54 01.58 Declination : -28 44 20.0 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 42 N/A -89.7

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-2.160.226.36-2.070.316.36C
FeN/A-2.38......-2.38...5.12Fe

Position

Right Ascension : 21 54 01.58 Declination : -28 44 20.0 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 : 5598 log g : 4.14 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...0.10...-2.150.066.28C
FeN/A-2.38......-2.21...5.29Fe
ThN/A...<1.86<-0.43<-0.49<1.72<-0.43Th

Position

Right Ascension : 21 54 01.58 Declination : -28 44 20.0 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