HE1052-2548

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 : 6534 log g : 4.52 vturb : 1.57

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...0.51+-0.266.61+-0.22-1.82+-0.220.47+-0.266.61+-0.22CH
Mg I1...0.16+-0.235.45+-0.17-2.15+-0.170.14+-0.235.45+-0.17Mg I
Al I1...-0.48+-0.253.70+-0.21-2.75+-0.21-0.46+-0.253.70+-0.21Al I
Ca I7...0.27+-0.244.34+-0.19-2.00+-0.190.29+-0.244.34+-0.19Ca I
Sc II2...0.27+-0.251.14+-0.22-2.01+-0.220.28+-0.251.14+-0.22Sc II
Ti9...0.45+-0.243.17+-0.20-1.78+-0.200.51+-0.243.17+-0.20Ti
Cr I3...-0.12+-0.223.26+-0.18-2.38+-0.18-0.09+-0.223.26+-0.18Cr I
Mn I3...-0.48+-0.232.62+-0.19-2.81+-0.19-0.52+-0.232.62+-0.19Mn I
Fe35...0.00+-0.225.21+-0.17-2.29+-0.170.00+-0.225.21+-0.17Fe
Co I1...0.25+-0.252.88+-0.21-2.11+-0.210.18+-0.252.88+-0.21Co I
Ni I1...0.03+-0.223.99+-0.19-2.23+-0.190.06+-0.223.99+-0.19Ni I
Sr2...0.26+-0.280.93+-0.27-1.94+-0.270.35+-0.280.93+-0.27Sr
Ba II1...0.88+-0.250.71+-0.23-1.47+-0.230.82+-0.250.71+-0.23Ba II

Position

Right Ascension : 10 55 20.54 Declination : -26 04 48.0 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 93 N/A 230.4

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-1.760.536.76-1.670.626.76C
FeN/A-2.29......-2.29...5.21Fe

Position

Right Ascension : 10 55 20.54 Declination : -26 04 48.0 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 : 6534 log g : 4.52 vturb : 1.57

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...0.51...-1.650.476.78C
FeN/A-2.29......-2.12...5.38Fe
ThN/A...<2.26<0.06<0.00<2.12<0.06Th

Position

Right Ascension : 10 55 20.54 Declination : -26 04 48.0 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