HE2153-2719

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 : 4898 log g : 2.01 vturb : 1.80

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...0.12+-0.276.02+-0.27-2.41+-0.270.08+-0.276.02+-0.27CH
Mg I6...0.36+-0.235.46+-0.18-2.14+-0.180.35+-0.235.46+-0.18Mg I
Al I1...-0.51+-0.253.47+-0.24-2.98+-0.24-0.49+-0.253.47+-0.24Al I
Ca I9...0.33+-0.244.20+-0.20-2.14+-0.200.35+-0.244.20+-0.20Ca I
Sc II4...0.14+-0.250.82+-0.23-2.33+-0.230.16+-0.250.82+-0.23Sc II
Ti17...0.24+-0.232.77+-0.21-2.18+-0.210.31+-0.232.77+-0.21Ti
V3...0.01+-0.231.52+-0.20-2.41+-0.200.08+-0.231.52+-0.20V
Cr I3...-0.08+-0.273.10+-0.28-2.54+-0.28-0.05+-0.273.10+-0.28Cr I
Mn I5...-0.41+-0.232.50+-0.20-2.93+-0.20-0.44+-0.232.50+-0.20Mn I
Fe54...0.00+-0.225.01+-0.18-2.49+-0.180.00+-0.225.01+-0.18Fe
Co I6...0.01+-0.242.44+-0.23-2.55+-0.23-0.06+-0.242.44+-0.23Co I
Ni I4...-0.15+-0.273.62+-0.28-2.60+-0.28-0.11+-0.273.62+-0.28Ni I
Zn I2...0.19+-0.252.31+-0.20-2.25+-0.200.24+-0.252.31+-0.20Zn I
Sr2...0.00+-0.250.48+-0.24-2.39+-0.240.10+-0.250.48+-0.24Sr
Y II6...-0.22+-0.26-0.46+-0.24-2.67+-0.24-0.18+-0.26-0.46+-0.24Y II
Zr II2...0.19+-0.250.30+-0.22-2.28+-0.220.21+-0.250.30+-0.22Zr II
Ba II1...-0.69+-0.26-1.05+-0.25-3.23+-0.25-0.74+-0.26-1.05+-0.25Ba II
La II1...-0.11+-0.26-1.42+-0.23-2.52+-0.23-0.03+-0.26-1.42+-0.23La II
Nd II2...-0.03+-0.26-1.01+-0.23-2.43+-0.230.06+-0.26-1.01+-0.23Nd II
Eu II3...0.21+-0.25-1.77+-0.22-2.29+-0.220.20+-0.25-1.77+-0.22Eu II

Position

Right Ascension : 21 56 04.08 Declination : -27 04 49.7 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 73 N/A -111.8

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-2.450.046.07-2.360.136.07C
FeN/A-2.49......-2.49...5.01Fe

Position

Right Ascension : 21 56 04.08 Declination : -27 04 49.7 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 : 4898 log g : 2.01 vturb : 1.80

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...0.12...-2.240.086.19C
FeN/A-2.49......-2.32...5.18Fe
EuN/A...0.21...-2.290.03-1.77Eu
ThN/A...<-0.41<-2.81<-2.87<-0.55<-2.81Th

Position

Right Ascension : 21 56 04.08 Declination : -27 04 49.7 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