HE1225+0155

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 : 4842 log g : 1.80 vturb : 1.85

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...0.26+-0.285.90+-0.26-2.53+-0.260.22+-0.285.90+-0.26CH
Mg I6...0.46+-0.235.30+-0.18-2.30+-0.180.45+-0.235.30+-0.18Mg I
Al I1...-0.54+-0.253.18+-0.24-3.27+-0.24-0.52+-0.253.18+-0.24Al I
Ca I9...0.37+-0.253.98+-0.21-2.36+-0.210.39+-0.253.98+-0.21Ca I
Sc II5...0.14+-0.240.56+-0.22-2.59+-0.220.16+-0.240.56+-0.22Sc II
Ti17...0.30+-0.232.58+-0.21-2.37+-0.210.38+-0.232.58+-0.21Ti
V2...0.00+-0.231.26+-0.19-2.67+-0.190.08+-0.231.26+-0.19V
Cr I3...-0.25+-0.252.67+-0.26-2.97+-0.26-0.22+-0.252.67+-0.26Cr I
Mn I4...-0.48+-0.232.17+-0.21-3.26+-0.21-0.51+-0.232.17+-0.21Mn I
Fe54...0.00+-0.224.75+-0.18-2.75+-0.180.00+-0.224.75+-0.18Fe
Co I6...0.15+-0.242.32+-0.23-2.67+-0.230.08+-0.242.32+-0.23Co I
Ni I4...-0.18+-0.263.33+-0.26-2.89+-0.26-0.14+-0.263.33+-0.26Ni I
Zn I2...0.26+-0.252.11+-0.20-2.45+-0.200.30+-0.252.11+-0.20Zn I
Sr2...0.07+-0.260.30+-0.26-2.57+-0.260.18+-0.260.30+-0.26Sr
Y II6...-0.17+-0.24-0.67+-0.22-2.88+-0.22-0.13+-0.24-0.67+-0.22Y II
Zr II2...0.30+-0.240.16+-0.22-2.42+-0.220.33+-0.240.16+-0.22Zr II
Ba II1...-0.45+-0.25-1.07+-0.26-3.25+-0.26-0.50+-0.25-1.07+-0.26Ba II
Eu II3...0.25+-0.25-1.99+-0.23-2.51+-0.230.24+-0.25-1.99+-0.23Eu II

Position

Right Ascension : 12 28 04.75 Declination : +01 38 33.0 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 100 N/A 99.4

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-2.540.215.98-2.450.305.98C
FeN/A-2.75......-2.75...4.75Fe

Position

Right Ascension : 12 28 04.75 Declination : +01 38 33.0 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 : 4842 log g : 1.80 vturb : 1.85

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...0.26...-2.360.226.07C
FeN/A-2.75......-2.58...4.92Fe
EuN/A...0.25...-2.510.07-1.99Eu
ThN/A...<0.16<-2.50<-2.56<0.02<-2.50Th

Position

Right Ascension : 12 28 04.75 Declination : +01 38 33.0 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