HE0450-4705

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 : 5429 log g : 3.34 vturb : 1.49

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...0.84+-0.276.14+-0.25-2.29+-0.250.81+-0.276.14+-0.25CH
Mg I4...0.22+-0.264.70+-0.21-2.90+-0.210.20+-0.264.70+-0.21Mg I
Al I1...-0.86+-0.302.51+-0.26-3.94+-0.26-0.84+-0.302.51+-0.26Al I
Ca I3...0.21+-0.253.48+-0.20-2.86+-0.200.24+-0.253.48+-0.20Ca I
Sc II1...-0.01+-0.260.06+-0.23-3.09+-0.230.01+-0.260.06+-0.23Sc II
Ti7...0.24+-0.242.16+-0.20-2.79+-0.200.31+-0.242.16+-0.20Ti
Cr I3...-0.24+-0.232.34+-0.21-3.30+-0.21-0.20+-0.232.34+-0.21Cr I
Mn I2...-0.25+-0.232.04+-0.21-3.39+-0.21-0.29+-0.232.04+-0.21Mn I
Fe34...0.00+-0.224.40+-0.18-3.10+-0.180.00+-0.224.40+-0.18Fe
Co I4...0.31+-0.252.13+-0.22-2.86+-0.220.24+-0.252.13+-0.22Co I
Ni I4...0.36+-0.243.52+-0.23-2.70+-0.230.40+-0.243.52+-0.23Ni I
Sr2...-0.48+-0.29-0.61+-0.29-3.48+-0.29-0.38+-0.29-0.61+-0.29Sr

Position

Right Ascension : 04 51 33.57 Declination : -47 00 03.9 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 48 N/A -6.3

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-2.160.946.36-2.071.036.36C
FeN/A-3.10......-3.10...4.40Fe

Position

Right Ascension : 04 51 33.57 Declination : -47 00 03.9 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 : 5429 log g : 3.34 vturb : 1.49

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...0.84...-2.130.806.30C
FeN/A-3.10......-2.93...4.57Fe
ThN/A...<2.01<-1.00<-1.06<1.87<-1.00Th

Position

Right Ascension : 04 51 33.57 Declination : -47 00 03.9 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