HE1221-0522

taken from 2 paper(s):

/P.S.Barklem et al.(2005)/ /L.Zhang et al.(2011)/


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 : 5789 log g : 4.04 vturb : 1.29

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...0.53+-0.266.08+-0.24-2.35+-0.240.49+-0.266.08+-0.24CH
Mg I2...0.45+-0.235.19+-0.18-2.41+-0.180.43+-0.235.19+-0.18Mg I
Al I1...-0.67+-0.262.96+-0.23-3.49+-0.23-0.65+-0.262.96+-0.23Al I
Ca I5...0.47+-0.253.99+-0.20-2.35+-0.200.49+-0.253.99+-0.20Ca I
Sc II1...0.14+-0.270.47+-0.24-2.68+-0.240.16+-0.270.47+-0.24Sc II
Ti4...0.31+-0.252.49+-0.21-2.46+-0.210.38+-0.252.49+-0.21Ti
Cr I3...-0.22+-0.232.61+-0.20-3.03+-0.20-0.19+-0.232.61+-0.20Cr I
Mn I3...-0.57+-0.241.98+-0.20-3.45+-0.20-0.61+-0.241.98+-0.20Mn I
Fe32...0.00+-0.224.66+-0.17-2.84+-0.170.00+-0.224.66+-0.17Fe
Co I2...0.32+-0.252.41+-0.22-2.58+-0.220.26+-0.252.41+-0.22Co I
Ni I3...0.04+-0.243.45+-0.21-2.77+-0.210.07+-0.243.45+-0.21Ni I
Sr2...-0.46+-0.29-0.32+-0.27-3.19+-0.27-0.35+-0.29-0.32+-0.27Sr

Position

Right Ascension : 12 24 07.70 Declination : -05 39 11.3 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 44 N/A 48.6

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-2.260.586.26-2.170.676.26C
FeN/A-2.84......-2.84...4.66Fe

Position

Right Ascension : 12 24 07.70 Declination : -05 39 11.3 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