HE2238-4131

taken from 1 paper(s):

/T.Hansen et al.(2015)/


T.Hansen et al.,ApJ, 807, 173, 2015(ADS)

An Elemental Assay of Very, Extremely, and Ultra-metal-poor Stars


Stellar Parameters

Teff : 5200+-100 log g : 2.5+-0.3 vturb : 1.0+-0.3

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
LiN/A......<+0.30<-2.96...<+0.30Li

Isotopic Ratio

12C/13C 16

Binary Parameters

Vrad -42.0+-0.3

Position

Right Ascension : 22 41 22.60 Declination : -41 15 57.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2005-11-19 N/A VLT 45000 2-32 3600 -42.0+-0.3