HIP54639

taken from 1 paper(s):

/E.M.O'Malley et al.(2017)/

E.M.O'Malley et al.,ApJ, 838, 90, 2017(ADS)

A Differential Abundance Analysis of Very Metal-poor Stars


Stellar Parameters

Teff : 4900 log g : 4.30 vturb : 1.70

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
Ca IN/A...0.33+-0.07...-2.15+-0.070.35+-0.074.19+-0.07Ca I
Fe IN/A-2.50+-0.07......-2.50+-0.07...5.00+-0.07Fe I
Fe IIN/A-2.46+-0.19......-2.46+-0.19...5.04+-0.19Fe II

Binary Parameters

Vrad +63.4

Position

Right Ascension : 11 11 00.00 Declination : +06 25 11.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2009-05-25 N/A MIKELCO 55000 145.80 N/A +63.4