SDSSJ153346+155701

taken from 1 paper(s):

/E.Caffau et al.(2013)/


E.Caffau et al.,AAP, 560, A15, 2013(ADS)

X-shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars


Stellar Parameters

Teff : 6375 log g : 4.0 vturb : 1.5

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
Mg3-3.28+-0.13......-3.30+-0.130.04+-0.134.30+-0.13Mg
Ca I1-3.26+-0.19......-3.24+-0.190.10+-0.193.10+-0.19Ca I
Ca II3-2.40+-0.24......-2.38+-0.240.96+-0.243.96+-0.24Ca II
FeN/A-3.34......-3.34...4.16Fe

Binary Parameters

Binarity Negative
Vrad 309

Position

Right Ascension : 15 33 46.28 Declination : +15 57 01.8 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2012-07-10 N/A VLTXSH 12000 47 3690 309