HE0312-5200

taken from 1 paper(s):

/J.G.Cohen et al.(2013)/


J.G.Cohen et al.,ApJ, 778, 56, 2013(ADS)

Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2


Stellar Parameters

Teff : 5204+-100 log g : 2.6+-0.25 vturb : 1.8+-0.2

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
CHN/A...0.26...-2.690.475.74CH
Na I2...0.11+-0.23...-2.92+-0.230.24+-0.233.32+-0.23Na I
Mg I4...0.22+-0.16...-2.95+-0.160.21+-0.164.65+-0.16Mg I
Al I1...-0.37...-3.46-0.302.99Al I
Si I2...0.56+-0.02...-2.51+-0.020.65+-0.025.00+-0.02Si I
K I1...0.73...-2.290.872.74K I
Ca I7...0.29+-0.12...-2.80+-0.120.36+-0.123.54+-0.12Ca I
Sc II3...0.3+-0.09...-2.86+-0.090.30+-0.090.29+-0.09Sc II
Ti I5...0.37+-0.11...-2.70+-0.110.46+-0.112.25+-0.11Ti I
Ti II13...0.33+-0.13...-2.74+-0.130.42+-0.132.21+-0.13Ti II
Cr I5...-0.47+-0.16...-3.55+-0.16-0.39+-0.162.09+-0.16Cr I
Mn I2...-0.85+-0.05...-4.00+-0.05-0.84+-0.051.43+-0.05Mn I
Fe IN/A-3.11+-0.2......-3.16+-0.2...4.34+-0.2Fe I
Fe II5-3.13+-0.16-0.02+-0.16...-3.18+-0.16-0.02+-0.164.32+-0.16Fe II
Co I3...0.57+-0.19...-2.61+-0.190.55+-0.192.38+-0.19Co I
Ni I1...0.15...-2.930.233.29Ni I
Sr II2...-1.2+-0.07...-4.28+-0.07-1.12+-0.07-1.41+-0.07Sr II
Ba II1...-0.98...-4.14-0.98-1.96Ba II

Binary Parameters

Vrad -2.4

Position

Right Ascension : 03 13 56.50 Declination : -51 49 02.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-10 N/A MIKELCO 42000 71 5620 -2.4