HE2204-4034

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 : 6114+-100 log g : 3.8+-0.25 vturb : 1.7+-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...1...-1.821.216.61CH
O I3...<2.41...<-0.33<2.70<8.36O I
Na I2...-0.19+-0.12...-3.09+-0.12-0.06+-0.123.15+-0.12Na I
Mg I4...0.36+-0.17...-2.68+-0.170.35+-0.174.92+-0.17Mg I
Al I1...-0.33...-3.29-0.263.16Al I
Si I2...0.28+-0.49...-2.66+-0.490.37+-0.494.85+-0.49Si I
Ca I4...0.51+-0.24...-2.45+-0.240.58+-0.243.89+-0.24Ca I
Sc II2...0.07+-0.19...-2.96+-0.190.07+-0.190.19+-0.19Sc II
Ti I2...<0.99...<-1.95<1.08<3.00Ti I
Ti II11...0.34+-0.12...-2.60+-0.120.43+-0.122.35+-0.12Ti II
Cr I4...-0.19+-0.17...-3.14+-0.17-0.11+-0.172.50+-0.17Cr I
Mn I1...-0.6...-3.62-0.591.81Mn I
Fe IN/A-2.98+-0.15......-3.03+-0.15...4.47+-0.15Fe I
Fe II3-3.08+-0.11-0.1+-0.11...-3.13+-0.11-0.1+-0.114.37+-0.11Fe II
Co I1...0.37...-2.680.352.31Co I
Ni I1...-0.35...-3.30-0.272.92Ni I
Sr II2...-0.48+-0.18...-3.43+-0.18-0.40+-0.18-0.56+-0.18Sr II
Ba II1...-0.24...-3.27-0.24-1.09Ba II
Eu II1...<1.39...<-1.60<1.43<-1.08Eu II

Binary Parameters

Vrad 88.7

Position

Right Ascension : 22 07 38.20 Declination : -40 20 13.0 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 50 2100 88.7