HE1258-1317

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 : 5175+-100 log g : 2.5+-0.25 vturb : 1.6+-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...0.17...-2.570.385.86CH
Na I2...0.1+-0.1...-2.72+-0.10.23+-0.13.52+-0.1Na I
Mg I5...0.48+-0.18...-2.48+-0.180.47+-0.185.12+-0.18Mg I
Al I1...0.00...-2.880.073.57Al I
Si I2...0.4+-0.01...-2.46+-0.010.49+-0.015.05+-0.01Si I
Ca I9...0.29+-0.15...-2.59+-0.150.36+-0.153.75+-0.15Ca I
Sc II3...0.24+-0.15...-2.71+-0.150.24+-0.150.44+-0.15Sc II
Ti I4...0.14+-0.06...-2.72+-0.060.23+-0.062.23+-0.06Ti I
Ti II13...0.3+-0.11...-2.56+-0.110.39+-0.112.39+-0.11Ti II
V II1...0.02...-2.810.141.12V II
Cr I4...-0.54+-0.18...-3.41+-0.18-0.46+-0.182.23+-0.18Cr I
Mn I2...-0.79+-0.07...-3.73+-0.07-0.78+-0.071.70+-0.07Mn I
Fe IN/A-2.9+-0.18......-2.95+-0.18...4.55+-0.18Fe I
Fe II8-2.97+-0.15-0.07+-0.15...-3.02+-0.15-0.07+-0.154.48+-0.15Fe II
Co I3...0.23+-0.19...-2.74+-0.190.21+-0.192.25+-0.19Co I
Ni I2...-0.49+-0.01...-3.36+-0.01-0.41+-0.012.86+-0.01Ni I
Sr II2...-0.41+-0.02...-3.28+-0.02-0.33+-0.02-0.41+-0.02Sr II
Y II2...-0.51+-0.16...-3.38+-0.16-0.43+-0.16-1.17+-0.16Y II
Ba II1...-0.99...-3.94-0.99-1.76Ba II
Eu II1...<0.14...<-2.77<0.18<-2.25Eu II

Binary Parameters

Vrad 49.6

Position

Right Ascension : 13 00 44.20 Declination : -13 33 26.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-03 N/A MIKELCO 42000 120 5400 49.6