HE0317-0554

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 : 5400+-100 log g : 3.1+-0.25 vturb : 1.4+-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...0.4...-2.190.616.24CH
Na I2...-0.19+-0.18...-2.86+-0.18-0.06+-0.183.38+-0.18Na I
Mg I7...0.33+-0.12...-2.48+-0.120.32+-0.125.12+-0.12Mg I
Al I1...-0.48...-3.21-0.413.24Al I
Si I1...0.31...-2.400.405.11Si I
Ca I9...0.16+-0.11...-2.57+-0.110.23+-0.113.77+-0.11Ca I
Sc II3...-0.02+-0.09...-2.82+-0.09-0.02+-0.090.33+-0.09Sc II
Ti I5...0.22+-0.07...-2.49+-0.070.31+-0.072.46+-0.07Ti I
Ti II14...0.24+-0.12...-2.47+-0.120.33+-0.122.48+-0.12Ti II
Cr I5...-0.39+-0.16...-3.11+-0.16-0.31+-0.162.53+-0.16Cr I
Mn I2...-0.73+-0.08...-3.52+-0.08-0.72+-0.081.91+-0.08Mn I
Fe IN/A-2.75+-0.15......-2.80+-0.15...4.70+-0.15Fe I
Fe II8-2.76+-0.13-0.01+-0.13...-2.81+-0.13-0.01+-0.134.69+-0.13Fe II
Co I4...0.19+-0.2...-2.63+-0.20.17+-0.22.36+-0.2Co I
Ni I3...-0.06+-0.07...-2.78+-0.070.02+-0.073.44+-0.07Ni I
Sr II1...-0.23...-2.95-0.15-0.08Sr II
Y II2...-0.18+-0.07...-2.90+-0.07-0.10+-0.07-0.69+-0.07Y II
Ba II1...-0.32...-3.12-0.32-0.94Ba II

Binary Parameters

Vrad -68.1

Position

Right Ascension : 03 19 49.60 Declination : -05 43 40.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2002-09 N/A KECKHIRES 36000 45 6000 -69.2
2004-10 N/A KECKHIRES 36000 50 7200 -68.1