HE0122-1616

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 : 5215+-100 log g : 2.5+-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...0.21...-2.430.426.00CH
Na I2...-0.24+-0.03...-2.96+-0.03-0.11+-0.033.28+-0.03Na I
Mg I5...0.28+-0.07...-2.58+-0.070.27+-0.075.02+-0.07Mg I
Ca I9...0.22+-0.17...-2.56+-0.170.29+-0.173.78+-0.17Ca I
Ti I7...0.06+-0.11...-2.70+-0.110.15+-0.112.25+-0.11Ti I
Ti II11...0.01+-0.15...-2.75+-0.150.10+-0.152.20+-0.15Ti II
Cr I3...-0.5+-0.1...-3.27+-0.1-0.42+-0.12.37+-0.1Cr I
Mn I2...-1.23+-0.02...-4.07+-0.02-1.22+-0.021.36+-0.02Mn I
Fe IN/A-2.8+-0.19......-2.85+-0.19...4.65+-0.19Fe I
Fe II11-2.85+-0.14-0.05+-0.14...-2.90+-0.14-0.05+-0.144.60+-0.14Fe II
Co I4...0.33+-0.21...-2.54+-0.210.31+-0.212.45+-0.21Co I
Ni I2...-0.33+-0.18...-3.10+-0.18-0.25+-0.183.12+-0.18Ni I
Zn I1...0.08...-2.680.171.88Zn I
Sr II1...-0.42...-3.19-0.34-0.32Sr II
Ba II1...-1.07...-3.92-1.07-1.74Ba II

Binary Parameters

Vrad 207.7

Position

Right Ascension : 01 25 10.80 Declination : -16 00 54.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2005-09 N/A KECKHIRES 36000 150 10800 207.7