HE0305-5442

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 : 4904+-100 log g : 1.7+-0.25 vturb : 2+-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
CH1...0.27...-2.870.485.56CH
O I1...<1.41...<-1.65<1.70<7.04O I
Na I2...-0.38+-0.01...-3.60+-0.01-0.25+-0.012.64+-0.01Na I
Mg I4...0.22+-0.19...-3.14+-0.190.21+-0.194.46+-0.19Mg I
Al I1...-0.2...-3.48-0.132.97Al I
Si I2...0.34+-0.42...-2.92+-0.420.43+-0.424.59+-0.42Si I
Ca I5...-0.04+-0.13...-3.32+-0.130.03+-0.133.02+-0.13Ca I
Sc II3...0.13+-0.2...-3.22+-0.20.13+-0.2-0.07+-0.2Sc II
Ti I3...-0.16+-0.08...-3.42+-0.08-0.07+-0.081.53+-0.08Ti I
Ti II13...-0.14+-0.1...-3.40+-0.1-0.05+-0.11.55+-0.1Ti II
Cr I4...-0.69+-0.25...-3.96+-0.25-0.61+-0.251.68+-0.25Cr I
Mn I2...-0.65+-0.01...-3.99+-0.01-0.64+-0.011.44+-0.01Mn I
Mn II3...-0.22+-0.27...-3.56+-0.27-0.21+-0.271.87+-0.27Mn II
Fe I72-3.3+-0.2......-3.35+-0.2...4.15+-0.2Fe I
Fe II7-3.37+-0.2-0.07+-0.2...-3.42+-0.2-0.07+-0.24.08+-0.2Fe II
Co I3...0.54+-0.31...-2.83+-0.310.52+-0.312.16+-0.31Co I
Ni I1...0.14...-3.130.223.09Ni I
Sr II2...-2.06+-0.04...-5.33+-0.04-1.98+-0.04-2.46+-0.04Sr II
Y II1...<-0.43...<-3.70<-0.35<-1.49Y II
Ba II1...<-2.41...<-5.76<-2.41<-3.58Ba II
Eu II2...<0.37...<-2.94<0.41<-2.42Eu II

Binary Parameters

Vrad 158.3

Position

Right Ascension : 03 06 29.51 Declination : -54 30 32.5 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A MIKELCO 42000 N/A N/A 158.3