HE1031-0020

taken from 2 paper(s):

/J.G.Cohen et al.(2006)/ /J.G.Cohen et al.(2013)/


J.G.Cohen et al.,AJ, 132, 137, 2006(ADS)

Carbon Stars in the Hamburg/ESO Survey: Abundances


Stellar Parameters

Teff : 5080 log g : 2.2 vturb : 1.6

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...1.637.36-1.071.847.36CH
CN1...2.487.55-0.282.637.55CN
Mg I3...0.50+-0.185.19+-0.18-2.41+-0.180.50+-0.185.19+-0.18Mg I
Al I1...0.884.49-1.960.954.49Al I
Ca I3...1.12+-0.224.62+-0.22-1.72+-0.221.19+-0.224.62+-0.22Ca I
Ti I11...0.46+-0.312.60+-0.31-2.35+-0.310.56+-0.312.60+-0.31Ti I
Ti II15...0.80+-0.372.93+-0.37-2.02+-0.370.89+-0.372.93+-0.37Ti II
Cr I1...-0.382.43-3.21-0.302.43Cr I
Mn I5...0.03+-0.452.56+-0.45-2.87+-0.450.04+-0.452.56+-0.45Mn I
Fe I33-2.86+-0.30...4.59+-0.30-2.91+-0.30...4.59+-0.30Fe I
Fe II8...-0.05+-0.324.54+-0.32-2.96+-0.32-0.05+-0.324.54+-0.32Fe II
Sr II1...0.310.35-2.520.390.35Sr II
Y II2...0.25+-0.02-0.37+-0.02-2.58+-0.020.33+-0.02-0.37+-0.02Y II
Ba II2...1.21+-0.240.48+-0.24-1.70+-0.241.21+-0.240.48+-0.24Ba II
La II4...1.16+-0.15-0.56+-0.15-1.66+-0.151.25+-0.15-0.56+-0.15La II
Ce II1...1.400.09-1.491.420.09Ce II
Nd II4...1.72+-0.110.36+-0.11-1.06+-0.111.85+-0.110.36+-0.11Nd II
Eu II1...<0.87<-1.48<-2.00<0.91<-1.48Eu II
Pb I1...2.661.75-0.292.621.75Pb I

Binary Parameters

Vrad +69.7

Position

Right Ascension : 10 34 24.10 Declination : -00 36 09.0 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 KECKHIRES 45000 80 2400 N/A

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 : 5080+-100 log g : 2.2+-0.25 vturb : 1.5+-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...1.58...-1.071.797.36CH
NH1...2.43...-0.282.587.55NH
Na I2...0.75+-0.11...-1.98+-0.110.88+-0.114.26+-0.11Na I
Mg I3...0.47+-0.16...-2.40+-0.160.46+-0.165.20+-0.16Mg I
Al I1...-0.1...-2.89-0.033.56Al I
K I1...0.66...-2.060.802.97K I
Ca I1...0.57...-2.220.644.12Ca I
Ti I11...0.42+-0.31...-2.35+-0.310.51+-0.312.60+-0.31Ti I
Ti II4...0.32+-0.09...-2.45+-0.090.41+-0.092.50+-0.09Ti II
Cr I2...-0.25+-0.23...-3.03+-0.23-0.17+-0.232.61+-0.23Cr I
Mn I4...-0.15+-0.17...-3.00+-0.17-0.14+-0.172.43+-0.17Mn I
Fe IN/A-2.81+-0.29......-2.86+-0.29...4.64+-0.29Fe I
Fe II8-2.89+-0.36-0.08+-0.36...-2.94+-0.36-0.08+-0.364.56+-0.36Fe II
Sr II1...0.3...-2.480.380.39Sr II
Y II2...0.21+-0.01...-2.57+-0.010.29+-0.01-0.36+-0.01Y II
Ba II2...1.55+-0.19...-1.31+-0.191.55+-0.190.87+-0.19Ba II
La II4...1.14+-0.15...-1.63+-0.151.23+-0.15-0.53+-0.15La II
Ce II1...1.37...-1.471.390.11Ce II
Nd II4...1.61+-0.25...-1.12+-0.251.74+-0.250.30+-0.25Nd II
Eu II1...<0.82...<-2.00<0.86<-1.48Eu II
Pb I1...2.21...-0.692.171.35Pb I

Binary Parameters

Vrad 69.6

Position

Right Ascension : 10 34 24.10 Declination : -00 36 09.0 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2004-05 N/A KECKHIRES 36000 90 2400 69.7
2011-06 N/A KECKHIRES 36000 140 900 69.6