BS16934-009

taken from 2 paper(s):

/D.K.Lai et al.(2004)/ /D.K.Lai et al.(2007)/

D.K.Lai et al.,AJ, 128, 2402, 2004(ADS)

ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES


Stellar Parameters

Teff : 4258 log g : 0.59

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
Ca IN/A...0.57...-0.980.595.36Ca I
Ti IIN/A...0.63...-0.870.704.08Ti II
Cr IN/A...-0.42...-1.96-0.393.68Cr I
Fe IN/A-1.57......-1.57...5.93Fe I
Ba IIN/A...0.22...-1.400.170.78Ba II

Binary Parameters

Vrad 53

Position

Right Ascension : 13 31 21.90 Declination : +15 05 21.1 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-07-07 N/A KECKII 7000 150 400 N/A

D.K.Lai et al.,ApJ, 667, 1185, 2007(ADS)

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 4256 log g : 0.59

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
CN/A...-0.60+-0.26...-2.02+-0.26-0.64+-0.266.41+-0.26C
FeN/A-1.55......-1.38...6.12Fe
SrN/A...0.30...-1.220.161.65Sr
BaN/A...0.22...-1.380.000.80Ba

Position

Right Ascension : 13 31 21.90 Declination : +15 05 21.1 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 KECKII 7000 N/A N/A N/A