CS22950-153

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 : 5293 log g : 3.02

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
Mg IN/A...0.66...-1.460.646.14Mg I
Ca IN/A...0.39...-1.690.414.65Ca I
Ti IIN/A...0.42...-1.610.493.34Ti II
Cr IN/A...-0.21...-2.28-0.183.36Cr I
Fe IN/A-2.10......-2.10...5.40Fe I
Ba IIN/A...-0.25...-2.40-0.30-0.22Ba II

Binary Parameters

Vrad -160

Position

Right Ascension : 20 32 34.50 Declination : -15 47 57.9 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2000-08-08 N/A KECKII 7000 150 600 N/A

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

Carbon and Strontium Abundances of Metal-poor Stars


Stellar Parameters

Teff : 5293 log g : 3.02

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...-0.15+-0.26...-2.12+-0.26-0.19+-0.266.31+-0.26C
FeN/A-2.10......-1.93...5.57Fe
SrN/A...0.25...-1.820.111.05Sr
BaN/A...-0.25...-2.40-0.47-0.22Ba

Position

Right Ascension : 20 32 34.50 Declination : -15 47 57.9 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