BS16077-007

taken from 3 paper(s):

/D.K.Lai et al.(2004)/ /D.K.Lai et al.(2007)/ /D.K.Lai et al.(2008)/

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

ABUNDANCES OF EXTREMELY METAL-POOR STAR CANDIDATES


Stellar Parameters

Teff : 5958 log g : 3.68

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...0.21...-2.630.194.97Mg I
Ca IN/A...0.20...-2.600.223.74Ca I
Ti IIN/A...0.34...-2.410.412.54Ti II
Fe IN/A-2.82......-2.82...4.68Fe I
Ba IIN/A...<-0.58...<-3.45<-0.63<-1.27Ba II

Binary Parameters

Vrad -30

Position

Right Ascension : 11 35 17.99 Declination : +31 00 23.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2001-01-21 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 : 5958 log g : 3.68

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...1.00+-0.26...-1.69+-0.260.96+-0.266.74+-0.26C
FeN/A-2.82......-2.65...4.85Fe
SrN/A...0.27...-2.520.130.35Sr
BaN/A...<-0.58...<-3.45<-0.80<-1.27Ba

Position

Right Ascension : 11 35 17.99 Declination : +31 00 23.4 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

D.K.Lai et al.,ApJ, 681, 1524, 2008(ADS)

Detailed Abundances for 28 Metal-poor Stars: Stellar Relics in the Milky Way


Stellar Parameters

Teff : 6544+-100 log g : 4.29+-0.2 vturb : 1.6+-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
C1...0.60+-0.31...-2.03+-0.310.69+-0.316.40+-0.31C
N1...<0.80...<-1.83<0.89<6.00N
OH1...<1.39...<-1.19<1.53<7.50OH
Mg5...0.34+-0.04...-2.40+-0.040.32+-0.045.20+-0.04Mg
Si1...0.13+-0.15...-2.55+-0.150.17+-0.154.96+-0.15Si
Ca10...0.43+-0.02...-2.27+-0.020.45+-0.024.07+-0.02Ca
Sc II3...0.31+-0.08...-2.39+-0.080.33+-0.080.76+-0.08Sc II
Ti I3...0.59+-0.06...-2.06+-0.060.66+-0.062.89+-0.06Ti I
Ti II23...0.62+-0.07...-2.03+-0.070.69+-0.072.92+-0.07Ti II
V II1...0.42+-0.18...-2.23+-0.180.49+-0.181.70+-0.18V II
Cr I6...-0.15+-0.03...-2.84+-0.03-0.12+-0.032.80+-0.03Cr I
Cr II2...0.01+-0.11...-2.68+-0.110.04+-0.112.96+-0.11Cr II
Mn I3...-0.52+-0.09...-3.28+-0.09-0.56+-0.092.15+-0.09Mn I
Mn II2...-0.27+-0.09...-3.03+-0.09-0.31+-0.092.40+-0.09Mn II
Fe I77-2.72+-0.08......-2.72+-0.08...4.78+-0.08Fe I
Fe II4-2.82+-0.09......-2.82+-0.09...4.68+-0.09Fe II
Co2...0.34+-0.06...-2.45+-0.060.27+-0.062.54+-0.06Co
Ni3...0.08+-0.05...-2.61+-0.050.11+-0.053.61+-0.05Ni
Cu1...-0.59+-0.16...-3.29+-0.16-0.57+-0.160.90+-0.16Cu
Sr II2...0.22+-0.11...-2.40+-0.110.32+-0.110.47+-0.11Sr II
Y II1...0.30+-0.17...-2.39+-0.170.33+-0.17-0.18+-0.17Y II
Zr II2...0.85+-0.16...-1.85+-0.160.87+-0.160.73+-0.16Zr II
Ba II1...-0.11+-0.18...-2.88+-0.18-0.16+-0.18-0.70+-0.18Ba II
Eu II1...<0.81...<-1.92<0.80<-1.40Eu II

Position

Right Ascension : 11 35 17.99 Declination : +31 00 23.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
20050529-30 N/A KECKHIRES 46000 111 2400 -38.3+-0.2