A0178

Bibliography Data

Title First stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876-032
ADS J.I.GonzalezHernandez et al.,AAP, 480, 233, 2008
Authors J. I. GonzalezHernandez, P. Bonifacio, H. -G. Ludwig, E. Caffau, M. Spite, F. Spite, R. Cayrel, P. Molaro, V. Hill, P. Francois, B. Plez, T. C. Beers, T. Sivarani, J. Andersen, B. Barbuy, E. Depagne, B. Nordstrom, F. Primas

List of objects

Object Comment S O
BPS CS22876-032A N/A S O
BPS CS22876-032B N/A S O

S: Find this object in SIMBAD
O: Find this object in Other papers

BPS CS22876-032A

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2000-10-17 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-10-20 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-7-19 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-7-20 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-8-03 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-8-11 HJD-2,400,000 VLT 43000 N/A N/A N/A
2001-11-07 HJD-2,400,000 VLT 43000 N/A N/A N/A
2001-11-08 HJD-2,400,000 VLT 43000 N/A N/A N/A
2001-11-09 HJD-2,400,000 VLT 43000 N/A N/A N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Binarity Positive
Vrad -93.11+-0.13
Period 424.81

Photometric data

V 12.84+-0.01
B-V 0.397+-0.02
U-B -0.255+-0.01
J 11.503+-0.035
K 11.800+-0.041
EB-V 0.00+-0.01

Atmospheric data

Teff 6500
log g 4.4
vturb 1.5

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Li I...1.06+-0.014.72+-0.012.22+-0.01
O...-1.52+-0.042.14+-0.047.35+-0.04
Na I...-3.69+-0.03-0.03+-0.032.64+-0.03
Mg I...-3.11+-0.180.55+-0.184.47+-0.18
Al I...-3.89+-0.22-0.23+-0.222.58+-0.22
Si I...-3.75+-0.02-0.09+-0.023.80+-0.02
Ca I...-3.65+-0.020.01+-0.022.71+-0.02
Ca II...-3.68+-0.14-0.18+-0.142.68+-0.14
Sc II...-3.73+-0.18-0.22+-0.18-0.56+-0.18
Ti II...-3.25+-0.340.25+-0.341.77+-0.34
Cr I...-3.79+-0.12-0.13+-0.121.88+-0.12
Cr II...-3.38+-0.100.12+-0.102.29+-0.10
Mn II...-4.01+-0.17-0.51+-0.171.38+-0.17
Fe I...-3.66+-0.12...3.84+-0.12
Fe II...-3.51+-0.25...3.99+-0.25
Co I...-2.91+-0.070.75+-0.072.01+-0.07
Ni I...-3.49+-0.180.17+-0.182.76+-0.18
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)


BPS CS22876-032B

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2000-10-17 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-10-20 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-7-19 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-7-20 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-8-03 HJD-2,400,000 VLT 43000 N/A N/A N/A
2000-8-11 HJD-2,400,000 VLT 43000 N/A N/A N/A
2001-11-07 HJD-2,400,000 VLT 43000 N/A N/A N/A
2001-11-08 HJD-2,400,000 VLT 43000 N/A N/A N/A
2001-11-09 HJD-2,400,000 VLT 43000 N/A N/A N/A
Galactic Longitude (l) N/A
Galactic Latitude (b) N/A
Declination N/A
Right Ascension N/A

Binarity

Binarity Positive
Vrad -93.11+-0.13
Period 424.81

Photometric data

V 12.84+-0.01
B-V 0.397+-0.02
U-B -0.255+-0.01
J 11.503+-0.035
K 11.800+-0.041
EB-V 0.00+-0.01

Atmospheric data

Teff 5900
log g 4.6
vturb 1.5

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Li I...0.59+-0.044.16+-0.041.75+-0.04
O...-1.75+-0.091.81+-0.097.12+-0.09
Na I...-3.79+-0.05-0.22+-0.052.54+-0.05
Mg I...-3.14+-0.240.43+-0.244.44+-0.24
Al I...-3.75+-0.22-0.18+-0.222.72+-0.22
Si I...-3.48+-0.040.09+-0.044.07+-0.04
Ca I...-3.68+-0.04-0.11+-0.042.68+-0.04
Ca II...-3.81+-0.11-0.54+-0.112.55+-0.11
Sc II...-3.57+-0.11-0.30+-0.11-0.40+-0.11
Ti II...-3.45+-0.23-0.18+-0.231.57+-0.23
Cr I...-3.92+-0.35-0.35+-0.351.75+-0.35
Cr II...-3.30+-0.30-0.03+-0.302.37+-0.30
Mn II...-3.86+-0.37-0.59+-0.371.53+-0.37
Fe I...-3.57+-0.21...3.93+-0.21
Fe II...-3.27+-0.31...4.23+-0.31
Co I...-2.92+-0.080.65+-0.082.00+-0.08
Ni I...-3.45+-0.160.12+-0.162.80+-0.16
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)