A0032

Bibliography Data

Title Heavy-element abundances in the CH/CN-strong very metal-poor stars CS 22948-27 and CS 29497-34
ADS V.Hill et al.,AAP, 353, 557, 2000
Authors V. Hill, B. Barbuy, M. Spite, F. Spite, R. Cayrel, B. Plez, T. C. Department of Physics andtronomy, MSU. Beers, B. Nordstrom, P. E. Institute of Physics and Astronomy, AarhusU. Nissen

List of objects

Object Comment S O
BPS CS22948-027 N/A S O
BPS CS29497-034 N/A S O

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


BPS CS22948-027

Atmospheric data

Teff : 4800 log g : 1.80 vturb : 1.50

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.57+1.97.98
C2...-0.42+2.058.13
CN...-0.67+1.87.30
Na...>-1.91>0.56>4.42
Mg...-2.08+0.395.50
Fe I...-2.47...5.03
Fe II...-2.46...5.04
Sr...-1.570.901.40
Y...-1.47+-0.281.00+-0.280.77+-0.28
Ba...-0.21+-0.092.26+-0.091.92+-0.09
La...-0.15+-0.532.32+-0.531.02+-0.53
Ce...-0.272.201.31
Pr...-0.821.65-0.11
Nd...-0.25+-0.352.22+-0.351.25+-0.35
Eu...-0.372.100.14
Dy...-0.871.600.27
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Binarity

Vrad -67.4

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
1995-09-15 N/A EMMIESO 30000 170 120min -63.9
1995-09-17 N/A EMMIESO 30000 180 105min -64.7
1995-11-03 N/A EMMIESO 30000 58 60min -62.3
1995-11-04 N/A EMMIESO 30000 56 60min -62.7
1995-11-05 N/A EMMIESO 30000 53 55min -62.8
1996-10-01 N/A CASPECESO 21000 110 90min -60.6
1996-10-02 N/A CASPECESO 21000 150 120min -67.3
1999-07-03 N/A FEROSESO 48000 30 30min -68.1
Galactic Longitude (l) : 3.05 Galactic Latitude (b) : -48.23 Declination : -39 27 19 Right Ascension : 21h37m45.5s

Photometric data

V : 12.65 B-V : 1.12+-0.016 V-R : 0.50+-0.015 R-I : 0.40+-0.005 EB-V : 0.00


BPS CS29497-034

Atmospheric data

Teff : 4800 log g : 1.80 vturb : 1.50

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...-0.55+2.358.00
C2...-0.40+2.58.15
CN...-0.60+2.37.37
Na...-1.60+1.304.73
Mg...-2.28+0.625.30
Fe I...-2.90...4.60
Fe II...-2.91...4.59
Sr...-1.901.001.07
Y...-1.80+-0.141.10+-0.140.44+-0.14
Ba...-0.87+-0.152.03+-0.151.26+-0.15
La...-0.78+-0.252.12+-0.250.39+-0.25
Ce...-0.95+-0.071.95+-0.070.63+-0.07
Pr...-1.251.65-0.54
Nd...-0.81+-0.212.09+-0.210.69+-0.21
Eu...-0.652.25-0.14
Dy...-1.401.50-0.26
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Binarity

Vrad -44.5

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
1995-09-14 N/A EMMIESO 30000 175 95min -44.7
1995-09-14 N/A EMMIESO 30000 220 120min -44.6
1995-11-03 N/A EMMIESO 30000 90 90min -46.6
1995-11-04 N/A EMMIESO 30000 76 75min -45.7
1996-10-01 N/A CASPECESO 21000 170 120min -43.3
1996-10-02 N/A CASPECESO 21000 190 120min -42.2
1999-07-03 N/A FEROSESO 48000 35 30min -44.7
Galactic Longitude (l) : 52.81 Galactic Latitude (b) : -87.67 Declination : -26 18 55 Right Ascension : 00h41m39.9s

Photometric data

V : 12.20 B-V : 1.10+-0.016 V-R : 0.48+-0.015 R-I : 0.42+-0.005 EB-V : 0.01