A0042

Bibliography Data

Title Analysis of the carbon-rich very metal-poor dwarf G77-61
ADS B.Plez et al.,AAP, 434, 1117, 2005
Authors B. Plez, J. G. Cohen

List of objects

Object Comment S O
G 77-61 N/A S O

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


G 77-61

Atmospheric data

Teff : 4000+-200 log g : 5.05

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Li I...<0<4<1.16
C...-1.4+-0.1+2.6+-0.17.15+-0.1
CN...-1.4+-0.1+2.6+-0.16.57+-0.1
Na I...-3.4+-0.2+0.60+-0.22.93+-0.2
Mg I...-3.5+-0.2+0.49+-0.24.08+-0.2
K I...-2.8+-0.3+1.21+-0.32.32+-0.3
Ca I...-3.7+-0.2+0.37+-0.22.66+-0.2
Ca II...-3.5+-0.2+0.57+-0.22.86+-0.2
Cr I...-3.7+-0.2+0.36+-0.21.97+-0.2
Mn I...-4.1+-0.3-0.06+-0.31.29+-0.3
Fe I...-4.03+-0.15...3.47+-0.15
Zn I...<-1.33<2.7<3.27
Sr II...<-4.03<0<-1.06
Ba II...<-3.03<1<-0.90
Eu II...<-1.03<3<-0.52
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Isotope ratio

12C/13C 5+-1

Binarity

Binarity Positive
Vrad -20
Period 245

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2002-09-29 N/A KECKHIRES 34000 N/A N/A -29
2003-08-19 N/A KECKHIRES 34000 N/A N/A -20
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data

V : 13.90