A0129

Bibliography Data

Title HE 0557-4840: Ultra–Metal-Poor and Carbon-Rich
ADS J.E.Norris et al.,ApJ, 670, 774, 2007
Authors J. E. Norris, N. Christlieb, A. J. Korn, K. Eriksson, M. S. Bessell, T. C. Beers, K. Wisotzki, D. Reimers

List of objects

Object Comment S O
HE0557-4840 N/A S O

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

HE0557-4840

Atmospheric data

Teff : 4900+-100 log g : 2.2+-0.3 vturb : 1.8+-0.2

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Li I...<-0.46<4.29<0.70
CH...-3.10+-0.1+1.65+-0.105.29+-0.10
CN...<-2.38+-0.1<+2.37+-0.10<5.40+-0.10
NH...<-3.28+-0.2<+1.47+-0.20<4.50+-0.20
O I...<-1.66<+3.09<7.00
Na I...-4.91-0.161.26
Mg I...-4.50+-0.07+0.25+-0.073.03+-0.07
Al I...-5.36-0.611.01
Ca I...-4.50+0.251.81
Ca II...-4.13+0.622.18
Sc II...-4.44+-0.11+0.31+-0.11-1.39+-0.11
Ti II...-4.40+-0.1+0.35+-0.100.50+-0.10
Cr I...-5.45-0.700.19
Mn I...<-5.38<-0.63<0.01
Fe I...-4.75+-0.17...2.77+-0.17
Fe II...-4.80...2.70
Co I...-4.71+0.040.20
Ni I...-4.97+-0.1-0.22+-0.101.26+-0.10
Y II...<-4.01<+0.74<-1.80
Zr II...<-2.48<+2.27<0.11
Ba II...<-4.72<+0.03<-2.55
Eu II...<-2.71<+2.04<-2.19
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Binarity

Vrad 211.44

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
2453771.029 VLT 40000 200 3600 211.44
2453771.072 VLT 40000 200 3600 211.67
2453771.159 VLT 40000 200 3600 211.61
2453791.025 VLT 40000 200 3600 211.98
2453792.035 VLT 40000 200 3600 211.90
2453792.078 VLT 40000 200 3600 212.02
2453813.999 VLT 40000 200 3600 211.84
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data

V : 15.454 B-V : 0.712 V-R : 0.463 V-K : 2.254 K : 13.194