A0001

Bibliography Data

Title DETECTION OF LEAD IN THE CARBON-RICH, VERY METAL-POOR STAR LP 625-44: A STRONG CONSTRAINT ON s-PROCESS NUCLEOSYNTHESIS AT LOW METALLICITY
ADS W.Aoki et al.,ApJ, 536, L97, 2000
Authors W. Aoki, J. E. Norris, S. G. Ryan, T. C. Beers, H. Ando

List of objects

Object Comment S O
LP625-44 N/A S O

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

LP625-44

Atmospheric data

Teff : 5500 log g : 2.8 vturb : 1.6

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
Fe I...-2.71+-0.13...4.78+-0.13
Fe II...-2.70+-0.18...4.79+-0.18
Sr II...-1.56+-0.16+1.15+-0.161.37+-0.16
Y II...-1.79+-0.12+0.92+-0.120.45+-0.12
Zr II...-1.40+-0.12+1.31+-0.121.22+-0.12
Ba II...0.03+-0.2+2.74+-0.202.26+-0.20
La II...-0.21+-0.13+2.50+-0.131.02+-0.13
Ce II...-0.44+-0.12+2.27+-0.121.20+-0.12
Pr II...-0.26+-0.12+2.45+-0.120.55+-0.12
Nd II...-0.49+-0.12+2.22+-0.121.00+-0.12
Sm II...-0.51+-0.12+2.20+-0.120.48+-0.12
Eu II...-0.74+-0.2+1.97+-0.20-0.2+-0.20
Gd II...-0.40+-0.13+2.31+-0.130.70+-0.13
Dy II...-0.73+-0.2+1.98+-0.20.1+-0.2
Er II...-0.67+-0.2+2.04+-0.20.3+-0.2
Tm II...-0.75+-0.2+1.96+-0.2-0.6+-0.2
Hf II...0.05+-0.2+2.76+-0.20.8+-0.2
Pb I...-0.06+-0.2+2.65+-0.22.0+-0.2
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Binarity

Binarity Positive
Vrad 33.5
Period 4382.9064

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
1996-08-05 ANGLO 40000 60-150 N/A
1998-08-11 2451037.00 ANGLO N/A N/A N/A 33.5+-0.2
2000-01-26 2451569.80 WHTUES N/A N/A N/A 30.3+-0.3
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : N/A Right Ascension : N/A

Photometric data

V : 11.85