A0305

Bibliography Data

Title The Hamburg/ESO R-process Enhanced Star survey (HERES). X. HE 2252-4225, one more r-process enhanced and actinide-boost halo star
ADS L.Mashonkina et al.,AAP, 569, A43, 2014
Authors L. Mashonkina, N. Christlieb, K. Eriksson

List of objects

Object Comment S O
HE2252-4225 N/A S O

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


HE2252-4225

Atmospheric data

Teff : 4710+-100 log g : 1.65+-0.15 vturb : 1.7+-0.1

Chemical Abundances

Element Nline [X/H] [X/Fe] log-e
CH...–-2.33–0.615.15+-0.02
NH...–-2.62–0.324.91
Na I...-2.760.183.57
Si I...-3.06-0.124.99
Ca I...-2.68+-0.060.26+-0.063.68+-0.06
Ti I...-2.690.252.26+-0.06
Ti II...-2.570.372.64+-0.09
V II...-2.88+-0.03–0.251.12+-0.03
Cr I...-3.01+-0.06–0.092.66+-0.06
Cr II...-2.910.033.05+-0.05
Mn I...–-2.87–0.072.41+-0.05
Mn II...-2.77+-0.02–0.122.62+-0.02
Fe I...-2.94+-0.08...4.56+-0.08
Fe II...-2.68+-0.07...4.82+-0.07
Co I...–-2.91–0.032+-0.08
Ni I...-2.89+-0.110.023.36+-0.11
Sr II...–-2.81–0.130.16
Y II...–-2.80–0.14-0.56+-0.11
Zr II...-2.820.120.07+-0.07
Mo I...-2.760.13-0.84
Ru I...-2.340.6-0.45
Ba II...-2.650.29-0.17+-0.08
La II...-2.26+-0.060.4-1.09+-0.06
Ce II...-2.650.29-0.73+-0.03
Pr II...-1.97+-0.030.61-1.26+-0.03
Nd II...-2.11+-0.070.57-0.61+-0.07
Sm II...-2.210.73-0.90+-0.01
Eu II...-2.130.81-1.30+-0.02
Gd II...-2.190.75-0.77+-0.06
Tb II...-2.150.79-1.56
Dy II...-1.72+-0.090.92-0.58+-0.09
Ho II...-2.110.83-1.29+-0.07
Er II...-2.160.78-0.89+-0.09
Tm II...-2.210.73-1.76+-0.05
Yb II...-2.080.86-0.91
Os I...-2.200.74-0.44
Ir I...-2.000.94-0.31+-0.1
Pb I...<-3.09<-0.15<-0.78+-0.3
Th II...-1.63+-0.020.92-1.63+-0.02
    : Data presented in the paper
    : Data converted with the solar abundance from Grevesse et al. (1996)

Basic Informations

Observation Date JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 50000 10-180 68040 N/A
Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A Declination : -420919 Right Ascension : 225458.6

Photometric data

V : 14.878+-0.003 B-V : 0.822+-0.005 V-R : 0.499+-0.005