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

Milky Way

List of objects (1 stars)

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

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

HE2252-4225

Stellar Parameters

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

Chemical Abundances

Original Data Converted Data Asplund et al. (2009)
Element Nline [X/H] [X/Fe] log-e [X/H] [X/Fe] log-e Element
CH4...-0.615.15+-0.02-3.28+-0.02-0.345.15+-0.02CH
NH1...-0.324.91-2.920.024.91NH
Na I2......3.57-2.670.273.57Na I
Si I1...-0.124.99-2.520.424.99Si I
Ca I10......3.68+-0.06-2.66+-0.060.28+-0.063.68+-0.06Ca I
Ti I10...0.252.26+-0.06-2.69+-0.060.252.26+-0.06Ti I
Ti II16...0.372.64+-0.09-2.31+-0.090.632.64+-0.09Ti II
V II3...-0.251.12+-0.03-2.81+-0.030.131.12+-0.03V II
Cr I5...-0.092.66+-0.06-2.98+-0.06-0.042.66+-0.06Cr I
Cr II4...0.033.05+-0.05-2.59+-0.050.353.05+-0.05Cr II
Mn I3...-0.072.41+-0.05-3.02+-0.05-0.082.41+-0.05Mn I
Mn II3...-0.122.62+-0.02-2.81+-0.020.132.62+-0.02Mn II
Fe I43......4.56+-0.08-2.94+-0.08...4.56+-0.08Fe I
Fe II12......4.82+-0.07-2.68+-0.07...4.82+-0.07Fe II
Co I3...-0.032+-0.08-2.99+-0.08-0.052+-0.08Co I
Co II1......2.16-2.830.112.16Co II
Ni I6...0.023.36+-0.11-2.86+-0.110.083.36+-0.11Ni I
Ni II1......3.75-2.470.473.75Ni II
Sr II2...-0.130.16-2.710.230.16Sr II
Y II9...-0.14-0.56+-0.11-2.77+-0.110.17-0.56+-0.11Y II
Zr II12...0.120.07+-0.07-2.51+-0.070.430.07+-0.07Zr II
Mo I1...0.13-0.84-2.720.22-0.84Mo I
Ru I1...0.6-0.45-2.200.74-0.45Ru I
Ba II3...0.29-0.17+-0.08-2.35+-0.080.59-0.17+-0.08Ba II
La II8...0.4-1.09+-0.06-2.19+-0.060.75-1.09+-0.06La II
Ce II10...0.29-0.73+-0.03-2.31+-0.030.63-0.73+-0.03Ce II
Pr II3...0.61-1.26+-0.03-1.98+-0.030.96-1.26+-0.03Pr II
Nd II19...0.57-0.61+-0.07-2.03+-0.070.91-0.61+-0.07Nd II
Sm II5...0.73-0.90+-0.01-1.86+-0.011.08-0.90+-0.01Sm II
Eu II4...0.81-1.30+-0.02-1.82+-0.021.12-1.30+-0.02Eu II
Gd II4...0.75-0.77+-0.06-1.84+-0.061.10-0.77+-0.06Gd II
Tb II3...0.79-1.56-1.881.06-1.56Tb II
Dy II14...0.92-0.58+-0.09-1.68+-0.091.26-0.58+-0.09Dy II
Ho II4...0.83-1.29+-0.07-1.76+-0.071.18-1.29+-0.07Ho II
Er II8...0.78-0.89+-0.09-1.81+-0.091.13-0.89+-0.09Er II
Tm II5...0.73-1.76+-0.05-1.88+-0.051.06-1.76+-0.05Tm II
Yb II1...0.86-0.91-1.831.11-0.91Yb II
Os I1...0.74-0.44-1.841.10-0.44Os I
Ir I2...0.94-0.31+-0.1-1.69+-0.11.25-0.31+-0.1Ir I
Pb I1...<-0.15<-0.78+-0.3<-2.82+-0.3<0.12<-0.78+-0.3Pb I
Th II2...0.92-1.63+-0.02-1.69+-0.021.25-1.63+-0.02Th II

Position

Right Ascension : 22 54 58.56 Declination : -42 09 19.3 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
N/A VLT 50000 10-180 68040 N/A