A0374

Bibliography Data

Title The R-Process Alliance: 2MASS J09544277+5246414, the Most Actinide-enhanced R-II Star Known
ADS E.M.Holmbeck et al.,ApJ, 859, L24, 2018
Authors E. M. Holmbeck, T. C. Beers, I. U. Roederer, V. M. Placco, T. T. Hansen, C. M. Sakari, C. Sneden, C. Liu, Y. SunLee, J. J. Cowan, A. Frebel

Milky Way

List of objects (1 stars)

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

Name Comment SIMBAD Object
2MASS J09544277+5246414 N/A S O

2MASSJ09544277+5246414

Stellar Parameters

Teff : 4340+-125 log g : 0.41+-0.20 vturb : 2.28+-0.20

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
CH1-3.49-0.504.94+-0.20-3.49-0.504.94+-0.20CH
Na I2-2.720.283.53+-0.10-2.710.283.53+-0.10Na I
Mg I4-2.350.645.25+-0.10-2.350.645.25+-0.10Mg I
Al I1-3.39-0.403.06+-0.20-3.39-0.403.06+-0.20Al I
Ca I14-2.740.253.60+-0.10-2.740.253.60+-0.10Ca I
Sc II7-3.17-0.18-0.02+-0.10-3.17-0.18-0.02+-0.10Sc II
Ti I9-2.980.011.97+-0.10-2.980.011.97+-0.10Ti I
Ti II11-2.780.212.17+-0.10-2.780.212.17+-0.10Ti II
V II2-2.990.000.94+-0.10-2.990.000.94+-0.10V II
Cr I7-3.30-0.312.34+-0.10-3.30-0.312.34+-0.10Cr I
Cr II2-2.840.162.81+-0.10-2.830.162.81+-0.10Cr II
Mn I3-3.79-0.801.64+-0.14-3.79-0.801.64+-0.14Mn I
Fe I27-2.990.004.51+-0.12-2.990.004.51+-0.12Fe I
Fe II125-2.990.004.51+-0.12-2.990.004.51+-0.12Fe II
Co I2-3.02-0.021.98+-0.10-3.01-0.021.98+-0.10Co I
Ni I3-2.960.033.26+-0.10-2.960.033.26+-0.10Ni I
Cu I1<-4.04<-1.05<0.15<-4.04<-1.05<0.15Cu I
Zn I1-2.840.151.72+-0.20-2.840.151.72+-0.20Zn I
Ga I1<-2.99<0.00<0.05<-3.03<-0.04<0.05Ga I
Sr I1-1.991.000.88+-0.20-1.991.000.88+-0.20Sr I
Sr II3-2.690.300.18+-0.10-2.690.300.18+-0.10Sr II
Y II12-3.00-0.01-0.79+-0.10-3.00-0.01-0.79+-0.10Y II
Zr II4-2.710.28-0.13+-0.10-2.710.28-0.13+-0.10Zr II
Mo I1-2.830.16-0.95+-0.20-2.830.16-0.95+-0.20Mo I
Ru I2-2.160.84-0.41+-0.10-2.160.83-0.41+-0.10Ru I
Ba II3-2.640.35-0.46+-0.10-2.640.35-0.46+-0.10Ba II
La II16-2.250.74-1.15+-0.10-2.250.74-1.15+-0.10La II
Ce II13-2.410.58-0.83+-0.10-2.410.58-0.83+-0.10Ce II
Pr II7-2.110.88-1.39+-0.10-2.110.88-1.39+-0.10Pr II
Nd II14-2.070.92-0.65+-0.10-2.070.92-0.65+-0.10Nd II
Sm II11-1.941.05-0.98+-0.10-1.941.05-0.98+-0.10Sm II
Eu II4-1.711.28-1.19+-0.10-1.711.28-1.19+-0.10Eu II
Gd II7-1.901.09-0.83+-0.10-1.901.09-0.83+-0.10Gd II
Tb II4-1.781.21-1.48+-0.10-1.801.19-1.48+-0.10Tb II
Dy II6-1.761.23-0.66+-0.10-1.761.23-0.66+-0.10Dy II
Ho II4-1.901.10-1.42+-0.10-1.891.10-1.42+-0.10Ho II
Er II4-1.951.04-1.03+-0.10-1.951.04-1.03+-0.10Er II
Tm II4-1.891.10-1.79+-0.10-1.911.08-1.79+-0.10Tm II
Yb II1-1.641.35-0.80+-0.20-1.721.27-0.80+-0.20Yb II
Lu II1-1.391.60-1.29+-0.20-1.381.61-1.29+-0.20Lu II
Hf II2-2.070.92-1.22+-0.11-1.931.06-1.22+-0.11Hf II
Os I3-1.591.40-0.19+-0.12-1.591.40-0.19+-0.12Os I
Ir I1-1.691.30-0.31+-0.20-1.691.30-0.31+-0.20Ir I
Pb I1-2.120.87-0.37+-0.20-2.410.58-0.37+-0.20Pb I
Th II3-1.361.63-1.31+-0.10-1.371.62-1.31+-0.10Th II
U II1-1.591.40-2.13+-0.20-1.591.40-2.13+-0.20U II

Binary Parameters

Vrad -67.7+-0.1

Position

Right Ascension : 09 54 42.77 Declination : +52 46 41.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2457030.5 LAMOST -71.9+-1.8
2458128.5 TULL 60000 90 15600 -67.7+-0.1