A0377

Bibliography Data

Title The Pristine survey IV: approaching the Galactic metallicity floor with the discovery of an ultra-metal-poor star
ADS E.Starkenburg et al.,MNRAS, 481, 3838, 2018
Authors E. Starkenburg, D. S. Aguado, P. Bonifacio, E. Caffau, P. Jablonka, C. Lardo, N. Martin, R. Sanchez-Janssen, F. Sestito, K. A. Venn, K. Youakim, C. AllendePrieto, A. Arentsen, M. Gentile, J. I. GonzalezHernandez, C. Kielty, H. H. Koppelman, N. Longeard, E. Tolstoy, R. G. Carlberg, P. Cote, M. Fouesneau, V. Hill, A. W. McConnachie, J. F. Navarro

Milky Way

List of objects (1 stars)

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

Name Comment SIMBAD Object
Pristine_221.8781+9.7844 N/A S O

Pristine_221.8781+9.7844

Stellar Parameters

Teff : 5792+-100 log g : 3.5+-0.5 vturb : 1.5

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
Li IN/A0.60+-0.205.26+-0.201.70-1.56+-0.203.08+-0.201.70Li I
C IN/A<-2.90<1.76<5.60<-2.83<1.81<5.60C I
Na IN/A-4.10+-0.100.56+-0.102.20-4.04+-0.100.60+-0.102.20Na I
Mg IN/A-4.17+-0.080.49+-0.083.37-4.23+-0.080.41+-0.083.37Mg I
Al IN/A<-4.87<-0.21<1.60<-4.85<-0.21<1.60Al I
Si IN/A-4.29+-0.090.37+-0.093.23-4.28+-0.090.36+-0.093.23Si I
Ca IN/A-4.47+-0.120.19+-0.121.86-4.48+-0.120.16+-0.121.86Ca I
Ca IIN/A-4.11+-0.140.55+-0.142.22-4.12+-0.140.52+-0.142.22Ca II
Ti IIN/A-4.20+-0.200.46+-0.200.70-4.25+-0.200.39+-0.200.70Ti II
Fe IN/A-4.66+-0.130.00+-0.132.86-4.64+-0.130.00+-0.132.86Fe I
Sr IIN/A<-4.42<0.24<-1.50<-4.37<0.27<-1.50Sr II

Binary Parameters

Vrad -149.0+-0.5

Position

Right Ascension : 14 47 30.73 Declination : +09 47 03.70 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2017-07-15 N/A WHTISIS 2400 180 14400
2017-08-14 N/A VLT 30000 100 3005 -149.0+-0.5