SDSSJ152202.09+305526.3

taken from 1 paper(s):

/T.Matsuno et al.(2017)/


T.Matsuno et al.,AJ, 154, 52, 2017(ADS)

High-resolution Spectroscopy of Extremely Metal-poor Stars from SDSS/SEGUE. III. Unevolved Stars with [Fe/H] ≲ -3.5


Stellar Parameters

Teff : 5505+-31 log g : 3.75+-0.12 vturb : 0.33+-0.32

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 I1...5.70+-0.111.76+-0.11-1.50+-0.112.44+-0.111.76+-0.11Li I
CHN/A...<0.81<5.30<-3.13<0.81<5.30CH
Na I1...-0.57+-0.121.73+-0.12-4.51+-0.12-0.57+-0.121.73+-0.12Na I
Mg I4...0.62+-0.114.28+-0.12-3.32+-0.120.62+-0.114.28+-0.12Mg I
Ca I2...0.40+-0.092.81+-0.08-3.53+-0.080.41+-0.092.81+-0.08Ca I
Sc II3...0.48+-0.08-0.31+-0.07-3.46+-0.070.48+-0.08-0.31+-0.07Sc II
Ti II9...0.49+-0.081.50+-0.07-3.45+-0.070.49+-0.081.50+-0.07Ti II
Cr I3...-0.48+-0.151.22+-0.14-4.42+-0.14-0.48+-0.151.22+-0.14Cr I
Fe I21...0.00+-0.043.56+-0.05-3.94+-0.050.00+-0.043.56+-0.05Fe I
Fe II3...0.17+-0.093.74+-0.08-3.76+-0.080.17+-0.093.74+-0.08Fe II
Sr IIN/A...<-0.96<-2.03<-4.90<-0.96<-2.03Sr II
Ba IIN/A...<-0.32<-2.07<-4.25<-0.31<-2.07Ba II

Binary Parameters

Vrad -354.8

Position

Right Ascension : 15 22 02.09 Declination : +30 55 26.4 Galactic Longitude (l) : N/A Galactic Latitude (b) : N/A

Observing Log

Date of Observation JD Facility Resolution S/N Exposure Time Vrad
2009-06-28 N/A SUBARUHDS 60000 60-69 21600 -354.8