SDSSJ164005.30+370907.8

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 : 6211+-31 log g : 4.42+-0.13 vturb : 1.19+-0.38

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...5.50+-0.141.96+-0.14-1.30+-0.142.24+-0.141.96+-0.14Li I
CHN/A...<1.41<6.30<-2.13<1.41<6.30CH
Na I2...-0.29+-0.102.42+-0.10-3.82+-0.10-0.28+-0.102.42+-0.10Na I
Mg I2...0.25+-0.104.31+-0.11-3.29+-0.110.25+-0.104.31+-0.11Mg I
Ca I4...0.33+-0.103.13+-0.09-3.21+-0.090.33+-0.103.13+-0.09Ca I
Sc II1...0.30+-0.15-0.08+-0.14-3.23+-0.140.31+-0.15-0.08+-0.14Sc II
Ti I2...0.96+-0.112.38+-0.10-2.57+-0.100.97+-0.112.38+-0.10Ti I
Ti II6...0.35+-0.081.77+-0.06-3.18+-0.060.36+-0.081.77+-0.06Ti II
Cr I2...-0.24+-0.101.86+-0.10-3.78+-0.10-0.24+-0.101.86+-0.10Cr I
Fe I22...0.00+-0.043.96+-0.05-3.54+-0.050.00+-0.043.96+-0.05Fe I
Fe II3...0.08+-0.084.05+-0.06-3.45+-0.060.08+-0.084.05+-0.06Fe II
Sr II2...-0.26+-0.12-0.93+-0.13-3.80+-0.13-0.26+-0.12-0.93+-0.13Sr II
Ba II1...0.18+-0.15-1.17+-0.15-3.35+-0.150.19+-0.15-1.17+-0.15Ba II

Binary Parameters

Vrad -51.6

Position

Right Ascension : 16 40 05.30 Declination : +37 09 07.8 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 95-95 14400 -51.6