SDSS J1312+2450

SDSSJ1312+2450

taken from 1 paper(s):

/W.Aoki et al.(2013)/

W.Aoki et al.,AJ, 145, 13, 2013(ADS)

High-resolution Spectroscopy of Extremely Metal-poor Stars from SDSS/SEGUE. I. Atmospheric Parameters and Chemical Compositions

Stellar Parameters

T_eff : 6250

log g : 4.0

v_turb : 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
Na	N/A	...	0.22+-0.25	3.74+-0.25	-2.50+-0.25	0.22+-0.25	3.74+-0.25	Na
Mg	N/A	...	0.31+-0.16	5.20+-0.16	-2.40+-0.16	0.32+-0.16	5.20+-0.16	Mg
Ca	N/A	...	0.39+-0.22	4.02+-0.22	-2.32+-0.22	0.40+-0.22	4.02+-0.22	Ca
Ti	N/A	...	0.12+-0.28	2.35+-0.28	-2.60+-0.28	0.12+-0.28	2.35+-0.28	Ti
Fe I	N/A	-2.72+-0.21	...	4.78+-0.21	-2.72+-0.21	...	4.78+-0.21	Fe I
Fe II	N/A	-2.94+-0.34	...	4.57+-0.34	-2.93+-0.34	...	4.57+-0.34	Fe II
Sr	N/A	...	-0.51+-0.29	-0.36+-0.29	-3.23+-0.29	-0.51+-0.29	-0.36+-0.29	Sr

Binary Parameters

Vrad	-93.14+-0.20

Position

Right Ascension : 13 12 01.47

Declination : +24 50 07.3

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2008-05-02	N/A	SUBARUHDS	36000	28-43	1500	-93.14+-0.20