SDSS J154246+054426

SDSSJ154246+054426

taken from 1 paper(s):

/P.Bonifacio et al.(2012)/

P.Bonifacio et al.,AAP, 542, A87, 2012(ADS)

Chemical abundances of distant extremely metal-poor unevolved stars

Stellar Parameters

T_eff : 6179

log g : 4.00

v_turb : 1.68

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	N/A	...	...	1.97	-1.29	2.17	1.97	Li
Mg	3	...	+0.20+-0.11	...	-3.30+-0.11	0.16+-0.11	4.30+-0.11	Mg
Si	1	...	+0.31	...	-3.13	0.33	4.38	Si
Ca II	1	...	-0.07	...	-3.53	-0.07	2.81	Ca II
Ti II	2	...	-0.00+-0.14	...	-3.41+-0.14	0.05+-0.14	1.54+-0.14	Ti II
Cr	1	...	-0.19	...	-3.64	-0.18	2.00	Cr
Fe	N/A	-3.48	...	...	-3.46	...	4.04	Fe
Fe I	34	-3.48+-0.11	...	...	-3.46+-0.11	...	4.04+-0.11	Fe I
Ni	6	...	+0.31+-0.16	...	-3.14+-0.16	0.32+-0.16	3.08+-0.16	Ni

Binary Parameters

Vrad

123.9

Position

Right Ascension : 15 42 46.87

Declination : +05 44 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
	2454174.840722	VLT	35000	N/A	3136.999	N/A
	2454174.840741	VLT	35000	N/A	3137.001	N/A
	2454177.735829	VLT	35000	N/A	3136.999	N/A
	2454177.735847	VLT	35000	N/A	3137.001	N/A
	2454177.775076	VLT	35000	N/A	3136.999	N/A
	2454177.775094	VLT	35000	N/A	3137.001	N/A