HE0100-1622

HE0100-1622

taken from 1 paper(s):

/T.Hansen et al.(2015)/

T.Hansen et al.,ApJ, 807, 173, 2015(ADS)

An Elemental Assay of Very, Extremely, and Ultra-metal-poor Stars

Stellar Parameters

T_eff : 5400+-100

log g : 3.0+-0.3

v_turb : 1.1+-0.3

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	...	...	<+1.12	<-2.14	<0.79	<+1.12	Li
C	N/A	...	+2.75+-0.29	...	-0.18+-0.29	2.75+-0.29	8.25+-0.29	C
N	N/A	...	+1.90+-0.28	...	-1.03+-0.28	1.90+-0.28	6.80+-0.28	N
O	N/A	...	<+2.30	...	<-0.63	<2.30	<8.06	O
Na	N/A	...	>+1.00	...	>-1.93	>1.00	>4.31	Na
Mg	N/A	...	+0.64+-0.23	...	-2.29+-0.23	0.64+-0.23	5.31+-0.23	Mg
Al	N/A	...	+0.46+-0.24	...	-2.47+-0.24	0.46+-0.24	3.98+-0.24	Al
Ca	N/A	...	+0.49+-0.22	...	-2.44+-0.22	0.49+-0.22	3.90+-0.22	Ca
Ti	N/A	...	+0.71+-0.25	...	-2.22+-0.25	0.71+-0.25	2.73+-0.25	Ti
V	N/A	...	+0.67+-0.22	...	-2.26+-0.22	0.67+-0.22	1.67+-0.22	V
Cr	N/A	...	+0.08+-0.23	...	-2.85+-0.23	0.08+-0.23	2.79+-0.23	Cr
Mn	N/A	...	-0.18+-0.24	...	-3.11+-0.24	-0.18+-0.24	2.32+-0.24	Mn
Fe	N/A	-2.93+-0.20	...	...	-2.93+-0.20	...	4.57+-0.20	Fe
Co	N/A	...	+0.28+-0.25	...	-2.65+-0.25	0.28+-0.25	2.34+-0.25	Co
Ni	N/A	...	+0.37+-0.24	...	-2.56+-0.24	0.37+-0.24	3.66+-0.24	Ni
Zn	N/A	...	<+0.90	...	<-2.03	<0.90	<2.53	Zn
Sr	N/A	...	+0.25+-0.25	...	-2.68+-0.25	0.25+-0.25	0.19+-0.25	Sr
Ba	N/A	...	<-1.80	...	<-4.73	<-1.80	<-2.55	Ba
Eu	N/A	...	<+0.80	...	<-2.13	<0.80	<-1.61	Eu

Isotopic Ratio

¹²C/¹³C

13

Binary Parameters

Vrad

28.6+-0.3

Position

Right Ascension : 01 02 58.50

Declination : -16 06 31.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2005-11-18	N/A	VLT	45000	3-39	3600	28.6+-0.3