HE0233-0343

HE0233-0343

taken from 2 paper(s):

/T.Hansen et al.(2014)/ /T.Hansen et al.(2015)/

T.Hansen et al.,ApJ, 787, 162, 2014(ADS)

Exploring the Origin of Lithium, Carbon, Strontium, and Barium with Four New Ultra Metal-poor Stars

Stellar Parameters

T_eff : 6100+-100

log g : 3.4+-0.3

v_turb : 2.0+-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	...	...	1.77+-0.18	-1.49+-0.18	3.19+-0.18	1.77+-0.18	Li
C	N/A	...	+3.48+-0.24	...	-1.20+-0.24	3.48+-0.24	7.23+-0.24	C
N	N/A	...	<+2.80	...	<-1.88	<2.80	<5.95	N
Na	N/A	...	<+0.50	...	<-4.18	<0.50	<2.06	Na
Mg	N/A	...	+0.59+-0.15	...	-4.09+-0.15	0.59+-0.15	3.51+-0.15	Mg
Al	N/A	...	<+0.03	...	<-4.65	<0.03	<1.80	Al
Si	N/A	...	+0.37+-0.15	...	-4.31+-0.15	0.37+-0.15	3.20+-0.15	Si
Ca	N/A	...	+0.34+-0.15	...	-4.34+-0.15	0.34+-0.15	2.00+-0.15	Ca
Sc	N/A	...	<+0.20	...	<-4.48	<0.20	<-1.33	Sc
Ti	N/A	...	+0.18+-0.17	...	-4.50+-0.17	0.18+-0.17	0.45+-0.17	Ti
Cr	N/A	...	<+0.50	...	<-4.18	<0.50	<1.46	Cr
Mn	N/A	...	<-0.10	...	<-4.78	<-0.10	<0.65	Mn
Fe	N/A	-4.68+-0.30	...	...	-4.68+-0.30	...	2.82+-0.30	Fe
Co	N/A	...	<+1.60	...	<-3.08	<1.60	<1.91	Co
Ni	N/A	...	<+0.90	...	<-3.78	<0.90	<2.44	Ni
Sr	N/A	...	+0.32+-0.19	...	-4.36+-0.19	0.32+-0.19	-1.49+-0.19	Sr
Ba	N/A	...	<+0.80	...	<-3.88	<0.80	<-1.70	Ba

Binary Parameters

Vrad

64

Position

Right Ascension : 02 36 29.70

Declination : -03 30 06.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2005-11-17	N/A	VLT	45000	10-55	N/A	64
2005-11-20	N/A	VLT	45000	10-55	N/A	64
2006-04-17	N/A	VLT	45000	10-55	N/A	64

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

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

Stellar Parameters

T_eff : 6100+-100

log g : 3.4+-0.3

v_turb : 2.0+-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	...	...	+1.77+-0.18	-1.49+-0.18	3.19+-0.18	+1.77+-0.18	Li
C	N/A	...	+3.48+-0.24	...	-1.20+-0.24	3.48+-0.24	7.23+-0.24	C
N	N/A	...	<+2.80	...	<-1.88	<2.80	<5.95	N
O	N/A	...	<+4.00	...	<-0.68	<4.00	<8.01	O
Na	N/A	...	<+0.50	...	<-4.18	<0.50	<2.06	Na
Mg	N/A	...	+0.59+-0.15	...	-4.09+-0.15	0.59+-0.15	3.51+-0.15	Mg
Al	N/A	...	<+0.03	...	<-4.65	<0.03	<1.80	Al
Si	N/A	...	+0.05+-0.16	...	-4.63+-0.16	0.05+-0.16	2.88+-0.16	Si
Ca	N/A	...	+0.34+-0.15	...	-4.34+-0.15	0.34+-0.15	2.00+-0.15	Ca
Sc	N/A	...	+0.00+-0.18	...	-4.68+-0.18	0.00+-0.18	-1.53+-0.18	Sc
Ti	N/A	...	+0.18+-0.17	...	-4.50+-0.17	0.18+-0.17	0.45+-0.17	Ti
V	N/A	...	<+2.50	...	<-2.18	<2.50	<1.75	V
Cr	N/A	...	<+0.50	...	<-4.18	<0.50	<1.46	Cr
Mn	N/A	...	<+0.20	...	<-4.48	<0.20	<0.95	Mn
Fe	N/A	-4.68+-0.20	...	...	-4.68+-0.20	...	2.82+-0.20	Fe
Co	N/A	...	<+1.60	...	<-3.08	<1.60	<1.91	Co
Ni	N/A	...	<+0.90	...	<-3.78	<0.90	<2.44	Ni
Zn	N/A	...	<+2.60	...	<-2.08	<2.60	<2.48	Zn
Sr	N/A	...	+0.32+-0.19	...	-4.36+-0.19	0.32+-0.19	-1.49+-0.19	Sr
Ba	N/A	...	<+0.80	...	<-3.88	<0.80	<-1.70	Ba
Eu	N/A	...	<+3.00	...	<-1.68	<3.00	<-1.16	Eu

Isotopic Ratio

¹²C/¹³C

>5

Binary Parameters

Vrad

63.5+-0.6

Position

Right Ascension : 02 36 29.70

Declination : -03 30 06.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2005-11-17	N/A	VLT	45000	9-42	3600	63.5+-0.6
2005-11-18	N/A	VLT	45000	N/A	7200	N/A
2005-11-19	N/A	VLT	45000	N/A	4940	N/A
2005-11-20	N/A	VLT	45000	N/A	3600	N/A