HE2239-5019

HE2239-5019

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 : 3.5+-0.3

v_turb : 1.8+-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	...	...	<1.70	<-1.56	<2.59	<1.70	Li
C	N/A	...	<+1.70	...	<-2.45	<1.70	<5.98	C
N	N/A	...	<+2.70	...	<-1.45	<2.70	<6.38	N
Na	N/A	...	<-0.30	...	<-4.45	<-0.30	<1.79	Na
Mg	N/A	...	+0.45+-0.15	...	-3.70+-0.15	0.45+-0.15	3.90+-0.15	Mg
Al	N/A	...	-0.57+-0.21	...	-4.72+-0.21	-0.57+-0.21	1.73+-0.21	Al
Si	N/A	...	+0.06+-0.15	...	-4.09+-0.15	0.06+-0.15	3.42+-0.15	Si
Ca	N/A	...	+0.23+-0.15	...	-3.92+-0.15	0.23+-0.15	2.42+-0.15	Ca
Sc	N/A	...	+0.26+-0.16	...	-3.89+-0.16	0.26+-0.16	-0.74+-0.16	Sc
Ti	N/A	...	+0.37+-0.17	...	-3.78+-0.17	0.37+-0.17	1.17+-0.17	Ti
Cr	N/A	...	0.00+-0.17	...	-4.15+-0.17	0.00+-0.17	1.49+-0.17	Cr
Mn	N/A	...	<-0.60	...	<-4.75	<-0.60	<0.68	Mn
Fe	N/A	-4.15+-0.30	...	...	-4.15+-0.30	...	3.35+-0.30	Fe
Co	N/A	...	<+0.70	...	<-3.45	<0.70	<1.54	Co
Ni	N/A	...	+0.24+-0.17	...	-3.91+-0.17	0.24+-0.17	2.31+-0.17	Ni
Sr	N/A	...	<-0.60	...	<-4.75	<-0.60	<-1.88	Sr
Ba	N/A	...	<0.00	...	<-4.15	<0.00	<-1.97	Ba

Binary Parameters

Vrad

370

Position

Right Ascension : 22 42 26.90

Declination : -50 04 01.0

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	370
2005-11-20	N/A	VLT	45000	10-55	N/A	370
2006-04-17	N/A	VLT	45000	10-55	N/A	370

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 : 3.5+-0.3

v_turb : 1.8+-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	...	...	<+1.70	<-1.56	<2.59	<+1.70	Li
C	N/A	...	<+1.70	...	<-2.45	<1.70	<5.98	C
N	N/A	...	<+2.70	...	<-1.45	<2.70	<6.38	N
O	N/A	...	<+4.00	...	<-0.15	<4.00	<8.54	O
Na	N/A	...	<-0.30	...	<-4.45	<-0.30	<1.79	Na
Mg	N/A	...	+0.45+-0.15	...	-3.70+-0.15	0.45+-0.15	3.90+-0.15	Mg
Al	N/A	...	-0.57+-0.21	...	-4.72+-0.21	-0.57+-0.21	1.73+-0.21	Al
Si	N/A	...	+0.06+-0.15	...	-4.09+-0.15	0.06+-0.15	3.42+-0.15	Si
Ca	N/A	...	+0.23+-0.15	...	-3.92+-0.15	0.23+-0.15	2.42+-0.15	Ca
Sc	N/A	...	+0.32+-0.16	...	-3.83+-0.16	0.32+-0.16	-0.68+-0.16	Sc
Ti	N/A	...	+0.37+-0.17	...	-3.78+-0.17	0.37+-0.17	1.17+-0.17	Ti
V	N/A	...	<+2.00	...	<-2.15	<2.00	<1.78	V
Cr	N/A	...	+0.00+-0.17	...	-4.15+-0.17	0.00+-0.17	1.49+-0.17	Cr
Mn	N/A	...	<-0.10	...	<-4.25	<-0.10	<1.18	Mn
Fe	N/A	-4.15+-0.20	...	...	-4.15+-0.20	...	3.35+-0.20	Fe
Co	N/A	...	<+1.00	...	<-3.15	<1.00	<1.84	Co
Ni	N/A	...	+0.24+-0.17	...	-3.91+-0.17	0.24+-0.17	2.31+-0.17	Ni
Zn	N/A	...	<+2.00	...	<-2.15	<2.00	<2.41	Zn
Sr	N/A	...	<-0.60	...	<-4.75	<-0.60	<-1.88	Sr
Ba	N/A	...	<+0.00	...	<-4.15	<0.00	<-1.97	Ba
Eu	N/A	...	<+2.50	...	<-1.65	<2.50	<-1.13	Eu

Binary Parameters

Vrad	368.7+-0.5

Position

Right Ascension : 22 42 26.90

Declination : -50 04 01.0

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	9-44	10800	368.7+-0.5