HE0945-1435

HE0945-1435

taken from 3 paper(s):

/J.E.Norris et al.(2013)/ /D.Yong et al.(2013)/ /T.Hansen et al.(2015)/

J.E.Norris et al.,ApJ, 762, 25, 2013(ADS)

The Most Metal-poor Stars. I. Discovery, Data, and Atmospheric Parameters

Stellar Parameters

T_eff : 6344+-40

log g : 4.4

Position

Right Ascension : 09 47 50.70

Declination : -14 49 07.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2008-3	2454551.731	KECKHIRES	49000	100	120.7	N/A
2008-3	2454551.753	KECKHIRES	49000	100	122.1	N/A
2008-3	2454552.727	KECKHIRES	49000	100	122.6	N/A
2008-3	2454552.742	KECKHIRES	49000	100	121.8	N/A
2008-3	2454552.757	KECKHIRES	49000	100	120.2	N/A
2008-3	2454552.772	KECKHIRES	49000	100	122.1	N/A
2008-3	2454552.786	KECKHIRES	49000	100	122.7	N/A
2008-3	2454552.801	KECKHIRES	49000	100	121.8	N/A

D.Yong et al.,ApJ, 762, 26, 2013(ADS)

THE MOST METAL-POOR STARS. II. CHEMICAL ABUNDANCES OF 190 METAL-POOR STARS INCLUDING 10 NEW STARS WITH [Fe/H] <-3.

Stellar Parameters

T_eff : 6344

log g : 3.71

v_turb : 1.4

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
C	N/A	...	<1.70	<6.36	<-2.07	<1.70	<6.36	C
Mg	2	...	-0.1+-0.14	3.72+-0.14	-3.88+-0.14	-0.11+-0.14	3.72+-0.14	Mg
Si	1	...	<2.00	<5.74	<-1.77	<2.00	<5.74	Si
Ca	2	...	0.26+-0.17	2.83+-0.17	-3.51+-0.17	0.26+-0.17	2.83+-0.17	Ca
Sc	1	...	0.15	-0.47	-3.62	0.15	-0.47	Sc
Cr	3	...	-0.24+-0.12	1.63+-0.12	-4.01+-0.12	-0.24+-0.12	1.63+-0.12	Cr
Fe I	15	-3.77+-0.1	...	3.73+-0.1	-3.77+-0.1	...	3.73+-0.1	Fe I
Sr	1	...	<-0.71	<-1.61	<-4.48	<-0.71	<-1.61	Sr
Ba	1	...	<0.25	<-1.34	<-3.52	<0.25	<-1.34	Ba

Position

Right Ascension : 09 47 50.70

Declination : -14 49 07.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
	N/A	VLT	N/A	N/A	N/A	N/A

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

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

Stellar Parameters

T_eff : 6300+-100

log g : 4.5+-0.3

v_turb : 1.6+-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	...	...	+1.88+-0.19	-1.38+-0.19	2.49+-0.19	+1.88+-0.19	Li
C	N/A	...	<+2.00	...	<-1.87	<2.00	<6.56	C
N	N/A	...	<+2.10	...	<-1.77	<2.10	<6.06	N
O	N/A	...	<+4.00	...	<0.13	<4.00	<8.82	O
Na	N/A	...	<-0.30	...	<-4.17	<-0.30	<2.07	Na
Mg	N/A	...	+0.11+-0.14	...	-3.76+-0.14	0.11+-0.14	3.84+-0.14	Mg
Al	N/A	...	<-0.50	...	<-4.37	<-0.50	<2.08	Al
Si	N/A	...	+0.31+-0.16	...	-3.56+-0.16	0.31+-0.16	3.95+-0.16	Si
Ca	N/A	...	+0.12+-0.18	...	-3.75+-0.18	0.12+-0.18	2.59+-0.18	Ca
Sc	N/A	...	<-0.10	...	<-3.97	<-0.10	<-0.82	Sc
Ti	N/A	...	-0.04+-0.18	...	-3.91+-0.18	-0.04+-0.18	1.04+-0.18	Ti
V	N/A	...	<+1.80	...	<-2.07	<1.80	<1.86	V
Cr	N/A	...	-0.17+-0.16	...	-4.04+-0.16	-0.17+-0.16	1.60+-0.16	Cr
Mn	N/A	...	<-0.20	...	<-4.07	<-0.20	<1.36	Mn
Fe	N/A	-3.87+-0.20	...	...	-3.87+-0.20	...	3.63+-0.20	Fe
Co	N/A	...	<+1.00	...	<-2.87	<1.00	<2.12	Co
Ni	N/A	...	+0.17+-0.14	...	-3.70+-0.14	0.17+-0.14	2.52+-0.14	Ni
Zn	N/A	...	<+1.80	...	<-2.07	<1.80	<2.49	Zn
Sr	N/A	...	<-0.90	...	<-4.77	<-0.90	<-1.90	Sr
Ba	N/A	...	<0.00	...	<-3.87	<0.00	<-1.69	Ba
Eu	N/A	...	<+2.20	...	<-1.67	<2.20	<-1.15	Eu

Binary Parameters

Vrad	144.8+-0.4

Position

Right Ascension : 09 47 50.70

Declination : -14 49 07.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2006-04-17	N/A	VLT	45000	12-80	3600	144.8+-0.4
2006-04-18	N/A	VLT	45000	N/A	7200	N/A