HE2155-3750

HE2155-3750

taken from 1 paper(s):

/J.G.Cohen et al.(2013)/

J.G.Cohen et al.,ApJ, 778, 56, 2013(ADS)

Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <-2

Stellar Parameters

T_eff : 5000+-100

log g : 2.3+-0.25

v_turb : 1.7+-0.2

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
CH	N/A	...	1.7	...	-0.73	1.91	7.70	CH
Na I	2	...	0.31+-0.15	...	-2.20+-0.15	0.44+-0.15	4.04+-0.15	Na I
Mg I	2	...	0.55+-0.04	...	-2.10+-0.04	0.54+-0.04	5.50+-0.04	Mg I
Si I	2	...	1.7+-0.3	...	-0.85+-0.3	1.79+-0.3	6.66+-0.3	Si I
K I	1	...	1.09	...	-1.41	1.23	3.62	K I
Ca I	4	...	0.69+-0.21	...	-1.88+-0.21	0.76+-0.21	4.46+-0.21	Ca I
Sc II	1	...	0.53	...	-2.11	0.53	1.04	Sc II
Ti I	3	...	0.73+-0.14	...	-1.82+-0.14	0.82+-0.14	3.13+-0.14	Ti I
Ti II	5	...	0.82+-0.29	...	-1.73+-0.29	0.91+-0.29	3.22+-0.29	Ti II
Cr I	1	...	-0.38	...	-2.94	-0.30	2.70	Cr I
Fe I	N/A	-2.59+-0.2	...	...	-2.64+-0.2	...	4.86+-0.2	Fe I
Fe II	3	-2.57+-0.3	0.02+-0.3	...	-2.62+-0.3	0.02+-0.3	4.88+-0.3	Fe II
Y II	5	...	0.78+-0.15	...	-1.78+-0.15	0.86+-0.15	0.43+-0.15	Y II
Ba II	3	...	1.92+-0.16	...	-0.72+-0.16	1.92+-0.16	1.46+-0.16	Ba II
La II	5	...	1.65+-0.17	...	-0.90+-0.17	1.74+-0.17	0.20+-0.17	La II
Ce II	2	...	1.74+-0.02	...	-0.88+-0.02	1.76+-0.02	0.70+-0.02	Ce II
Nd II	4	...	1.89+-0.18	...	-0.62+-0.18	2.02+-0.18	0.80+-0.18	Nd II
Eu II	1	...	<1.65	...	<-0.95	<1.69	<-0.43	Eu II

Binary Parameters

Vrad

62.2

Position

Right Ascension : 21 58 09.80

Declination : -37 36 20.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2004-10	N/A	MIKELCO	42000	100	4650	62.2