BD+31_3025

BD+31_3025

taken from 2 paper(s):

/R.G.Gratton et al.(2003)/ /B.E.Reddy et al.(2006)/

R.G.Gratton et al.,AAP, 404, 187, 2003(ADS)

Abundances for metal-poor stars with accurate parallaxes I. Basic data

Stellar Parameters

T_eff : 5360

log g : 4.38

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
O I	N/A	...	0.44+-0.069	...	0.02+-0.069	0.52+-0.069	8.71+-0.069	O I
Na I	N/A	...	0.04+-0.054	...	-0.48+-0.054	0.02+-0.054	5.76+-0.054	Na I
Mg I	N/A	...	0.37+-0.055	...	-0.29+-0.055	0.21+-0.055	7.31+-0.055	Mg I
Si I	N/A	...	0.2+-0.048	...	-0.27+-0.048	0.23+-0.048	7.24+-0.048	Si I
Ca I	N/A	...	0.26+-0.033	...	-0.30+-0.033	0.20+-0.033	6.04+-0.033	Ca I
Ti I	N/A	...	0.37+-0.03	...	0.00+-0.03	0.50+-0.03	4.95+-0.03	Ti I
Ti II	N/A	...	0.32+-0.048	...	-0.05+-0.048	0.45+-0.048	4.90+-0.048	Ti II
Fe I	N/A	-0.49+-0.051	...	...	-0.50+-0.051	...	7.00+-0.051	Fe I
Fe II	N/A	-0.54+-0.066	...	...	-0.55+-0.066	...	6.95+-0.066	Fe II

Position

Right Ascension : 17 26 41.40

Declination : +31 03 34.0

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	KECKNIRSPEC	50000	>100	N/A	-73.4

B.E.Reddy et al.,MNRAS, 367, 1329, 2006(ADS)

Elemental abundance survey of the Galactic thick disc

Stellar Parameters

T_eff : 5351

log g : 4.66

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
O	N/A	...	0.42	...	-0.36	0.51	8.33	O
Na	N/A	...	0.01	...	-0.78	0.09	5.46	Na
Mg	N/A	...	0.18	...	-0.70	0.17	6.90	Mg
Al	N/A	...	0.26	...	-0.73	0.14	5.72	Al
Si	N/A	...	0.34	...	-0.37	0.50	7.14	Si
Ca	N/A	...	0.05	...	-0.78	0.09	5.56	Ca
Sc	N/A	...	0.3	...	-0.43	0.44	2.72	Sc
Ti	N/A	...	0.15	...	-0.72	0.15	4.23	Ti
V	N/A	...	0.19	...	-0.56	0.31	3.37	V
Cr	N/A	...	0.04	...	-0.74	0.13	4.90	Cr
Mn	N/A	...	-0.3	...	-1.18	-0.31	4.25	Mn
Fe I	N/A	-0.82	...	...	-0.87	...	6.63	Fe I
Co	N/A	...	0.23	...	-0.65	0.22	4.34	Co
Ni	N/A	...	0.08	...	-0.73	0.14	5.49	Ni
Cu	N/A	...	-0.2	...	-1.02	-0.15	3.17	Cu
Zn	N/A	...	0.1	...	-0.81	0.06	3.75	Zn
Y	N/A	...	0.05	...	-0.86	0.01	1.35	Y
Ba	N/A	...	-0.31	...	-1.11	-0.24	1.07	Ba
Nd	N/A	...	0.63	...	-0.11	0.76	1.31	Nd
Eu	N/A	...	0.71	...	-0.02	0.85	0.50	Eu

Binary Parameters

Vrad

-74.1

Position

Right Ascension : 17 26 41.40

Declination : +31 03 34.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2004-06	N/A	MCDONALD	60000	100-200	N/A	-74.1