BD+20_3603
Original Names

• G183-11 in P.E.Nissen+,AAP, 390, 235, 2002
• HIP87693 in K.A.Venn+,AJ, 128, 1177, 2004


taken from 8 paper(s):


/G.S.Bai et al.(2004)/ /J.P.Fulbright(2000)/ /A.M.Boesgaard et al.(1999)/ /R.Smiljanic et al.(2009)/ /C.Charbonnel and F. Primas(2005)/ /A.E.GarciaPerez et al.(2009)/ /J.A.Rich and A. M. Boesgaard(2009)/ /A.M.Boesgaard et al.(2011)/



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G.S.Bai et al.,AAP, 425, 671, 2004(ADS)

Chemical abundances of 10 metal-poor halo stars




Stellar Parameters

Teff : 6138

log g : 3.95+-0.3

vturb : 1.50

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	...	0.66	...	-1.29	0.80	7.40	O I
Na I	N/A	...	-0.44	...	-2.44	-0.35	3.80	Na I
Mg I	N/A	...	0.36	...	-1.75	0.34	5.85	Mg I
Si I	N/A	...	0.73	...	-1.32	0.77	6.19	Si I
Ca I	N/A	...	0.37	...	-1.70	0.39	4.64	Ca I
Sc II	N/A	...	0.17	...	-1.90	0.19	1.25	Sc II
Ti	N/A	...	0.53	...	-1.49	0.60	3.46	Ti
Cr	N/A	...	0.05	...	-2.01	0.08	3.63	Cr
Mn I	N/A	...	-0.27	...	-2.40	-0.31	3.03	Mn I
Fe I	N/A	-2.09	...	...	-2.09	...	5.41	Fe I
Ba II	N/A	...	0.04	...	-2.10	-0.01	0.08	Ba II




Position

Right Ascension : 17 54 43.20

Declination : +20 16 16.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2001-04-16	N/A	PFESSAO	15000	218	N/A	N/A

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J.P.Fulbright et al.,AJ, 120, 1841, 2000(ADS)

ABUNDANCES AND KINEMATICS OF FIELD HALO AND DISK STARS. I. OBSERVATIONAL DATA AND ABUNDANCE ANALYSIS




Stellar Parameters

Teff : 6175

log g : 4

vturb : 0.9

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 I	N/A	...	...	2.3	-0.96	1.13	2.3	Li I
Na I	N/A	...	0.12	...	-1.90	0.19	4.34	Na I
Mg I	N/A	...	0.46	...	-1.67	0.42	5.93	Mg I
Ca I	N/A	...	0.39	...	-1.70	0.39	4.64	Ca I
Ti	N/A	...	0.48	...	-1.59	0.50	3.36	Ti
Cr I	N/A	...	-0.05	...	-2.13	-0.04	3.51	Cr I
Fe	N/A	-2.11	...	...	-2.09	...	5.41	Fe
Ni I	N/A	...	0.06	...	-2.02	0.07	4.20	Ni I
Ba II	N/A	...	-0.46	...	-2.62	-0.53	-0.44	Ba II




Position

Right Ascension : 17 54 43.20

Declination : +20 16 16.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
1998-08-08	N/A	LICKHAMILTON	50000	105	2700	N/A

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A.M.Boesgaard et al.,AJ, 117, 492, 1999(ADS)

OXYGEN IN UNEVOLVED METAL-POOR STARS FROM KECK ULTRAVIOLET HIRES SPECTRA




Stellar Parameters

Teff : 6234

log g : 4.33

vturb : 1.5

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	-1.38+-0.12	0.77+-0.20	7.55	-1.14+-0.12	0.84+-0.20	7.55	O
Fe	N/A	-2.15	...	...	-1.98	...	5.52	Fe




Position

Right Ascension : 17 54 43.20

Declination : +20 16 16.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
1994-07-05	N/A	KECKHIRES	45000	90	9300	N/A
1995-03-15	N/A	KECKHIRES	45000	90	N/A	N/A

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R.Smiljanic et al.,AAP, 499, 103, 2009(ADS)

Beryllium abundances and star formation in the halo and in the thick disk




Stellar Parameters

Teff : 6175

log g : 3.99

vturb : 0.9

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	...	...	2.2	-1.06	0.94	2.2	Li
Be	N/A	...	...	-0.77	-2.15	-0.15	-0.77	Be
Fe	N/A	-2	...	...	-2.00	...	5.50	Fe




Position

Right Ascension : 17 54 43.20

Declination : +20 16 16.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

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C.Charbonnel et al.,AAP, 442, 961, 2005(ADS)

The lithium content of the Galactic Halo stars




Stellar Parameters

Teff : 6212

log g : 4.00

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 I	N/A	...	...	2.221+0.045-0.041	-1.04+0.045-0.041	1.05+0.045-0.041	2.221+0.045-0.041	Li I
Fe	N/A	-2.09+-0.120	...	...	-2.09+-0.120	...	5.41+-0.120	Fe




Position

Right Ascension : 17 54 43.20

Declination : +20 16 16.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

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A.E.GarciaPerez et al.,AAP, 504, 213, 2009(ADS)

6Li/7Li estimates for metal-poor stars




Stellar Parameters

Teff : 6092

log g : 4.04

vturb : 1.5

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 I	N/A	...	...	2.14	-1.12	1.10	2.14	Li I
Fe II	N/A	-2.22	...	...	-2.22	...	5.28	Fe II




Isotopic Ratio

6Li/7Li

0.025+-0.025

Position

Right Ascension : 17 54 43.20

Declination : +20 16 16.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
05-05-18	N/A	SUBARUHDS	90000	437	1800	-241.6
05-05-18	N/A	SUBARUHDS	90000	437	4800	N/A
05-05-19	N/A	SUBARUHDS	90000	437	1800	N/A

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J.A.Rich et al.,ApJ, 701, 1519, 2009(ADS)

BERYLLIUM, OXYGEN, AND IRON ABUNDANCES IN EXTREMELY METAL-DEFICIENT STARS




Stellar Parameters

Teff : 6114+-89

log g : 4.27+-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
Be II	N/A	...	...	-0.6+-0.11	-1.98+-0.11	0.24+-0.11	-0.6+-0.11	Be II
OH	N/A	-1.66+-0.12	...	...	-1.48+-0.12	0.74+-0.12	7.21+-0.12	OH
Fe	N/A	-2.22+-0.16	...	...	-2.22+-0.16	...	5.28+-0.16	Fe




Position

Right Ascension : 17 54 43.20

Declination : +20 16 16.0

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	N/A	KECKHIRES	46000	N/A	N/A	N/A

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A.M.Boesgaard et al.,ApJ, 743, 140, 2011(ADS)

Beryllium and Alpha-element Abundances in a Large Sample of Metal-poor Stars




Stellar Parameters

Teff : 5908+-100

log g : 3.61+-0.2

vturb : 1.01+-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
Be	N/A	...	-0.17+-0.15	-0.93+-0.12	-2.31+-0.12	-0.13+-0.15	-0.93+-0.12	Be
O	N/A	-1.85+-0.22	+0.33+-0.24	...	-1.91+-0.22	0.27+-0.24	6.78+-0.22	O
Mg	N/A	-1.72+-0.07	...	...	-1.74+-0.07	0.44+-0.07	5.86+-0.07	Mg
Ti	N/A	-1.72+-0.09	...	...	-1.65+-0.09	0.53+-0.09	3.30+-0.09	Ti
Fe	N/A	-2.18+-0.09	...	...	-2.18+-0.09	...	5.32+-0.09	Fe




Position

Right Ascension :

Declination :

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2006-06-19	N/A	KECKHIRES	42000	102	1800	N/A