HD200654
Original Names

• CD-50_13237 in C.Charbonnel+,AAP, 442, 961, 2005
• HIP104191 in K.A.Venn+,AJ, 128, 1177, 2004
• J210634.7-495749 in G.R.Ruchti+,ApJ, 737, 9, 2011


taken from 6 paper(s):


/A.McWilliam et al.(1995)/ /A.McWilliam et al.(1995)/ /A.E.GarciaPerez and F. Primas(2006)/ /K.Jonsell et al.(2005)/ /A.E.GarciaPerez et al.(2006)/ /I.U.Roederer et al.(2014)/



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A.McWilliam et al.,AJ, 109, 2736, 1995(ADS)

A Spectroscopic Analysis of 33 of the Most Metal-Poor Stars.I.




Position

Right Ascension : 21 06 34.70

Declination : -49 57 50.0

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	FRUTTI	22000	N/A	N/A	N/A

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A.McWilliam et al.,AJ, 109, 2757, 1995(ADS)

Spectroscopic Analysis of 33 of the Most Metal Poor Stars. II.




Stellar Parameters

Teff : 5160

log g : 2.55+-0.26

vturb : 1.69+-0.11

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	...	0.16	...	-2.53	0.12	5.90	C
Na	N/A	...	-0.03	...	-2.76	-0.11	3.48	Na
Mg	N/A	...	0.33	...	-2.51	0.14	5.09	Mg
Ca	N/A	...	0.45	...	-2.35	0.30	3.99	Ca
Fe I	N/A	-2.82	...	...	-2.65	...	4.85	Fe I
Fe II	N/A	-2.83	...	...	-2.66	...	4.84	Fe II
Ni	N/A	...	-0.05	...	-2.84	-0.19	3.38	Ni
Sr	N/A	...	-0.45	...	-3.24	-0.59	-0.37	Sr
Ba	N/A	...	-0.63	...	-3.50	-0.85	-1.32	Ba




Position

Right Ascension : 21 06 34.70

Declination : -49 57 50.0

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	FRUTTI	22000	N/A	N/A	N/A

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A.E.GarciaPerez et al.,AAP, 447, 299, 2006(ADS)

Li and Be depletion in metal-poor subgiants




Stellar Parameters

Teff : 5292

log g : 2.86+-0.35

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	...	...	1.09+-0.10	-2.17+-0.10	0.56+-0.10	1.09+-0.10	Li I
Be II	N/A	...	...	<-2.06+-0.17	<-3.44+-0.17	<-0.71+-0.17	<-2.06+-0.17	Be II
Fe	N/A	-2.73	...	...	-2.73	...	4.77	Fe




Position

Right Ascension : 21 06 34.70

Declination : -49 57 50.0

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	55000	100-500	N/A	N/A

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K.Jonsell et al.,AAP, 440, 321, 2005(ADS)

Chemical abundances in 43 metal-poor stars




Stellar Parameters

Teff : 5340

log g : 2.96

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
Mg I	N/A	...	0.64	...	-2.37	0.62	5.23	Mg I
Ca I	N/A	...	0.70	...	-2.27	0.72	4.07	Ca I
Fe	N/A	-2.99	...	...	-2.99	...	4.51	Fe
Ba II	N/A	...	-0.73	...	-3.77	-0.78	-1.59	Ba II




Position

Right Ascension : 21 06 34.70

Declination : -49 57 50.0

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	CATCESESO	60000	200	N/A	N/A

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A.E.GarciaPerez et al.,AAP, 451, 621, 2006(ADS)

Oxygen abundances in metal-poor subgiants as determined from [O I], O I and OH lines




Stellar Parameters

Teff : 5292

log g : 2.86+-0.35

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 I	N/A	...	<0.74	...	<-1.94	<0.79	<6.75	O I
OH	N/A	...	0.84	...	-1.84	0.89	6.85	OH
Fe II	N/A	-2.73+-0.08	...	...	-2.73+-0.08	...	4.77+-0.08	Fe II




Binary Parameters

Vrad

-46.1

Position

Right Ascension : 21 06 34.70

Declination : -49 57 50.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2000-10	N/A	VLT	55000	250	N/A	N/A

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I.U.Roederer et al.,AJ, 147, 136, 2014(ADS)

A SEARCH FOR STARS OF VERY LOW METAL ABUNDANCE. VI. DETAILED ABUNDANCES OF 313 METAL-POOR STARS




Stellar Parameters

Teff : 5080+-36

log g : 2.25+-0.14

vturb : 1.35+-0.06

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	1	...	...	0.83	-2.43	0.70	0.83	Li I
CH	1	...	0.31+-0.25	5.68	-2.75	0.38+-0.25	5.68	CH
NH	1	...	-0.40+-0.36	4.37	-3.46	-0.33+-0.36	4.37	NH
O I	3	...	<1.04	<6.60	<-2.09	<1.04	<6.60	O I
Mg I	8	...	0.50+-0.15	4.98	-2.62	0.51+-0.15	4.98	Mg I
Al I	1	...	-0.66+-0.28	2.66	-3.79	-0.66+-0.28	2.66	Al I
K I	1	...	0.37+-0.18	2.27	-2.76	0.37+-0.18	2.27	K I
Ca I	12	...	0.47+-0.17	3.68	-2.66	0.47+-0.17	3.68	Ca I
Sc II	8	...	0.06+-0.16	0.15	-3.00	0.13+-0.16	0.15	Sc II
Ti I	18	...	0.25+-0.15	2.08	-2.87	0.26+-0.15	2.08	Ti I
Ti II	32	...	0.25+-0.16	2.14	-2.81	0.32+-0.16	2.14	Ti II
V I	1	...	0.10+-0.18	0.90	-3.03	0.10+-0.18	0.90	V I
V II	2	...	0.12+-0.27	0.99	-2.94	0.19+-0.27	0.99	V II
Cr I	10	...	-0.20+-0.17	2.32	-3.32	-0.19+-0.17	2.32	Cr I
Cr II	3	...	0.06+-0.19	2.64	-3.00	0.13+-0.19	2.64	Cr II
Mn I	5	...	-0.34+-0.16	1.96	-3.47	-0.34+-0.16	1.96	Mn I
Mn II	3	...	-0.40+-0.21	1.97	-3.46	-0.33+-0.21	1.97	Mn II
Fe I	119	-3.13+-0.15	...	4.37	-3.13+-0.15	...	4.37	Fe I
Fe II	11	-3.06+-0.16	...	4.44	-3.06+-0.16	...	4.44	Fe II
Co I	10	...	0.13+-0.21	1.99	-3.00	0.13+-0.21	1.99	Co I
Ni I	11	...	0.13+-0.22	3.22	-3.00	0.13+-0.22	3.22	Ni I
Zn I	2	...	0.32+-0.17	1.76	-2.80	0.33+-0.17	1.76	Zn I
Rb I	1	...	<2.68	<2.07	<-0.29	<2.84	<2.07	Rb I
Sr II	2	...	-0.19+-0.23	-0.38	-3.25	-0.12+-0.23	-0.38	Sr II
Y II	2	...	-0.69+-0.20	-1.54	-3.75	-0.62+-0.20	-1.54	Y II
Zr II	1	...	-0.23+-0.17	-0.71	-3.29	-0.16+-0.17	-0.71	Zr II
Nb II	1	...	<1.56	<-0.04	<-1.50	<1.63	<-0.04	Nb II
Mo I	1	...	<0.79	<-0.46	<-2.34	<0.79	<-0.46	Mo I
Tc I	1	...	...	<0.00	<0.00	<3.13	<0.00	Tc I
Sn I	1	...	<2.01	<0.95	<-1.12	<2.01	<0.95	Sn I
Ba II	2	...	-1.10+-0.16	-1.98	-4.16	-1.03+-0.16	-1.98	Ba II
La II	1	...	<0.06	<-1.90	<-3.00	<0.13	<-1.90	La II
Ce II	5	...	<0.02	<-1.46	<-3.04	<0.09	<-1.46	Ce II
Pr II	1	...	<0.79	<-1.55	<-2.27	<0.86	<-1.55	Pr II
Nd II	5	...	<0.00	<-1.64	<-3.06	<0.07	<-1.64	Nd II
Sm II	2	...	<0.45	<-1.65	<-2.61	<0.52	<-1.65	Sm II
Eu II	1	...	<0.01	<-2.53	<-3.05	<0.08	<-2.53	Eu II
Gd II	3	...	<0.79	<-1.20	<-2.27	<0.86	<-1.20	Gd II
Tb II	3	...	<0.95	<-1.81	<-2.13	<1.00	<-1.81	Tb II
Dy II	1	...	<0.51	<-1.45	<-2.55	<0.58	<-1.45	Dy II
Er II	3	...	<0.32	<-1.82	<-2.74	<0.39	<-1.82	Er II
Tm II	2	...	<0.89	<-2.07	<-2.19	<0.94	<-2.07	Tm II
Yb II	1	...	-0.68+-0.46	-2.82	-3.74	-0.61+-0.46	-2.82	Yb II
Hf II	2	...	<1.22	<-0.99	<-1.70	<1.43	<-0.99	Hf II
Pb I	1	...	<1.58	<0.49	<-1.55	<1.58	<0.49	Pb I
Th II	3	...	<1.16	<-1.84	<-1.90	<1.23	<-1.84	Th II




Binary Parameters

Binarity	Negative
Vrad	-44.9

Position

Right Ascension : 21 06 34.70

Declination : -49 57 50.0

Galactic Longitude (l) : N/A

Galactic Latitude (b) : N/A

Observing Log

Date of Observation	JD	Facility	Resolution	S/N	Exposure Time	Vrad
2003-05-24-10:27	2452783.938	MIKEBAADE	41000	240-520	200	-45.3
2005-05-30-10:29	2453520.94	MIKELCO	41000	240-520	100	-44.4