20289-2220 DON 987 (HD 194894)

20^h 28^m 54.30^s -22° 19' 54.9" P.A. 77.00 sep 5.7 mag 9.69,11.70 Sp A2IV

Coord 2000	20289-2220	Discov num	DON 987	Comp		Coord arcsec 2000	20 28 54.30 -22 19 54.9
Date first	1920	Date last	2010	Obs	7
Pa first	75	Pa last	76.7	P.A. Now (θ)	76.7°
Sep first	4.9	Sep last	5.67	Sep. Now (ρ)	5.67"
Mag pri	9.69	Mag sec	11.70	delta mag (ΔM)	2.01	Spectral class	A2IV (white)
Pri motion ra	-011	Sec motion ra
Pri motion dec	-013	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 194894		Constellation	Capricornus		Tycho2	6341-00350-1		Gaia DR2	6855906765321836288
HD	194894

WDS 20289-2220 DON 987 (HD 194894) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Don1937	Ma j	Donner, H.F.	1937MmRAS..65...51R
Don1937		MemRAS 65, 51, 1937
Don1955	Ma -	Donner, H.F.	1955POMic..11....1R
Don1955		Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964	Ma j	Donner, H.F.	1964POMic...9...73R
Don1964		Pub. Univ. Michigan Obs. 9, 73, 1964

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20289-2220	DON 987		1998	5	76	5.9	9.69	11.70	A2IV	D	202854.30-221954.9
20289-2220	DON 987		1999	6	77	5.8	9.69	11.70	A2IV	D	202854.30-221954.9
20289-2220	DON 987		2010	7	77	5.3	9.69	11.70	A2IV		202854.30-221954.9

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WDS 20289-2220 DON 987 (HD 194894) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20289-2220 DON 987 (HD 194894) : MEASURES

No records found.

WDS 20289-2220 (HD 194894) : VIRTUAL EYEPIECE

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WDS 20289-2220 (HD 194894) : ALADIN DSS IMAGE @ 20^h 28^m 54.30^s -22° 19' 54.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20289-2220 DON 987 (HD 194894) : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20289-2220	DON 987		77	5.7
Show		20297-2220	OCC 675		-1	0.1	11
Show		20292-2240	RST3261		24	2.0	21
Show		20270-2234	OCC1133		-1	0.2	30
Show		20322-2209	HJ 2973	AB	129	39.4	48
Show		20322-2209	OCC 674	Ba,Bb	-1	0.1	48
Show		20279-2310	ARA2272		157	5.8	53
Show		20252-2215	ARA1928		109	6.5	53
Show		20327-2213	UC 4210		172	46.3	54
Show		20253-2154	ARA1929		303	7.7	56
Show		20253-2259	TSN 193		269	0.9	64
Show		20325-2142	SEE 420		84	1.6	64
Show		20335-2214	HJ 2975		21	10.3	65
Show		20244-2158	BRT1564		113	2.7	67
Show		20245-2150	ARA1927		196	8.4	70
Show		20238-2227	ARA1925		131	6.0	72
Show		20253-2128	ARA1581		142	14.9	73
Show		20346-2219	LDS4850		18	89.2	78
Show		20330-2117	ARA1582		7	8.2	86
Show		20246-2111	B 1893		58	2.3	92
Show		20232-2135	ARA1580		202	6.6	92
Show		20283-2048	CVR 870		313	29.2	92
Show		20257-2341	HJ 2957	AB	276	15.0	93
Show		20257-2341	DAW 227	AC	56	19.7	93
Show		20287-2359	RSS 549		29	11.4	100
Show		20219-2153	LDS 709		169	41.0	102
Show		20310-2039	BRT2231		84	3.0	106
Show		20217-2149	ARA1924		185	14.3	106
Show		20334-2054	HDS2937		333	0.3	107
Show		20285-2410	CHR 98		112	0.2	111
Show		20368-2239	KPP1705		335	13.2	111
Show		20361-2127	UC 4229		313	14.3	114
Show		20304-2415	NSN 496		237	11.3	118
Show		20207-2150	ARA1923			8.7	119
Show		20299-2418	UC 4201		239	33.1	119
Show		20270-2023	DON 986		127	0.6	120
Show		20363-2113	ARA1583		309	5.8	123
Show		20217-2100	BRT1563		154	6.2	129
Show		20221-2052	UC 4159		334	6.6	130
Show		20381-2244	B 497		275	0.6	130
Show		20383-2234	ARA1932		215	12.6	131
Show		20171-2119	SEE 412		230	25.7	132
Show		20353-2358	BRT3092		150	5.9	133
Show		20197-2138	BRT1562		183	3.2	136
Show		20354-2037	ARA1212		38	12.4	138
Show		20191-2242	ARA2271		345	12.6	138
Show		20342-2024	BHA 40		77	7.2	139
Show		20271-2438	B 483		57	4.4	140
Show		20320-2006	ARA1209		278	5.8	141
Show		20199-2112	TDT2176		224	2.5	143
Show		20305-1955	OCC 190		-1	0.1	147

WDS 20289-2220 : COMPONENTS

	A
B	pa=75.7° sep=5.27"

20289-2220 A

Componente originario normalizzato	AB	Name	HD 194894	Coord arcsec 2000	202854.30-221954.9	Mag	9.69
Spectral class	A2IV (white)	PmRA	-11.00	PmDE	-13.0	Tycho2	6341-00350-1
HD	194894

Tycho2

Tycho2	6341-00350-1	Pflag		RAmdeg	307.22624935	DEmdeg	-22.33192538
PmRA	-1.1	PmDE	-6.4	E RAmdeg	14	E DEmdeg	18
E pmRA	1.7	E pmDE	1.8	EpRAm	1989.30	EpDEm	1987.93
Num	4	Q RAmdeg	2.0	Q DEmdeg	0.3	Q pmRA	2.0
Q pmDE	0.3	BTmag	9.726	E BTmag	0.026	VTmag	9.695
E VTmag	0.032	Prox	999	TYC	T	HIP
CCDM		RAdeg	307.22625139	DEdeg	-22.33191000	EpRA 1990	1.81
EpDE 1990	1.47	E RAdeg	15.0	E DEdeg	19.0	Posflg
Corr	0.1

20289-2220 B

Componente originario normalizzato	AB		Coord arcsec 2000	202854.67-221953.6		Mag	11.7		Calc delta mag	2.01
Calc coord	yes