21296+4626 HDS 3059 (HD 204812)

21^h 29^m 36.72^s +46° 25' 35.2" P.A. 142.00 sep 0.7 mag 6.80,10.84 Sp A3 dist. 306.75 pc (1000.62 l.y.)

Coord 2000	21296+4626	Discov num	HDS3059	Comp		Coord arcsec 2000	21 29 36.72 +46 25 35.2
Date first	1991	Date last	2012	Obs	3
Pa first	217	Pa last	142	P.A. Now (θ)	142°
Sep first	0.4	Sep last	0.669	Sep. Now (ρ)	0.669"
Mag pri	6.80	Mag sec	10.84	delta mag (ΔM)	4.04	Spectral class	A3 (white)
Pri motion ra	+008	Sec motion ra
Pri motion dec	+002	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Name	HD 204812	Constellation	Cygnus	SAO	50935	HIP	106108
Tycho2	3590-01559-1	Gaia DR2	1972193804899677440	HD	204812	GC	30112
BD	BD+45 3559	Distance	306.75	Distance ly	1000.62

WDS 21296+4626 HDS 3059 (HD 204812) : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
HDS		Hipparcos Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
21296+4626	HDS3059		1991	1	217	0.4	6.80	10.84	A3		212936.72+462535.2
21296+4626	HDS3059		2003	2	197	0.4	6.80	10.84	A3		212936.72+462535.2
21296+4626	HDS3059		2012	3	142	0.7	6.80	10.84	A3		212936.72+462535.2

If you need more information about this double, apply for a data request form to the WDS.

WDS 21296+4626 HDS 3059 (HD 204812) : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21296+4626 HDS 3059 (HD 204812) : MEASURES

No records found.

WDS 21296+4626 (HD 204812) : VIRTUAL EYEPIECE

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

WDS 21296+4626 (HD 204812) : ALADIN DSS IMAGE @ 21^h 29^m 36.72^s +46° 25' 35.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21296+4626 HDS 3059 (HD 204812) : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21296+4626	HDS3059		142	0.7
Show		21292+4629	ES 1274	CD	46	6.0	6
Show		21292+4629	ES 1274	AB	242	3.2	10
Show		21305+4620	A 768		335	0.7	12
Show		21282+4607	TDT2981		101	2.0	24
Show		21259+4622	ES 1170	AB	345	5.3	39
Show		21259+4622	ES 1170	AC	343	10.5	39
Show		21311+4701	CLZ 80		346	9.3	39
Show		21254+4633	SKF1392		279	33.0	44
Show		21301+4539	POP 149		296	3.9	48
Show		21282+4713	ES 1171	AB	197	3.8	50
Show		21282+4713	ES 1171	AC	232	21.5	50
Show		21343+4630	ES 518		14	4.6	50
Show		21258+4658	OL 221		14	2.2	53
Show		21247+4640	KPP1079		10	8.6	53
Show		21304+4717	ES 516		147	3.4	53
Show		21241+4623	TOI1324		194	1.5	58
Show		21345+4559	HJ 1660		261	6.5	58
Show		21346+4654	TDT3038		135	0.6	59
Show		21352+4634	LDS4898		71	3.9	60
Show		21353+4612	TOR 28		324	13.1	60
Show		21240+4611	SKF1391		154	30.5	61
Show		21291+4727	TDS1130		176	1.3	63
Show		21297+4732	A 767		169	1.3	67
Show		21341+4718	HDS3072		49	0.3	70
Show		21318+4518	POP 150		219	4.4	71
Show		21293+4512	ES 100	AB	157	4.4	73
Show		21293+4512	ES 100	AC	333	29.9	73
Show		21365+4609	ES 101		4	5.3	73
Show		21278+4515	ES 1335		287	8.5	74
Show		21342+4721	BKO 160	AB	195	9.1	74
Show		21342+4721	BKO 160	AC	12	7.5	74
Show		21303+4740	COU2440		179	0.5	74
Show		21238+4710	A 765	AB	22	0.6	75
Show		21238+4710	A 765	AB,C	22	26.4	75
Show		21238+4710	A 765	CD	345	5.9	75
Show		21263+4732	TDT2966		196	0.8	75
Show		21336+4522	UC 263	AB	64	66.2	77
Show		21345+4725	ES 1172	AB	104	6.4	78
Show		21345+4725	ES 1172	AC	205	16.3	78
Show		21345+4725	ABH 146	AD	170	30.6	78
Show		21345+4725	ABH 146	AE	33	32.6	78
Show		21345+4725	ABH 146	AF	58	49.7	78
Show		21345+4725	ABH 146	AG	104	48.6	78
Show		21345+4725	ABH 146	AH	247	43.1	78
Show		21345+4725	ABH 146	AI	92	119.9	78
Show		21345+4725	ABH 146	AJ	250	107.2	78
Show		21345+4725	ABH 146	AK	246	112.4	78
Show		21345+4725	ABH 146	AL	232	102.7	78
Show		21306+4742	ES 824		353	6.0	79
Show		21350+4723	ES 1173		95	3.8	80

WDS 21296+4626 : COMPONENTS

	A
B	pa=151.7° sep=0.60"

21296+4626 A

Componente originario normalizzato	AB	Name	HD 204812	Coord arcsec 2000	212936.72+462535.2	Mag	6.8
Spectral class	A3 (white)	PmRA	8.00	PmDE	2.0	SAO	50935
HIP	106108	Tycho2	3590-01559-1	HD	204812	GC	30112
BD	BD+45 3559

Tycho2

Tycho2	3590-01559-1	Pflag		RAmdeg	322.40303314	DEmdeg	46.42645198
PmRA	8.2	PmDE	-0.9	E RAmdeg	4	E DEmdeg	4
E pmRA	1.0	E pmDE	1.0	EpRAm	1991.32	EpDEm	1991.43
Num	12	Q RAmdeg	1.5	Q DEmdeg	1.8	Q pmRA	1.5
Q pmDE	1.9	BTmag	6.900	E BTmag	0.014	VTmag	6.739
E VTmag	0.010	Prox	999	TYC	T	HIP	106108
CCDM	AB	RAdeg	322.40300556	DEdeg	46.42645417	EpRA 1990	1.59
EpDE 1990	1.68	E RAdeg	3.7	E DEdeg	3.8	Posflg	P
Corr	0.1

SAO

SAO	50935	DelFlag		RA1950		PmRA1950	0.002
DE1950		PmDE1950	0.026	Vmag	6.8	SpType	A3
Double code		Source	70	CatNum	30112	DM	BD+45 3559
DMcomp		BDsup		HD	204812	M HD	0
GC	30112	RA1950rad	5.61893347	DE1950rad	0.80646197	PmRA2000	0.0023
PmDE2000	0.023

Hipparcos

Catalog	H	HIP	106108	Proxy	H	RAhms	21 29 36.72
DEdms	+46 25 35.2	Vmag	6.72	VarFlag		R Vmag	H
RAdeg	322.403	DEdeg	46.4265	AstroRef	A	Plx	2.48
CCDM	21296+4626	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	C	M HIP	AB
Theta	217	Rho	0.404	HD	204812	BD	BD+45 3559
CD		CP		Dm number	+45 3559	VIred	0.14
SpType	A3	R SpType		Coord arcsec 2000	212936.72+462535.2

Hipparcos 2

HIP	106108	Sn	15	So	3	Nc	2
RArad	5.6269939747	DErad	0.8102944841	Plx	3.26	PmRA	7.97
PmDE	2.52	E RArad	0.34	E DErad	0.33	E Plx	0.44
E pmRA	0.42	E pmDE	0.39	Hpmag	6.7767	E Hpmag	0.0011
SHp	0.01	VA	0	BV	0.147	E BV	0.008
VI	0.16

CCDM

Ccdm	21296+4626	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.73	DDEs	-24.8
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	6.8	Sp	A3	PmNote	*
PmRA	8	PmDE	2	Dm number	+45 3559	Cat1	BD
Name2	+46 1858	Cat2	AGK2/3	HD	204812	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	106108

21296+4626 B

Componente originario normalizzato	AB		Coord arcsec 2000	212936.75+462534.7		Mag	10.84		Calc delta mag	4.04
Calc coord	yes

CCDM

Ccdm	21296+4626	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	0.70	DDEs	-25.1
R dRAs	82	Year	1991	Theta	217	Rho	0.4
Obs	1	Vmag	10.8	Sp		PmNote	*
PmRA	8	PmDE	2	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	106108