20566+3932 SEI 1325

20^h 56^m 33.69^s +39° 31' 56.8" P.A. 140.00 sep 27.8 mag 12.78,11.75

Coord 2000	20566+3932	Discov num	SEI1325	Comp		Coord arcsec 2000	20 56 33.69 +39 31 56.8
Date first	1892	Date last	2015	Obs	10
Pa first	138	Pa last	139.6	P.A. Now (θ)	139.6°
Sep first	27.5	Sep last	27.766	Sep. Now (ρ)	27.766"
Mag pri	12.78	Mag sec	11.75	delta mag (ΔM)	1.03	Spectral class
Pri motion ra	+002	Sec motion ra	-001
Pri motion dec	+008	Sec motion dec	+001
Notes

rPM=0.924

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1872845164026082304

WDS 20566+3932 SEI 1325 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Sei1908	Pa -	Scheiner, J.	1908POPot..59.....S
Sei1908	+Po	Pub. Obs. Potsdam 20, #59, 1908
Sei1913A	Pa -	Scheiner, J.	1913QB811.B8.......
Sei1913A		cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A	Pa -	Scheiner, J.	1932QB821.A43......
Sei1932A		cited in ADS (Aitken Double Star Cat.), 1932

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20566+3932	SEI1325		1998	4	139	27.7	11.00	11.00		D	205633.69+393156.8
20566+3932	SEI1325		2002	5	140	27.7	11.00	11.00		D	205633.69+393156.8
20566+3932	SEI1325		2010	6	139	27.7	12.78	11.75			205633.69+393156.8
20566+3932	SEI1325		2015	7	140	27.8	12.78	11.75			205633.69+393156.8

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WDS 20566+3932 SEI 1325 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20566+3932 SEI 1325 : MEASURES

No records found.

WDS 20566+3932 : VIRTUAL EYEPIECE

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WDS 20566+3932 : ALADIN DSS IMAGE @ 20^h 56^m 33.69^s +39° 31' 56.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20566+3932 SEI 1325 : 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		20566+3932	SEI1325		140	27.8
Show		20569+3922	SEI1326		14	26.6	11
Show		20559+3922	MLB 957		134	2.8	13
Show		20555+3932	BKO 472		67	5.7	13
Show		20577+3943	COU2429		209	0.8	13
Show		20559+3921	MLB 958		169	5.3	14
Show		20571+3920	BKO 473		34	5.4	14
Show		20572+3920	BKO 474		24	3.3	14
Show		20555+3940	MLB 783		288	5.6	15
Show		20577+3926	SEI1334		106	16.9	15
Show		20578+3923	BKO 475		265	5.5	18
Show		20550+3929	SEI1311		247	8.8	18
Show		20553+3944	SEI1315		281	29.0	19
Show		20551+3941	MLB 886		141	7.0	19
Show		20549+3933	BKO 471		171	5.5	20
Show		20558+3951	LDS2469		2	3.3	21
Show		20547+3929	GRV 395		211	59.7	22
Show		20580+3918	BKO 476	BD	246	6.0	23
Show		20580+3918	ES 1985	AB	276	8.4	23
Show		20580+3918	SEI1338	AC	277	32.7	23
Show		20556+3912	SEI1319		70	32.1	23
Show		20556+3911	MLB 784		25	4.6	23
Show		20552+3915	MLB 782	AB	344	10.3	23
Show		20552+3915	SEI1313	AC	260	26.9	23
Show		20545+3937	BRT2281		73	3.6	25
Show		20554+3910	ES 1984		115	3.5	25
Show		20544+3929	BKO 469		328	4.7	26
Show		20550+3914	ES 1983		266	6.1	26
Show		20555+3909	MLB 887		246	10.4	26
Show		20587+3942	BKO 477		8	7.6	26
Show		20587+3922	BKO 478		75	7.9	27
Show		20549+3913	MLB 781		296	8.6	27
Show		20589+3931	SEI1348		295	26.4	28
Show		20558+3905	MLB 956		115	5.0	29
Show		20546+3914	BKO 470	BC	280	2.9	29
Show		20546+3914	MLB 780	AB	64	9.6	29
Show		20554+3907	TDT2629		163	2.5	30
Show		20591+3932	TOB 205		203	14.5	30
Show		20590+3945	SEI1349		160	27.9	32
Show		20591+3944	BKO 480		236	11.1	32
Show		20592+3941	SEI1351	AB	256	17.5	33
Show		20592+3941	TOB 206	AC	71	38.4	33
Show		20593+3925	SEI1353		113	17.5	33
Show		20556+3901	HJ 1596		295	18.2	33
Show		20562+3900	ES 2055		293	7.6	33
Show		20593+3924	TOB 207		228	22.0	34
Show		20592+3946	BKO 481		204	11.5	34
Show		20556+4004	TDT2634		54	1.9	34
Show		20566+3858	A 1436		52	0.6	35
Show		20591+3950	BKO 479		9	12.4	35
Show		20583+3904	SEI1340		199	10.2	36

WDS 20566+3932 : COMPONENTS

	A
B	pa=146.7° sep=25.29"

20566+3932 A

Componente originario normalizzato	AB		Coord arcsec 2000	205633.69+393156.8		Mag	12.78		PmRA	2.00
PmDE	8.0

CCDM

Ccdm	20566+3932	RComp		Comp	A	Note1
Note2		Discov num		DRAs	-2.32	DDEs	-2.5
R dRAs	65	Year		Theta		Rho
Obs	2	Vmag	11.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20528N3909A
HIC

20566+3932 B

Componente originario normalizzato	AB		Coord arcsec 2000	205634.89+393135.7		Mag	11.75		PmRA	-1.00
PmDE	1.0		Calc delta mag	1.03		Calc coord	yes

CCDM

Ccdm	20566+3932	RComp		Comp	B	Note1
Note2		Discov num	SEI1325	DRAs	-0.74	DDEs	-23.3
R dRAs	65	Year	1895	Theta	139	Rho	27.8
Obs	1	Vmag	11.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	20528N3909B
HIC