20577+3623 SEI 1330

20^h 57^m 44.62^s +36° 22' 59.4" P.A. 51.00 sep 14.2 mag 10.73,11.28

Coord 2000	20577+3623	Discov num	SEI1330	Comp		Coord arcsec 2000	20 57 44.62 +36 22 59.4
Date first	1896	Date last	2015	Obs	13
Pa first	51	Pa last	50.6	P.A. Now (θ)	50.6°
Sep first	13.7	Sep last	14.189	Sep. Now (ρ)	14.189"
Mag pri	10.73	Mag sec	11.28	delta mag (ΔM)	0.55	Spectral class
Pri motion ra	+017	Sec motion ra	+016
Pri motion dec	+012	Sec motion dec	+013
Notes	V (Proper motion indicates physical)

rPM=0.068 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2700-01017-1

Gaia DR2

1871335603278728832

WDS 20577+3623 SEI 1330 : 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
20577+3623	SEI1330		2000	7	51	14.1	10.73	11.28		D	205744.62+362259.4
20577+3623	SEI1330		2002	8	51	14.2	10.73	11.28		D	205744.62+362259.4
20577+3623	SEI1330		2010	9	51	14.1	10.73	11.28			205744.62+362259.4
20577+3623	SEI1330		2015	10	51	14.2	10.73	11.28			205744.62+362259.4

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WDS 20577+3623 SEI 1330 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20577+3623 SEI 1330 : MEASURES

No records found.

WDS 20577+3623 : VIRTUAL EYEPIECE

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WDS 20577+3623 : ALADIN DSS IMAGE @ 20^h 57^m 44.62^s +36° 22' 59.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20577+3623 SEI 1330 : 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		20577+3623	SEI1330		51	14.2
Show		20573+3632	SEI1328		234	7.9	11
Show		20584+3612	POP 82		25	5.5	13
Show		20579+3641	SEI1335		28	18.2	19
Show		20562+3616	TOB 202		179	18.1	20
Show		20562+3614	SEI1323		169	21.2	20
Show		20594+3626	HU 764		190	0.4	21
Show		20575+3643	SEI1329		30	24.7	21
Show		20563+3634	SEI1324		92	19.3	21
Show		20587+3644	ES 251		141	6.6	25
Show		20594+3637	SEI1352		354	14.6	25
Show		20599+3612	SEI1359		108	16.5	29
Show		21001+3627	J 1219		171	3.6	29
Show		20560+3643	SEI1320		64	13.9	29
Show		21002+3620	TDT2689		244	2.3	30
Show		20595+3646	SEI1354		325	26.4	32
Show		20561+3649	SEI1321		96	22.7	33
Show		21001+3608	TDT2687		356	1.5	33
Show		20596+3558	SEI1355		344	4.2	33
Show		20593+3554	SEI1350		48	28.1	35
Show		20594+3651	TDT2678		246	0.5	35
Show		20587+3657	COU2296		103	1.0	36
Show		20590+3655	SEI1347		125	18.6	37
Show		20581+3547	J 796		200	3.7	38
Show		20581+3544	J 795	AB	227	2.8	40
Show		20581+3544	J 795	AC	311	14.0	40
Show		20544+3625	POP 157		224	3.0	41
Show		20560+3546	COU2134		264	0.6	43
Show		21000+3655	SEI1360	AB	45	22.2	43
Show		21000+3655	TOB 208	AC	232	31.7	43
Show		20582+3706	TOB 204	AB	91	9.9	44
Show		20582+3706	SEI1339	CD	259	12.4	44
Show		20591+3542	SEI1345		174	20.2	44
Show		20590+3541	GCB 61		252	5.9	44
Show		21010+3647	SEI1367		247	20.6	46
Show		21002+3658	HO 147	AB	351	7.8	46
Show		21002+3658	HO 147	AC	248	26.2	46
Show		20592+3541	TDT2674		340	0.9	47
Show		20596+3703	HJ 1601		141	6.5	47
Show		20561+3541	TDT2641		50	1.7	47
Show		20538+3622	SEI1302		47	25.0	47
Show		20544+3648	SEI1306		306	17.1	47
Show		21012+3602	CLP 1	AB	39	74.3	48
Show		21012+3602	CLP 1	BC	150	267.2	48
Show		20577+3711	SEI1331		49	26.6	49
Show		20562+3538	HU 763		329	1.5	49
Show		21018+3630	SEI1372		181	24.8	49
Show		20557+3540	SEI1316		24	12.3	50
Show		21002+3547	POP 81		204	5.9	50
Show		21003+3543	SEI1361		281	20.8	50
Show		20580+3713	J 1076		78	1.7	52

WDS 20577+3623 : COMPONENTS

	A
B	pa=44.4° sep=12.61"

20577+3623 A

Componente originario normalizzato	AB		Coord arcsec 2000	205744.62+362259.4		Mag	10.73		PmRA	17.00
PmDE	12.0		Tycho2	2700-01017-1		DM	BD+35 4337

Tycho2

Tycho2	2700-01017-1	Pflag		RAmdeg	314.43592967	DEmdeg	36.38315408
PmRA	14.5	PmDE	12.9	E RAmdeg	31	E DEmdeg	27
E pmRA	1.5	E pmDE	1.5	EpRAm	1986.15	EpDEm	1987.66
Num	6	Q RAmdeg	1.4	Q DEmdeg	0.7	Q pmRA	1.3
Q pmDE	0.7	BTmag	11.197	E BTmag	0.049	VTmag	10.726
E VTmag	0.048	Prox	142	TYC	T	HIP
CCDM		RAdeg	314.43588917	DEdeg	36.38312528	EpRA 1990	1.70
EpDE 1990	1.83	E RAdeg	32.3	E DEdeg	28.2	Posflg
Corr	0.1

20577+3623 B

Componente originario normalizzato	AB		Coord arcsec 2000	205745.35+362308.4		Mag	11.28		PmRA	16.00
PmDE	13.0		Tycho2	2700-01919-1		Calc delta mag	0.55		Calc coord	yes

Tycho2

Tycho2	2700-01919-1	Pflag		RAmdeg	314.43971723	DEmdeg	36.38565780
PmRA	13.6	PmDE	13.8	E RAmdeg	45	E DEmdeg	41
E pmRA	1.7	E pmDE	1.7	EpRAm	1982.00	EpDEm	1983.51
Num	6	Q RAmdeg	0.7	Q DEmdeg	0.8	Q pmRA	0.8
Q pmDE	0.8	BTmag	11.655	E BTmag	0.067	VTmag	11.284
E VTmag	0.077	Prox	142	TYC	T	HIP
CCDM		RAdeg	314.43967833	DEdeg	36.38562694	EpRA 1990	1.71
EpDE 1990	1.83	E RAdeg	48.3	E DEdeg	42.8	Posflg
Corr	0.1