20577+3711 SEI 1331

20^h 57^m 43.91^s +37° 11' 20.8" P.A. 49.00 sep 26.6 mag 12.54,13.36

Coord 2000	20577+3711	Discov num	SEI1331	Comp		Coord arcsec 2000	20 57 43.91 +37 11 20.8
Date first	1896	Date last	2020	Obs	9
Pa first	50	Pa last	48.5	P.A. Now (θ)	48.5°
Sep first	24.9	Sep last	26.581	Sep. Now (ρ)	26.581"
Mag pri	12.54	Mag sec	13.36	delta mag (ΔM)	0.82	Spectral class
Pri motion ra	-008	Sec motion ra	+001
Pri motion dec	-014	Sec motion dec	-006
Notes

rPM=0.747

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

1871585291186224128

WDS 20577+3711 SEI 1331 : NOTES

No records found.

DISCOVERER

discov	author
SEI	Scheiner, J.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
20577+3711	SEI1331		2000	2	49	26.3	11.00	11.00			D	205743.91+371120.8
20577+3711	SEI1331		2002	3	49	26.4	11.00	11.00			D	205743.91+371120.8
20577+3711	SEI1331		2010	4	49	26.6	12.54	13.36				205743.91+371120.8
20577+3711	SEI1331		2015	5	49	26.5	12.54	13.36				205743.91+371120.8
20577+3711	SEI1331		2020	9	49	26.6	12.54	13.36				205743.91+371120.8

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

WDS 20577+3711 SEI 1331 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20577+3711 SEI 1331 : MEASURES

No records found.

WDS 20577+3711 : VIRTUAL EYEPIECE

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WDS 20577+3711 : ALADIN DSS IMAGE @ 20^h 57^m 43.91^s +37° 11' 20.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20577+3711 SEI 1331 : 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+3711	SEI1331		49	26.6	0
Show		20580+3713	J 1076		78	1.7	4
Show		20575+3717	DAM 221		59	5.9	7
Show		20582+3715	DAM 223		35	4.8	7
Show		20582+3706	TOB 204	AB	91	9.9	8
Show		20582+3706	SEI1339	CD	259	12.4	8
Show		20587+3725	SEI1343		315	37.5	18
Show		20592+3718	ALI 434		292	44.7	20
Show		20587+3657	COU2296		103	1.0	20
Show		20590+3723	SEI1346		329	6.5	20
Show		20590+3655	SEI1347		125	18.6	23
Show		20596+3703	HJ 1601		141	6.5	25
Show		20565+3731	TDT2648		234	0.7	25
Show		20561+3731	SEI1322		165	1.5	28
Show		20554+3708	SEI1314		178	18.4	28
Show		20575+3643	SEI1329		30	24.7	29
Show		20594+3651	TDT2678		246	0.5	29
Show		20561+3649	SEI1321		96	22.7	30
Show		20579+3641	SEI1335		28	18.2	30
Show		20587+3644	ES 251		141	6.6	31
Show		21000+3655	SEI1360	AB	45	22.2	33
Show		21000+3655	TOB 208	AC	232	31.7	33
Show		21002+3658	HO 147	AB	351	7.8	33
Show		21002+3658	HO 147	AC	248	26.2	33
Show		20549+3709	COU2295		180	0.4	34
Show		20595+3646	SEI1354		325	26.4	34
Show		20560+3643	SEI1320		64	13.9	36
Show		20547+3714	TDT2625		255	0.5	37
Show		20547+3704	STT 419		24	1.7	37
Show		20546+3709	SEI1307		307	3.7	38
Show		20573+3632	SEI1328		234	7.9	40
Show		20594+3637	SEI1352		354	14.6	40
Show		21000+3740	COU2297		57	0.3	40
Show		20563+3634	SEI1324		92	19.3	42
Show		20544+3704	SEI1305		148	23.0	42
Show		20544+3658	TDT2623		36	1.0	43
Show		21013+3709	TDT2697		129	2.5	44
Show		20544+3648	SEI1306		306	17.1	47
Show		21010+3647	SEI1367		247	20.6	47
Show		20597+3752	BAR 14	AB	252	1.0	48
Show		20597+3752	BAR 14	AB,C	105	8.1	48
Show		21014+3727	ES 2197		83	3.9	48
Show		20538+3702	SEI1300		120	1.8	48
Show		20577+3623	SEI1330		51	14.2	49
Show		20538+3723	SEI1299	AB	356	9.0	49
Show		20538+3723	SEI1301	AC	290	26.3	49
Show		20594+3626	HU 764		196	0.4	50
Show		21001+3627	J 1219		171	3.6	53
Show		20552+3755	SEI1312		285	8.2	53
Show		20533+3731	TDT2606		65	4.4	56
Show		20535+3645	SEI1296		278	10.5	58

WDS 20577+3711 : COMPONENTS

	A
B	pa=48.5° sep=26.58"

20577+3711 A

Coord arcsec 2000

205743.91+371120.8

Mag

12.54

PmRA

-8.00

PmDE

-14.0

20577+3711 B

Coord arcsec 2000	205745.58+371138.4		Mag	13.36		PmRA	1.00		PmDE	-6.0
Delta magnitude	0.82		Coordinate calculated	yes