20538+3702 SEI 1300

20^h 53^m 49.06^s +37° 01' 14.7" P.A. 120.00 sep 1.8 mag 11.07,11.45

Coord 2000	20538+3702	Discov num	SEI1300	Comp		Coord arcsec 2000	20 53 49.06 +37 01 14.7
Date first	1896	Date last	2016	Obs	12
Pa first	94	Pa last	119.6	P.A. Now (θ)	119.6°
Sep first	1.7	Sep last	1.754	Sep. Now (ρ)	1.754"
Mag pri	11.07	Mag sec	11.45	delta mag (ΔM)	0.38	Spectral class
Pri motion ra	+011	Sec motion ra
Pri motion dec	+000	Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2700-01136-1

Gaia DR2

1870867589283449472

WDS 20538+3702 SEI 1300 : NOTES

discov_num	notes	refcode
SEI1300	J 1075.

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
20538+3702	SEI1300		1997	11	117	1.8	11.07	11.45		N	205349.06+370114.7
20538+3702	SEI1300		2010	12	119	1.7	11.07	11.45		N	205349.06+370114.7
20538+3702	SEI1300		2016	12	120	1.8	11.07	11.45		N	205349.06+370114.7

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WDS 20538+3702 SEI 1300 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20538+3702 SEI 1300 : MEASURES

No records found.

WDS 20538+3702 : VIRTUAL EYEPIECE

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WDS 20538+3702 : ALADIN DSS IMAGE @ 20^h 53^m 49.06^s +37° 01' 14.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20538+3702 SEI 1300 : 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		20538+3702	SEI1300		120	1.8
Show		20544+3704	SEI1305		148	23.0	7
Show		20544+3658	TDT2623		36	1.0	8
Show		20547+3704	STT 419		24	1.7	12
Show		20546+3709	SEI1307		307	3.7	13
Show		20549+3709	COU2295		180	0.4	16
Show		20544+3648	SEI1306		306	17.1	16
Show		20526+3655	A 1435		6	0.5	16
Show		20547+3714	TDT2625		255	0.5	17
Show		20535+3645	SEI1296		278	10.5	17
Show		20528+3646	COU2221		30	0.3	20
Show		20554+3708	SEI1314		178	18.4	21
Show		20521+3657	SEI1285		301	27.6	21
Show		20538+3723	SEI1299	AB	356	9.0	22
Show		20538+3723	SEI1301	AC	290	26.3	22
Show		20533+3639	SEI1293		53	14.2	24
Show		20521+3645	ES 250		88	4.4	26
Show		20524+3724	SEI1287		353	6.7	30
Show		20533+3731	TDT2606		65	4.4	30
Show		20527+3728	SEI1288		259	24.2	31
Show		20561+3649	SEI1321		96	22.7	31
Show		20560+3643	SEI1320		64	13.9	33
Show		20515+3717	SEI1282		270	27.4	33
Show		20512+3650	SEI1280		5	3.8	33
Show		20544+3625	POP 157		224	3.0	38
Show		20510+3717	SEI1277		32	8.1	38
Show		20533+3740	SEI1294		26	23.1	39
Show		20538+3622	SEI1302		47	25.0	40
Show		20563+3634	SEI1324		92	19.3	41
Show		20561+3731	SEI1322		165	1.5	41
Show		20508+3641	SEI1276		266	22.6	41
Show		20565+3731	TDT2648		234	0.7	44
Show		20503+3645	TDT2568		174	2.4	46
Show		20501+3714	SEI1268	AB	123	27.3	47
Show		20501+3714	CLL 15	AC	20	48.5	47
Show		20575+3717	DAM 221		59	5.9	47
Show		20502+3642	SEI1270		211	23.1	48
Show		20575+3643	SEI1329		30	24.7	48
Show		20577+3711	SEI1331		49	26.6	48
Show		20505+3635	SEI1271	AB	27	14.9	49
Show		20505+3635	SEI1272	AC	185	20.4	49
Show		20540+3751	TDT2614		350	0.6	50
Show		20500+3640	TOB 199		109	18.8	51
Show		20573+3632	SEI1328		234	7.9	51
Show		20580+3713	J 1076		78	1.7	52
Show		20531+3610	SEI1291		103	9.0	52
Show		20529+3752	TDT2600		43	0.5	53
Show		20582+3706	TOB 204	AB	91	9.9	53
Show		20582+3706	SEI1339	CD	259	12.4	53
Show		20579+3641	SEI1335		28	18.2	54
Show		20562+3616	TOB 202		179	18.1	54

WDS 20538+3702 : COMPONENTS

	A
B	pa=125.4° sep=1.49"

20538+3702 A

Componente originario normalizzato	AB		Coord arcsec 2000	205349.06+370114.7		Mag	11.07		PmRA	11.00
PmDE	0.0		Tycho2	2700-01136-1

Tycho2

Tycho2	2700-01136-1	Pflag		RAmdeg	313.45442083	DEmdeg	37.02076214
PmRA	11.0	PmDE	-0.3	E RAmdeg	42	E DEmdeg	36
E pmRA	2.6	E pmDE	2.6	EpRAm	1988.81	EpDEm	1989.72
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	11.429	E BTmag	0.061	VTmag	11.065
E VTmag	0.067	Prox	19	TYC	T	HIP
CCDM		RAdeg	313.45438889	DEdeg	37.02076278	EpRA 1990	1.58
EpDE 1990	1.72	E RAdeg	43.0	E DEdeg	35.9	Posflg	D
Corr	0.2

20538+3702 B

Componente originario normalizzato	AB		Coord arcsec 2000	205349.16+370113.8		Mag	11.45		Calc delta mag	0.38
Calc coord	yes