20217+5717 TDT 2204

20^h 21^m 41.63^s +57° 17' 26.1" P.A. 306.00 sep 2.1 mag 11.75,11.85

Coord 2000	20217+5717	Discov num	TDT2204	Comp		Coord arcsec 2000	20 21 41.63 +57 17 26.1
Date first	1991	Date last	2015	Obs	2
Pa first	308	Pa last	305.5	P.A. Now (θ)	305.5°
Sep first	2.3	Sep last	2.136	Sep. Now (ρ)	2.136"
Mag pri	11.75	Mag sec	11.85	delta mag (ΔM)	0.1	Spectral class
Pri motion ra	-003	Sec motion ra
Pri motion dec	-003	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3945-00202-1

Gaia DR2

2187841909492327424

WDS 20217+5717 TDT 2204 : NOTES

No records found.

REFERENCES

No records found.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20217+5717	TDT2204		1991	1	308	2.3	11.75	11.85			202141.74+571725.3
20217+5717	TDT2204		2015	2	306	2.1	11.75	11.85			202141.63+571726.1

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WDS 20217+5717 TDT 2204 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20217+5717 TDT 2204 : MEASURES

No records found.

WDS 20217+5717 : VIRTUAL EYEPIECE

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WDS 20217+5717 : ALADIN DSS IMAGE @ 20^h 21^m 41.63^s +57° 17' 26.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20217+5717 TDT 2204 : 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		20217+5717	TDT2204		306	2.1
Show		20251+5727	MLB 84		156	7.9	30
Show		20231+5745	STI2523		170	5.8	31
Show		20178+5717	KR 50	CD	355	1.7	31
Show		20178+5717	KR 50	AB	129	2.1	32
Show		20178+5717	KR 50	AC	73	66.6	32
Show		20169+5717	TDT2139		101	3.2	40
Show		20208+5639	STI2520		162	10.8	40
Show		20175+5646	STI2517		151	16.1	47
Show		20163+5735	TDT2133		246	3.1	48
Show		20280+5723	MLR 641		43	1.5	52
Show		20242+5807	A 729	AB	252	2.8	55
Show		20242+5807	A 729	AC	69	36.4	55
Show		20264+5638	STF2687		118	25.1	55
Show		20164+5636	STI2516		95	4.4	60
Show		20289+5655	STI2535	AB	227	13.6	63
Show		20289+5655	TOB 187	AC	132	26.9	63
Show		20289+5655	TOB 187	AD	189	31.2	63
Show		20187+5823	TDT2157		37	0.8	71
Show		20298+5654	TDT2322		20	1.7	71
Show		20265+5619	BU 433	AB	207	7.6	71
Show		20265+5619	BU 433	AC	241	29.3	71
Show		20194+5607	STF2669	AB	259	23.4	73
Show		20194+5607	BU 1486	AC	162	18.4	73
Show		20258+5612	TDT2262		95	0.8	74
Show		20312+5714	A 872		178	0.2	77
Show		20305+5651	TDT2330		63	0.6	77
Show		20243+5602	TDT2239		256	1.7	78
Show		20309+5747	TDT2333		138	2.4	80
Show		20312+5653	RAO 22		152	0.2	82
Show		20185+5840	HJ 2956		233	9.1	87
Show		20110+5717	ARG 36		128	8.0	87
Show		20300+5621	STI2537		343	12.7	89
Show		20330+5712	A 739		195	4.6	92
Show		20306+5817	LDS1473		219	63.9	93
Show		20227+5850	HJ 2965		82	15.1	94
Show		20311+5814	LDS1474		209	10.2	94
Show		20112+5638	CRB 208		238	11.0	95
Show		20295+5604	KUI 97		129	0.8	98
Show		20202+5540	STI2519		119	13.2	98
Show		20256+5544	KPP4196		114	2.7	99
Show		20099+5657	ES 132	BC	59	27.6	99
Show		20099+5657	ES 132	AB	82	5.4	99
Show		20099+5657	ES 132	AC	63	32.7	99
Show		20185+5542	BU 1260		135	0.3	100
Show		20140+5557	TOK 5		90	0.0	103
Show		20343+5707	STI2541		205	10.6	103
Show		20089+5719	STI2506		283	13.3	104
Show		20315+5611	HJ 1540	AB	346	22.7	105
Show		20315+5611	HJ 1540	AC	130	40.7	105
Show		20155+5546	STI2515		83	13.5	105

WDS 20217+5717 : COMPONENTS

	A
B	pa=322.9° sep=1.56"

20217+5717 A

Componente originario normalizzato	AB		Coord arcsec 2000	202141.63+571726.1		Mag	11.75		PmRA	-3.00
PmDE	-3.0

20217+5717 B

Componente originario normalizzato	AB		Coord arcsec 2000	202141.51+571727.3		Mag	11.85		Calc delta mag	0.1
Calc coord	yes