20309+5747 TDT 2333

20^h 30^m 53.76^s +57° 46' 42.9" P.A. 138.00 sep 2.4 mag 10.30,12.19

Coord 2000	20309+5747	Discov num	TDT2333	Comp		Coord arcsec 2000	20 30 53.76 +57 46 42.9
Date first	1991	Date last	2016	Obs	4
Pa first	139	Pa last	138	P.A. Now (θ)	138°
Sep first	2.3	Sep last	2.422	Sep. Now (ρ)	2.422"
Mag pri	10.30	Mag sec	12.19	delta mag (ΔM)	1.89	Spectral class
Pri motion ra	-009	Sec motion ra	-009
Pri motion dec	+007	Sec motion dec	+007
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3958-00345-1

Gaia DR2

2187468148560554496

WDS 20309+5747 TDT 2333 : 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
20309+5747	TDT2333		2003	2	140	2.5	10.30	12.19			203053.76+574642.9
20309+5747	TDT2333		2015	3	138	2.4	10.30	12.19			203053.76+574642.9
20309+5747	TDT2333		2016	4	138	2.4	10.30	12.19			203053.76+574642.9

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WDS 20309+5747 TDT 2333 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20309+5747 TDT 2333 : MEASURES

No records found.

WDS 20309+5747 : VIRTUAL EYEPIECE

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WDS 20309+5747 : ALADIN DSS IMAGE @ 20^h 30^m 53.76^s +57° 46' 42.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20309+5747 TDT 2333 : 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		20309+5747	TDT2333		138	2.4
Show		20311+5814	LDS1474		209	10.2	28
Show		20306+5817	LDS1473		219	63.9	31
Show		20312+5714	A 872		178	0.2	34
Show		20280+5723	MLR 641		43	1.5	34
Show		20330+5712	A 739		195	4.6	39
Show		20356+5808	A 741	AB	157	1.3	43
Show		20356+5808	A 741	AC	211	19.8	43
Show		20343+5707	STI2541		205	10.6	49
Show		20354+5712	TDT2399		4	0.5	51
Show		20251+5727	MLB 84		156	7.9	51
Show		20298+5654	TDT2322		20	1.7	54
Show		20312+5653	RAO 22		152	0.2	54
Show		20289+5655	STI2535	AB	227	13.6	54
Show		20289+5655	TOB 187	AC	132	26.9	54
Show		20289+5655	TOB 187	AD	189	31.2	54
Show		20305+5651	TDT2330		63	0.6	57
Show		20242+5807	A 729	AB	252	2.8	58
Show		20242+5807	A 729	AC	69	36.4	58
Show		20231+5745	STI2523		170	5.8	63
Show		20303+5851	STI2538		333	12.1	65
Show		20389+5820	TDT2449		91	0.7	72
Show		20264+5638	STF2687		118	25.1	78
Show		20217+5717	TDT2204		306	2.1	80
Show		20268+5900	HJ 1522		88	22.6	81
Show		20300+5621	STI2537		343	12.7	87
Show		20416+5730	LDS1476	AB	267	11.6	88
Show		20416+5730	OSO 130	AC	233	23.6	88
Show		20342+5622	HJ 1546		246	17.4	89
Show		20351+5624	HJ 1551		225	42.2	90
Show		20227+5850	HJ 2965		82	15.1	91
Show		20381+5637	A 745		313	2.4	92
Show		20352+5622	HJ 1552		234	21.3	93
Show		20398+5844	MLB 85		134	6.2	93
Show		20337+5616	HJ 1545		180	15.5	94
Show		20423+5723	BU 152		82	1.2	95
Show		20400+5647	OSW 78		233	186.1	95
Show		20265+5619	BU 433	AB	207	7.6	95
Show		20265+5619	BU 433	AC	241	29.3	95
Show		20412+5659	HJ 1570	AB	79	14.0	96
Show		20412+5659	VBS 32	AC	345	15.4	96
Show		20315+5611	HJ 1540	AB	346	22.7	97
Show		20315+5611	HJ 1540	AC	130	40.7	97
Show		20383+5629	FOX 38		301	5.4	97
Show		20330+5922	TDT2359		113	2.0	97
Show		20286+5924	ADP 6		159	4.4	100
Show		20295+5604	KUI 97		129	0.8	104
Show		20258+5612	TDT2262		95	0.8	104
Show		20187+5823	TDT2157		37	0.8	104
Show		20335+5929	STI 988		212	11.0	105
Show		20406+5858	HJ 1569		306	3.9	105

WDS 20309+5747 : COMPONENTS

	A
B	pa=154.4° sep=2.00"

20309+5747 A

Componente originario normalizzato	AB		Coord arcsec 2000	203053.76+574642.9		Mag	10.3		PmRA	-9.00
PmDE	7.0		Tycho2	3958-00345-1

Tycho2

Tycho2	3958-00345-1	Pflag		RAmdeg	307.72401634	DEmdeg	57.77856395
PmRA	-8.7	PmDE	6.6	E RAmdeg	22	E DEmdeg	22
E pmRA	3.1	E pmDE	3.0	EpRAm	1989.65	EpDEm	1989.61
Num	4	Q RAmdeg	2.3	Q DEmdeg	3.5	Q pmRA	2.4
Q pmDE	3.5	BTmag	10.589	E BTmag	0.039	VTmag	10.367
E VTmag	0.043	Prox	999	TYC	T	HIP
CCDM		RAdeg	307.72403583	DEdeg	57.77856444	EpRA 1990	1.68
EpDE 1990	1.84	E RAdeg	24.7	E DEdeg	25.7	Posflg
Corr	0.0

20309+5747 B

Componente originario normalizzato	AB		Coord arcsec 2000	203053.87+574641.1		Mag	12.19		PmRA	-9.00
PmDE	7.0		Calc delta mag	1.89		Calc coord	yes