21056+3043 TDT 2737

21^h 05^m 34.19^s +30° 43' 08.5" P.A. 322.00 sep 6.3 mag 11.76,12.33

Coord 2000	21056+3043	Discov num	TDT2737	Comp		Coord arcsec 2000	21 05 34.19 +30 43 08.5
Date first	1991	Date last	2016	Obs	5
Pa first	329	Pa last	321.8	P.A. Now (θ)	321.8°
Sep first	2.3	Sep last	6.3	Sep. Now (ρ)	6.3"
Mag pri	11.76	Mag sec	12.33	delta mag (ΔM)	0.57	Spectral class
Pri motion ra	+001	Sec motion ra	+001
Pri motion dec	+005	Sec motion dec	+005
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2701-02669-1

Gaia DR2

1852633185363671936

WDS 21056+3043 TDT 2737 : 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
21056+3043	TDT2737		1991	1	329	2.3	11.76	12.33			210534.19+304308.5
21056+3043	TDT2737		2016	2	322	6.3	11.76	12.33			210534.19+304308.5

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WDS 21056+3043 TDT 2737 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21056+3043 TDT 2737 : MEASURES

No records found.

WDS 21056+3043 : VIRTUAL EYEPIECE

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WDS 21056+3043 : ALADIN DSS IMAGE @ 21^h 05^m 34.19^s +30° 43' 08.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21056+3043 TDT 2737 : 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		21056+3043	TDT2737		322	6.3
Show		21064+3031	TDT2751		148	2.4	17
Show		21073+3048	TDT2766		193	1.9	23
Show		21074+3038	TDT2767		173	10.5	25
Show		21050+3109	J 3124		208	4.5	27
Show		21047+3109	DAM 226		16	4.3	29
Show		21031+3039	GRV 407		221	59.2	32
Show		21037+3104	STT 427		153	4.1	33
Show		21034+3025	SMA 123		145	7.2	33
Show		21077+3022	UC 256		67	48.1	35
Show		21046+3116	J 2336		40	9.1	36
Show		21026+3041	COU1182		180	1.0	39
Show		21077+3009	KPP1031		334	8.3	44
Show		21052+3127	GRV 412		265	42.4	45
Show		21080+3116	LDS2940		222	7.6	46
Show		21088+3102	ES 375		42	4.5	47
Show		21070+3001	J 1319		206	1.7	47
Show		21020+3052	LDS2937		140	55.9	47
Show		21079+3123	GRV 421		185	14.6	51
Show		21086+3012	STF2762	AB	303	3.3	51
Show		21086+3012	STF2762	AC	229	59.3	51
Show		21086+3012	STF2762	AD	66	73.1	51
Show		21092+3023	CBL 90		113	54.5	51
Show		21020+3107	TDT2706		204	0.6	52
Show		21037+3130	TDT2721		43	2.1	53
Show		21099+3100	HJ 1616	AB	315	10.3	58
Show		21099+3100	GRV 431	AC	16	22.5	58
Show		21025+2958	COU1181		214	0.7	60
Show		21101+3027	KPP4225		236	2.2	61
Show		21103+3027	TDT2801		237	0.9	64
Show		21086+3135	J 2337		349	6.2	64
Show		21078+2945	MLB 715	AB	40	5.5	65
Show		21078+2945	MLB 715	AC	336	25.3	65
Show		21093+3131	COU1333		258	0.6	68
Show		21004+3022	COU1179		359	0.9	71
Show		21065+2933	AG 413		107	2.7	72
Show		21025+3146	CRB 15	BD	241	5.6	72
Show		21025+3146	ES 374	BC	203	4.5	72
Show		21058+2931	LDS2938		247	23.5	72
Show		21025+3146	ES 374	AB	137	26.8	72
Show		20598+3048	TDT2681		215	0.5	75
Show		21115+3033	ALD 5		153	3.7	78
Show		21117+3038	J 1235		184	2.8	80
Show		20593+3043	TDT2677		133	0.8	81
Show		21031+2929	OSO 139	AB	82	15.8	81
Show		21031+2929	OSO 139	AC	308	18.8	81
Show		21031+2929	OSO 139	AD	110	26.3	81
Show		21098+3143	ES 2440		202	5.0	82
Show		20595+3019	J 847		129	2.2	83
Show		21017+2938	COU1180	AB	204	3.7	83
Show		21017+2938	RBR 51	Aa,Ab	181	0.6	83

WDS 21056+3043 : COMPONENTS

	A
B	pa=325.9° sep=5.98"

21056+3043 A

Componente originario normalizzato	AB		Coord arcsec 2000	210534.19+304308.5		Mag	11.76		PmRA	1.00
PmDE	5.0		Tycho2	2701-02669-1

Tycho2

Tycho2	2701-02669-1	Pflag		RAmdeg	316.39242214	DEmdeg	30.71904812
PmRA	0.9	PmDE	4.9	E RAmdeg	79	E DEmdeg	72
E pmRA	4.0	E pmDE	3.8	EpRAm	1985.50	EpDEm	1987.23
Num	3	Q RAmdeg	4.6	Q DEmdeg	2.6	Q pmRA	4.6
Q pmDE	2.7	BTmag	13.435	E BTmag	0.307	VTmag	11.768
E VTmag	0.127	Prox	812	TYC		HIP
CCDM		RAdeg	316.39246417	DEdeg	30.71902806	EpRA 1990	1.38
EpDE 1990	1.63	E RAdeg	87.6	E DEdeg	74.7	Posflg
Corr	0.2

21056+3043 B

Componente originario normalizzato	AB		Coord arcsec 2000	210533.93+304313.5		Mag	12.33		PmRA	1.00
PmDE	5.0		Calc delta mag	0.57		Calc coord	yes