21212+3044 TDT 2914

21^h 21^m 14.75^s +30° 44' 12.3" P.A. 17.00 sep 2.0 mag 10.86,12.66

Coord 2000	21212+3044	Discov num	TDT2914	Comp		Coord arcsec 2000	21 21 14.75 +30 44 12.3
Date first	1991	Date last	1991	Obs	1
Pa first	17	Pa last	16.8	P.A. Now (θ)	16.8°
Sep first	2.0	Sep last	2.04	Sep. Now (ρ)	2.04"
Mag pri	10.86	Mag sec	12.66	delta mag (ΔM)	1.8	Spectral class
Pri motion ra	+004	Sec motion ra	+004
Pri motion dec	+002	Sec motion dec	+002
Notes	X (Dubious double)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2703-00678-1

Gaia DR2

1853328175488468736

WDS 21212+3044 TDT 2914 : 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
21212+3044	TDT2914		1991	1	17	2.0	10.86	12.66			212114.75+304412.3

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WDS 21212+3044 TDT 2914 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21212+3044 TDT 2914 : MEASURES

No records found.

WDS 21212+3044 : VIRTUAL EYEPIECE

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WDS 21212+3044 : ALADIN DSS IMAGE @ 21^h 21^m 14.75^s +30° 44' 12.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21212+3044 TDT 2914 : 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		21212+3044	TDT2914		17	2.0
Show		21222+3056	ES 376		221	9.2	17
Show		21219+3104	CRB 141		22	28.8	22
Show		21220+3106	KPP3368		41	8.9	24
Show		21205+3107	J 3135		97	4.0	29
Show		21228+3026	RAO 453		291	0.3	30
Show		21185+3037	FYM 538	AB	192	7.0	33
Show		21185+3037	FYM 538	BC	218	5.7	33
Show		21182+3035	NOV 1	XL	89	32.2	40
Show		21182+3035	NOV 1	XQ	134	29.2	40
Show		21182+3035	NOV 1	XY	206	14.1	40
Show		21182+3035	NOV 1	XZ	57	18.3	40
Show		21182+3035	HO 154	AB	211	3.6	41
Show		21182+3035	POP 228	AC	139	9.0	41
Show		21182+3035	NOV 1	AD	162	21.4	41
Show		21182+3035	POP 228	AN	262	64.2	41
Show		21182+3035	NOV 1	AX	142	186.7	41
Show		21182+3035	POP 228	NK	64	6.5	42
Show		21234+3115	A 1218		15	4.1	42
Show		21225+3123	KPP1063		321	8.4	42
Show		21180+3049	COU1183		16	0.3	43
Show		21235+3012	UC 260	AB	243	33.4	44
Show		21245+3015	A 1219	AB	312	1.5	52
Show		21223+3139	ES 377	AB	291	48.7	57
Show		21223+3139	ES 377	BC	211	2.2	57
Show		21237+3131	GRV 460		185	52.6	58
Show		21198+3138	GRV 445		278	36.2	58
Show		21229+3142	GRV 458		123	43.4	63
Show		21231+3144	HDS3046	AB	329	4.8	65
Show		21231+3144	DAM 229	AC	22	14.2	65
Show		21229+3149	J 2344		227	6.7	67
Show		21252+3129	A 1220		160	1.6	68
Show		21166+3018	J 3131	AB	253	24.6	68
Show		21166+3018	J 3131	BC	229	5.5	69
Show		21169+3001	MLB 538	AB	310	3.2	71
Show		21169+3001	DAM 227	AC	26	8.2	71
Show		21256+2957	J 3139		331	6.7	72
Show		21268+3050	A 1221		74	1.2	72
Show		21167+3001	MLB1091		170	10.4	74
Show		21155+3042	KPP 488		119	3.6	74
Show		21226+3158	HJ 1637	AB	104	13.4	76
Show		21226+3158	DAL 15	AC	142	8.3	76
Show		21153+3051	GRV 439		127	21.5	76
Show		21167+2955	TDT2878		10	0.6	77
Show		21224+2927	COU1041		90	1.3	79
Show		21155+3114	TDT2862		305	0.5	80
Show		21230+3202	HO 157		26	3.6	81
Show		21149+3037	BRT 287		197	6.2	84
Show		21161+2951	LDS1053	AB	259	26.0	85
Show		21161+2951	BWL 56	Aa,Ab	163	0.1	85
Show		21161+2951	BWL 56	AC	77	3.4	85

WDS 21212+3044 : COMPONENTS

	A
B	pa=14.5° sep=2.02"

21212+3044 A

Componente originario normalizzato	AB		Coord arcsec 2000	212114.75+304412.3		Mag	10.86		PmRA	4.00
PmDE	2.0		Tycho2	2703-00678-1

Tycho2

Tycho2	2703-00678-1	Pflag		RAmdeg	320.31149104	DEmdeg	30.73673961
PmRA	3.6	PmDE	2.0	E RAmdeg	30	E DEmdeg	31
E pmRA	2.3	E pmDE	2.3	EpRAm	1987.68	EpDEm	1986.94
Num	4	Q RAmdeg	0.6	Q DEmdeg	1.1	Q pmRA	0.6
Q pmDE	1.1	BTmag	11.995	E BTmag	0.083	VTmag	10.860
E VTmag	0.047	Prox	999	TYC	T	HIP
CCDM		RAdeg	320.31147806	DEdeg	30.73674083	EpRA 1990	1.55
EpDE 1990	1.47	E RAdeg	34.2	E DEdeg	36.8	Posflg
Corr	0.2

21212+3044 B

Componente originario normalizzato	AB		Coord arcsec 2000	212114.79+304414.3		Mag	12.66		PmRA	4.00
PmDE	2.0		Calc delta mag	1.8		Calc coord	yes