21145+3052 TDT 2850

21^h 14^m 29.17^s +30° 52' 09.1" P.A. 173.00 sep 2.7 mag 11.82,12.69

Coord 2000	21145+3052	Discov num	TDT2850	Comp		Coord arcsec 2000	21 14 29.17 +30 52 09.1
Date first	1991	Date last	1991	Obs	1
Pa first	173	Pa last	172.6	P.A. Now (θ)	172.6°
Sep first	2.7	Sep last	2.74	Sep. Now (ρ)	2.74"
Mag pri	11.82	Mag sec	12.69	delta mag (ΔM)	0.87	Spectral class
Pri motion ra	+009	Sec motion ra	+009
Pri motion dec	+001	Sec motion dec	+001
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2702-01487-1

Gaia DR2

1852812165237112064

WDS 21145+3052 TDT 2850 : 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
21145+3052	TDT2850		1991	1	173	2.7	11.82	12.69			211429.17+305209.1

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WDS 21145+3052 TDT 2850 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21145+3052 TDT 2850 : MEASURES

No records found.

WDS 21145+3052 : VIRTUAL EYEPIECE

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WDS 21145+3052 : ALADIN DSS IMAGE @ 21^h 14^m 29.17^s +30° 52' 09.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21145+3052 TDT 2850 : 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		21145+3052	TDT2850		173	2.7	1
Show		21142+3058	COU 834		77	7.9	7
Show		21153+3051	GRV 439		127	21.5	12
Show		21149+3037	BRT 287		197	6.2	15
Show		21155+3042	KPP 488		119	3.6	17
Show		21133+3100	BRT 286		250	6.6	18
Show		21155+3114	TDT2862		305	0.5	26
Show		21117+3038	J 1235		184	2.8	38
Show		21166+3018	J 3131	BC	229	5.5	40
Show		21166+3018	J 3131	AB	253	24.6	40
Show		21115+3033	ALD 5		153	3.7	44
Show		21129+3014	BAS 7	Aa,Ab	246	0.0	44
Show		21129+3014	BUP 227	AB	205	65.2	44
Show		21129+3014	BUP 227	AC	300	91.5	44
Show		21129+3014	BUP 227	AD	63	105.3	44
Show		21129+3014	FYM 141	AE	76	42.8	44
Show		21129+3014	FYM 141	AF	267	63.6	44
Show		21129+3014	FYM 141	AG	97	70.7	44
Show		21180+3049	COU1183		16	0.3	46
Show		21182+3035	POP 228	NK	64	6.5	50
Show		21182+3035	HO 154	AB	211	3.6	51
Show		21182+3035	POP 228	AC	139	9.0	51
Show		21182+3035	NOV 1	AD	162	21.4	51
Show		21182+3035	POP 228	AN	262	64.2	51
Show		21182+3035	NOV 1	AX	142	186.7	51
Show		21182+3035	NOV 1	XL	89	32.2	54
Show		21182+3035	NOV 1	XQ	134	29.2	54
Show		21182+3035	NOV 1	XY	206	14.1	54
Show		21182+3035	NOV 1	XZ	57	18.3	54
Show		21162+3145	TDT2871		230	3.3	57
Show		21156+2957	TDT2864		100	0.9	57
Show		21185+3037	FYM 538	AB	192	7.0	58
Show		21185+3037	FYM 538	BC	218	5.7	58
Show		21167+3001	MLB1091		170	10.4	59
Show		21169+3001	MLB 538	AB	310	3.2	60
Show		21169+3001	DAM 227	AC	26	8.2	60
Show		21103+3027	TDT2801		237	0.9	60
Show		21099+3100	HJ 1616	AB	315	10.3	61
Show		21099+3100	GRV 431	AC	16	22.5	61
Show		21101+3027	KPP4225		236	2.2	63
Show		21161+2951	BWL 56	BF	233	3.5	64
Show		21167+2955	TDT2878		10	0.6	64
Show		21161+2951	LDS1053	AB	259	26.0	64
Show		21161+2951	BWL 56	Aa,Ab	163	0.1	64
Show		21161+2951	BWL 56	AC	77	3.4	64
Show		21161+2951	BWL 56	AD	200	2.6	64
Show		21161+2951	BWL 56	AE	226	4.4	64
Show		21146+3157	GRV 437		204	51.6	65
Show		21162+2948	TDT2872		163	0.7	69
Show		21158+3159	TDT2868		185	2.0	70
Show		21132+3202	J 3127	AB	159	1.6	72

WDS 21145+3052 : COMPONENTS

	A
B	pa=173.6° sep=2.73"

21145+3052 A

Componente originario normalizzato	AB		Coord arcsec 2000	211429.17+305209.1		Mag	11.82		PmRA	9.00
PmDE	1.0		Tycho2	2702-01487-1

Tycho2

Tycho2	2702-01487-1	Pflag		RAmdeg	318.62153667	DEmdeg	30.86919815
PmRA	9.0	PmDE	0.5	E RAmdeg	58	E DEmdeg	55
E pmRA	2.6	E pmDE	2.5	EpRAm	1985.43	EpDEm	1985.91
Num	3	Q RAmdeg	1.8	Q DEmdeg	1.0	Q pmRA	1.8
Q pmDE	1.0	BTmag	12.448	E BTmag	0.145	VTmag	11.703
E VTmag	0.103	Prox	999	TYC		HIP
CCDM		RAdeg	318.62151167	DEdeg	30.86919694	EpRA 1990	1.43
EpDE 1990	1.57	E RAdeg	59.7	E DEdeg	56.8	Posflg
Corr	0.1

21145+3052 B

Componente originario normalizzato	AB		Coord arcsec 2000	211429.19+305206.4		Mag	12.69		PmRA	9.00
PmDE	1.0		Calc delta mag	0.87		Calc coord	yes