21491+3401 TDT 3175

21^h 49^m 07.78^s +34° 01' 25.5" P.A. 157.00 sep 0.7 mag 11.84,12.01

Coord 2000	21491+3401	Discov num	TDT3175	Comp		Coord arcsec 2000	21 49 07.78 +34 01 25.5
Date first	1991	Date last	1991	Obs	1
Pa first	157	Pa last	156.5	P.A. Now (θ)	156.5°
Sep first	0.7	Sep last	0.73	Sep. Now (ρ)	0.73"
Mag pri	11.84	Mag sec	12.01	delta mag (ΔM)	0.17	Spectral class
Pri motion ra	+004	Sec motion ra	+004
Pri motion dec	+004	Sec motion dec	+004
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2726-01827-1

Gaia DR2

1947421842270783232

WDS 21491+3401 TDT 3175 : 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
21491+3401	TDT3175		1991	1	157	0.7	11.84	12.01			214907.78+340125.5

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WDS 21491+3401 TDT 3175 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21491+3401 TDT 3175 : MEASURES

No records found.

WDS 21491+3401 : VIRTUAL EYEPIECE

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WDS 21491+3401 : ALADIN DSS IMAGE @ 21^h 49^m 07.78^s +34° 01' 25.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21491+3401 TDT 3175 : 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		21491+3401	TDT3175		157	0.7	1
Show		21497+3415	KU 133		181	48.9	16
Show		21467+3353	TDT3153		37	0.5	31
Show		21496+3439	STJ 66		283	1.4	39
Show		21476+3326	TDT3156		160	0.4	41
Show		21497+3320	ES 210		111	6.5	42
Show		21496+3319	HDS3106		140	0.1	44
Show		21468+3328	ES 2264		291	8.0	45
Show		21531+3408	TDT3216		130	0.6	50
Show		21501+3449	HJ 1697		253	9.4	50
Show		21493+3451	COU1483		132	0.7	50
Show		21503+3451	HJ 1699	AB	52	12.0	52
Show		21503+3451	ES 2200	BC	182	1.1	52
Show		21451+3424	COU1186	AB	47	0.4	55
Show		21451+3424	COU1186	AC	175	1.7	55
Show		21498+3455	COU1484		348	0.5	55
Show		21519+3319	A 2692		239	3.1	55
Show		21473+3451	COU1482		56	0.8	55
Show		21474+3453	HO 466		145	2.3	57
Show		21529+3327	J 3151		348	6.4	57
Show		21493+3303	J 3146		330	2.6	57
Show		21479+3306	OSO 157	AB	352	5.3	57
Show		21479+3306	OSO 157	AC	72	11.6	57
Show		21479+3306	OSO 157	AD	29	13.9	57
Show		21479+3306	OSO 157	AE	322	21.6	57
Show		21479+3306	OSO 157	AF	123	16.2	57
Show		21447+3332	GIC 170		165	12.9	63
Show		21503+3504	TDT3187		9	0.6	65
Show		21449+3322	ES 2385	AB	271	5.2	66
Show		21449+3322	ES 2385	AC	358	26.7	66
Show		21492+3254	ES 2265		25	3.4	68
Show		21456+3307	COU1187		267	5.1	71
Show		21487+3251	ES 2386		232	4.8	72
Show		21465+3506	KPP1456		282	10.9	73
Show		21524+3504	TDT3211		307	0.9	75
Show		21484+3516	TDT3164		224	0.6	76
Show		21536+3456	TDT3220		83	0.5	78
Show		21442+3453	HO 605		341	2.0	81
Show		21509+3240	FYM 143	CD	90	46.9	84
Show		21509+3240	FYM 143	CE	112	45.1	84
Show		21509+3240	FYM 143	CF	160	36.3	84
Show		21513+3521	TDT3197		207	0.6	85
Show		21522+3252	ES 2321		279	2.0	85
Show		21554+3441	POP 88		241	4.2	85
Show		21509+3240	ES 382	AB	310	9.9	85
Show		21509+3240	ES 382	AC	322	58.1	85
Show		21509+3240	FYM 143	AF	298	26.0	85
Show		21538+3505	TDT3222		339	0.4	86
Show		21487+3233	GRV 510		98	26.5	88
Show		21487+3231	GRV 508		8	48.6	91
Show		21566+3358	RAO 468		187	0.7	93

WDS 21491+3401 : COMPONENTS

	A
B	pa=160.2° sep=0.71"

21491+3401 A

Componente originario normalizzato	AB		Coord arcsec 2000	214907.78+340125.5		Mag	11.84		PmRA	4.00
PmDE	4.0		Tycho2	2726-01827-1

Tycho2

Tycho2	2726-01827-1	Pflag		RAmdeg	327.28245826	DEmdeg	34.02365328
PmRA	3.9	PmDE	4.1	E RAmdeg	37	E DEmdeg	36
E pmRA	2.5	E pmDE	2.3	EpRAm	1986.18	EpDEm	1987.12
Num	6	Q RAmdeg	1.4	Q DEmdeg	1.9	Q pmRA	1.4
Q pmDE	1.9	BTmag	12.884	E BTmag	0.163	VTmag	11.216
E VTmag	0.054	Prox	999	TYC		HIP
CCDM		RAdeg	327.28243861	DEdeg	34.02364389	EpRA 1990	1.60
EpDE 1990	1.73	E RAdeg	43.5	E DEdeg	40.3	Posflg
Corr	0.1

21491+3401 B

Componente originario normalizzato	AB		Coord arcsec 2000	214907.80+340124.8		Mag	12.01		PmRA	4.00
PmDE	4.0		Calc delta mag	0.17		Calc coord	yes