21071+3459 TDT 2764

21^h 07^m 04.05^s +34° 59' 07.4" P.A. 25.00 sep 1.7 mag 11.60,12.65

Coord 2000	21071+3459	Discov num	TDT2764	Comp		Coord arcsec 2000	21 07 04.05 +34 59 07.4
Date first	1991	Date last	1991	Obs	1
Pa first	25	Pa last	25	P.A. Now (θ)	25°
Sep first	1.7	Sep last	1.68	Sep. Now (ρ)	1.68"
Mag pri	11.60	Mag sec	12.65	delta mag (ΔM)	1.05	Spectral class
Pri motion ra	-007	Sec motion ra	-007
Pri motion dec	-014	Sec motion dec	-014
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2709-00323-1

Gaia DR2

1867929556770280064

WDS 21071+3459 TDT 2764 : 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
21071+3459	TDT2764		1991	1	25	1.7	11.60	12.65			210704.05+345907.4

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WDS 21071+3459 TDT 2764 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21071+3459 TDT 2764 : MEASURES

No records found.

WDS 21071+3459 : VIRTUAL EYEPIECE

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WDS 21071+3459 : ALADIN DSS IMAGE @ 21^h 07^m 04.05^s +34° 59' 07.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21071+3459 TDT 2764 : 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		21071+3459	TDT2764		25	1.7
Show		21067+3455	HU 691		313	0.4	7
Show		21061+3459	POP 25		303	5.5	12
Show		21059+3459	POP 24		247	8.2	15
Show		21074+3444	COU1814		195	0.3	16
Show		21082+3449	TDT2776	Aa,Ab	103	0.5	17
Show		21082+3449	ES 2255	AB	249	5.0	17
Show		21075+3441	GRV 420		145	22.3	19
Show		21066+3436	POP 22	XY	352	6.1	22
Show		21066+3436	POP 22	DE	283	7.9	22
Show		21054+3447	GRV 414		170	67.7	23
Show		21062+3520	GRV 417		143	41.2	24
Show		21066+3436	POP 22	FG	318	7.9	24
Show		21066+3436	POP 22	AB	110	6.3	24
Show		21066+3436	POP 22	AC	16	29.8	24
Show		21066+3436	POP 22	AD	347	135.5	24
Show		21066+3436	POP 22	AF	303	55.9	24
Show		21066+3436	POP 22	AM	113	176.5	24
Show		21066+3436	POP 22	AX	354	139.8	24
Show		21066+3436	POP 22	MN	272	8.9	25
Show		21094+3506	TDT2790		118	0.4	30
Show		21095+3506	TDT2791		252	2.0	31
Show		21059+3528	TDT2744		36	0.6	33
Show		21097+3504	TDT2795		252	2.5	34
Show		21098+3504	ES 2257	BC	260	5.5	34
Show		21098+3504	ES 2257	AB	268	15.2	34
Show		21050+3526	STF2753		335	29.3	38
Show		21095+3437	ES 2256		102	4.7	38
Show		21056+3533	TDT2736		282	0.4	39
Show		21078+3421	ES 2313	AB	196	7.3	39
Show		21078+3421	HJ 1614	AC	257	12.3	39
Show		21078+3421	ABH 141	AD	42	84.7	39
Show		21078+3421	ABH 141	AE	140	22.5	39
Show		21078+3421	ABH 141	AG	96	70.7	39
Show		21078+3421	ABH 141	AH	127	84.0	39
Show		21078+3421	ABH 141	AI	124	107.6	39
Show		21078+3421	ABH 141	AJ	222	62.0	39
Show		21078+3421	FYM 125	AL	195	61.0	39
Show		21078+3421	FYM 125	AM	259	67.3	39
Show		21078+3421	ABH 141	AF	92	56.4	39
Show		21078+3421	FYM 125	AK	232	74.3	39
Show		21078+3421	ABH 141	GF	293	15.2	40
Show		21078+3421	FYM 125	JK	260	14.0	40
Show		21099+3517	TDT2797		143	2.2	40
Show		21091+3531	POP 26		242	4.8	42
Show		21048+3531	S 773	AB	30	86.3	43
Show		21056+3421	TDS1114		258	0.8	43
Show		21048+3531	TDT2727	Ba,Bb	170	0.4	43
Show		21048+3531	GRV 410	BC	82	17.2	43
Show		21042+3530	SEI1388		211	22.1	47
Show		21108+3502	TDT2808		215	2.8	47

WDS 21071+3459 : COMPONENTS

	A
B	pa=20.9° sep=1.63"

21071+3459 A

Componente originario normalizzato	AB		Coord arcsec 2000	210704.05+345907.4		Mag	11.6		PmRA	-7.00
PmDE	-14.0		Tycho2	2709-00323-1

Tycho2

Tycho2	2709-00323-1	Pflag		RAmdeg	316.76689720	DEmdeg	34.98539602
PmRA	-7.4	PmDE	-13.5	E RAmdeg	57	E DEmdeg	50
E pmRA	4.7	E pmDE	5.5	EpRAm	1988.55	EpDEm	1990.10
Num	3	Q RAmdeg	1.3	Q DEmdeg	0.2	Q pmRA	1.3
Q pmDE	0.2	BTmag	12.692	E BTmag	0.167	VTmag	11.559
E VTmag	0.084	Prox	999	TYC	T	HIP
CCDM		RAdeg	316.76691806	DEdeg	34.98542667	EpRA 1990	1.65
EpDE 1990	1.81	E RAdeg	58.9	E DEdeg	51.4	Posflg
Corr	0.1

21071+3459 B

Componente originario normalizzato	AB		Coord arcsec 2000	210704.10+345908.9		Mag	12.65		PmRA	-7.00
PmDE	-14.0		Calc delta mag	1.05		Calc coord	yes