21397+3934 TDT 3090

21^h 39^m 40.30^s +39° 33' 38.1" P.A. 171.00 sep 0.7 mag 10.73,11.13

Coord 2000	21397+3934	Discov num	TDT3090	Comp		Coord arcsec 2000	21 39 40.30 +39 33 38.1
Date first	1991	Date last	2016	Obs	3
Pa first	172	Pa last	171.4	P.A. Now (θ)	171.4°
Sep first	0.6	Sep last	0.724	Sep. Now (ρ)	0.724"
Mag pri	10.73	Mag sec	11.13	delta mag (ΔM)	0.4	Spectral class
Pri motion ra	+028	Sec motion ra	+028
Pri motion dec	+001	Sec motion dec	+001
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3187-00196-1

Gaia DR2

1953964898523858432

WDS 21397+3934 TDT 3090 : 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
21397+3934	TDT3090		1991	1	172	0.6	10.73	11.13			213940.30+393338.1
21397+3934	TDT3090		2015	2	172	0.7	10.73	11.13			213940.30+393338.1
21397+3934	TDT3090		2016	3	171	0.7	10.73	11.13			213940.30+393338.1

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WDS 21397+3934 TDT 3090 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21397+3934 TDT 3090 : MEASURES

No records found.

WDS 21397+3934 : VIRTUAL EYEPIECE

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WDS 21397+3934 : ALADIN DSS IMAGE @ 21^h 39^m 40.30^s +39° 33' 38.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21397+3934 TDT 3090 : 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		21397+3934	TDT3090		171	0.7
Show		21399+3931	A 1445	AB	283	1.5	4
Show		21399+3931	HJ 1675	AC	264	37.9	4
Show		21399+3941	A 1446		40	1.3	8
Show		21387+3924	TDT3080		245	2.7	15
Show		21393+3948	KPP4241		95	4.0	15
Show		21400+3919	ALI 978		14	13.3	16
Show		21385+3942	MLB 786		209	5.3	16
Show		21413+3928	BU 274		180	3.7	20
Show		21383+3917	GRV 488		19	59.8	22
Show		21371+3942	TDT3063		159	0.6	31
Show		21383+3906	ALI 976		173	12.8	32
Show		21377+3911	ALI 975		153	12.8	33
Show		21371+3915	GRV 485		74	19.6	35
Show		21403+3858	MLB 787		351	5.4	36
Show		21366+3928	VYS 10		261	1.0	36
Show		21387+3848	ALI 977		221	11.6	48
Show		21429+3904	GRV 496		72	29.9	48
Show		21363+4002	MLB 28		256	4.3	49
Show		21353+3935	ALI1163		342	7.1	51
Show		21403+3843	ALI 979		5	9.8	51
Show		21421+3848	ALI 980		139	8.9	54
Show		21417+4022	TDT3111		296	2.7	54
Show		21363+4012	AG 273		3	8.9	55
Show		21408+4027	TDT3102		25	1.4	56
Show		21445+3933	A 1447		243	0.4	56
Show		21351+4000	MLB 901		233	5.8	60
Show		21369+4025	DRS 20		58	7.0	60
Show		21431+4021	TDT3121		157	1.7	62
Show		21450+3942	GRV 499		170	67.4	63
Show		21348+3903	LEP 101		168	19.9	65
Show		21458+3945	MLB 902		327	5.6	68
Show		21454+3955	SEI1534		189	27.8	69
Show		21336+3943	TDT3031		296	0.6	71
Show		21459+3943	SEI1535		229	8.5	73
Show		21386+3822	TDT3078		157	0.7	74
Show		21333+3940	MLB 900		279	6.8	74
Show		21335+3951	TDT3030		176	0.8	74
Show		21336+3905	COU1975	AB	359	21.4	76
Show		21336+3905	COU1975	Aa,Ab	331	0.3	76
Show		21331+3938	MLB 899	AB	51	3.2	76
Show		21331+3938	MLB 899	AC	142	27.9	76
Show		21352+3839	ES 2713		98	17.7	76
Show		21396+4049	MLB 29		340	6.8	77
Show		21346+4024	MLB 27	AB	325	16.9	77
Show		21346+4024	MLB 27	AC	277	19.3	77
Show		21346+4024	MLB 27	CD	253	6.5	77
Show		21453+3853	TDT3139		65	0.5	77
Show		21354+3837	ES 1995		39	2.3	78
Show		21416+4048	S 796	AB	233	58.2	78
Show		21416+4048	S 796	AC	282	132.4	78

WDS 21397+3934 : COMPONENTS

	A
B	pa=173.3° sep=0.72"

21397+3934 A

Componente originario normalizzato	AB		Coord arcsec 2000	213940.30+393338.1		Mag	10.73		PmRA	28.00
PmDE	1.0		Tycho2	3187-00196-1

Tycho2

Tycho2	3187-00196-1	Pflag		RAmdeg	324.91792338	DEmdeg	39.56051656
PmRA	28.0	PmDE	0.9	E RAmdeg	21	E DEmdeg	20
E pmRA	1.9	E pmDE	1.8	EpRAm	1988.34	EpDEm	1988.69
Num	4	Q RAmdeg	0.3	Q DEmdeg	1.2	Q pmRA	0.3
Q pmDE	1.2	BTmag	10.975	E BTmag	0.043	VTmag	10.253
E VTmag	0.033	Prox	999	TYC	T	HIP
CCDM		RAdeg	324.91783806	DEdeg	39.56051750	EpRA 1990	1.61
EpDE 1990	1.67	E RAdeg	24.2	E DEdeg	21.9	Posflg	P
Corr	0.1

21397+3934 B

Componente originario normalizzato	AB		Coord arcsec 2000	213940.31+393337.4		Mag	11.13		PmRA	28.00
PmDE	1.0		Calc delta mag	0.4		Calc coord	yes