21389+3058 TDT 3081

21^h 38^m 56.05^s +30° 57' 46.4" P.A. 114.00 sep 0.8 mag 11.76,11.87

Coord 2000	21389+3058	Discov num	TDT3081	Comp		Coord arcsec 2000	21 38 56.05 +30 57 46.4
Date first	1991	Date last	1991	Obs	1
Pa first	114	Pa last	114	P.A. Now (θ)	114°
Sep first	0.8	Sep last	0.75	Sep. Now (ρ)	0.75"
Mag pri	11.76	Mag sec	11.87	delta mag (ΔM)	0.11	Spectral class
Pri motion ra	+012	Sec motion ra	+012
Pri motion dec	-002	Sec motion dec	-002
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2717-00050-1

Gaia DR2

1849836749328994432

WDS 21389+3058 TDT 3081 : 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
21389+3058	TDT3081		1991	1	114	0.8	11.76	11.87			213856.05+305746.4

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WDS 21389+3058 TDT 3081 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21389+3058 TDT 3081 : MEASURES

No records found.

WDS 21389+3058 : VIRTUAL EYEPIECE

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WDS 21389+3058 : ALADIN DSS IMAGE @ 21^h 38^m 56.05^s +30° 57' 46.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21389+3058 TDT 3081 : 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		21389+3058	TDT3081		114	0.8
Show		21384+3044	LDS4900		213	17.4	17
Show		21407+3056	GRV 490		328	31.7	23
Show		21412+3043	J 3143		262	6.6	32
Show		21409+3122	AG 275		13	10.9	36
Show		21396+3136	TDT3088		149	2.9	40
Show		21358+3101	HJ 939	AB	176	15.6	41
Show		21358+3101	STF2808	AC	286	42.8	41
Show		21358+3104	HJ 940		329	21.0	42
Show		21358+3101	HJ 939	CD	344	15.1	42
Show		21422+3100	OSO 154	AB	25	15.3	42
Show		21422+3100	OSO 154	AC	239	15.8	42
Show		21422+3100	OSO 154	AD	166	16.4	42
Show		21422+3100	OSO 154	AE	108	19.6	42
Show		21378+3143	ES 2359		83	2.7	49
Show		21353+3043	TDT3047		19	2.4	49
Show		21395+3009	A 772		112	0.1	49
Show		21372+3142	TDT3064		90	0.8	50
Show		21364+3015	MLB 719		136	6.0	54
Show		21360+3137	HO 163		19	9.0	55
Show		21383+2958	HJ 1670		78	11.7	61
Show		21353+3020	MLB 718		307	8.1	61
Show		21355+3012	UC 4502		264	46.1	64
Show		21384+2953	MLB 491		34	4.8	65
Show		21422+3008	MLB 575	AC	133	17.4	65
Show		21422+3008	MLB 575	BC	108	2.7	65
Show		21362+3003	BU 167		89	1.7	65
Show		21348+3016	ES 380	CD	312	2.9	68
Show		21429+3014	TDT3119		157	2.7	68
Show		21348+3016	ES 380	AB	49	16.2	68
Show		21348+3016	ES 380	AC	106	61.5	68
Show		21412+2955	GRV 491		21	31.4	69
Show		21334+3058	COU 732	Aa,Ab	265	0.5	72
Show		21334+3058	KU 132	AB	256	53.6	72
Show		21431+3149	A 1222		352	0.7	75
Show		21420+2951	MLB 720		140	7.2	78
Show		21385+3217	ES 2319		58	2.9	80
Show		21444+3140	HJ 1686		229	13.7	83
Show		21348+3204	LSL 1	CG	199	11.5	84
Show		21368+3217	COU1184		158	0.2	85
Show		21348+3204	LSL 1	BF	210	18.4	85
Show		21430+2951	KPP 498		58	3.9	86
Show		21451+3026	TDT3136			0.8	86
Show		21332+3015	ES 379		300	9.0	86
Show		21455+3113	TDT3141		358	2.5	86
Show		21348+3204	LSL 1	AB	82	82.1	86
Show		21348+3204	LSL 1	AC	127	106.1	86
Show		21348+3204	LSL 1	AD	134	21.2	86
Show		21348+3204	LSL 1	AE	331	10.5	86
Show		21401+2928	BRT 57		137	5.0	90
Show		21449+3145	ES 381		110	4.6	90

WDS 21389+3058 : COMPONENTS

	A
B	pa=117.4° sep=0.66"

21389+3058 A

Componente originario normalizzato	AB		Coord arcsec 2000	213856.05+305746.4		Mag	11.76		PmRA	12.00
PmDE	-2.0		Tycho2	2717-00050-1

Tycho2

Tycho2	2717-00050-1	Pflag		RAmdeg	324.73364820	DEmdeg	30.96284211
PmRA	11.7	PmDE	-1.5	E RAmdeg	48	E DEmdeg	48
E pmRA	2.5	E pmDE	2.4	EpRAm	1987.40	EpDEm	1987.32
Num	3	Q RAmdeg	0.3	Q DEmdeg	0.2	Q pmRA	0.3
Q pmDE	0.2	BTmag	12.552	E BTmag	0.169	VTmag	11.168
E VTmag	0.065	Prox	999	TYC		HIP
CCDM		RAdeg	324.73361639	DEdeg	30.96284556	EpRA 1990	1.61
EpDE 1990	1.69	E RAdeg	49.4	E DEdeg	49.4	Posflg
Corr	0.0

21389+3058 B

Componente originario normalizzato	AB		Coord arcsec 2000	213856.10+305746.1		Mag	11.87		PmRA	12.00
PmDE	-2.0		Calc delta mag	0.11		Calc coord	yes