20399+3154 TDT 2456

20^h 39^m 53.07^s +31° 54' 12.4" P.A. 18.00 sep 0.7 mag 11.95,12.18

Coord 2000	20399+3154	Discov num	TDT2456	Comp		Coord arcsec 2000	20 39 53.07 +31 54 12.4
Date first	1991	Date last	1991	Obs	1
Pa first	18	Pa last	17.7	P.A. Now (θ)	17.7°
Sep first	0.7	Sep last	0.68	Sep. Now (ρ)	0.68"
Mag pri	11.95	Mag sec	12.18	delta mag (ΔM)	0.23	Spectral class
Pri motion ra	+019	Sec motion ra	+019
Pri motion dec	+018	Sec motion dec	+018
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2690-00391-1

Gaia DR2

1862516764108495872

WDS 20399+3154 TDT 2456 : NOTES

No records found.

DISCOVERER

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20399+3154	TDT2456		1991	1	18	0.7	11.95	12.18			203953.07+315412.4

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WDS 20399+3154 TDT 2456 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20399+3154 TDT 2456 : MEASURES

No records found.

WDS 20399+3154 : VIRTUAL EYEPIECE

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WDS 20399+3154 : ALADIN DSS IMAGE @ 20^h 39^m 53.07^s +31° 54' 12.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20399+3154 TDT 2456 : NEIGHBORHOODS

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Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		20399+3154	TDT2456		18	0.7	0
Show		20384+3215	TDT2445		224	2.5	28
Show		20410+3218	BNU 7	Aa,Ab	19	0.2	29
Show		20410+3218	STF2716	AB	45	2.8	29
Show		20410+3218	STF2716	AC	93	67.1	29
Show		20419+3210	TDT2479		316	1.1	30
Show		20423+3202	TDT2482		314	0.7	33
Show		20376+3138	COU1328		35	2.8	34
Show		20375+3134	STFA 53	AB	177	182.7	37
Show		20375+3134	STFA 53	AC	0	71.3	37
Show		20375+3134	FYM 138	AH	89	111.0	37
Show		20375+3134	FYM 138	BD	35	41.0	38
Show		20375+3134	FYM 138	BE	29	58.4	38
Show		20375+3134	FYM 138	BF	81	38.8	38
Show		20375+3134	FYM 138	BG	83	62.5	38
Show		20371+3138	TDT2425		261	0.5	40
Show		20368+3157	J 568		351	5.0	40
Show		20378+3224	ARY 48		41	53.3	41
Show		20408+3115	TDT2468		247	1.9	42
Show		20371+3217	STN 51		269	32.6	43
Show		20416+3117	TDT2474		224	1.7	44
Show		20365+3149	TDS1085		58	1.5	44
Show		20366+3209	TDT2417		18	1.1	45
Show		20435+3212	KPP1637		224	12.6	50
Show		20382+3109	AG 261		154	4.3	51
Show		20377+3112	BRT 283		266	4.3	51
Show		20391+3103	J 1238		18	3.6	52
Show		20358+3152	TDT2404		68	1.9	53
Show		20437+3137	LDS2929		219	2.5	53
Show		20435+3127	TDT2499		80	0.4	54
Show		20447+3146	TDT2513		329	0.6	62
Show		20439+3119	ES 366		128	4.4	63
Show		20402+3258	GRV 367		298	38.3	65
Show		20419+3054	TDT2480		147	0.6	66
Show		20350+3130	TDT2396		144	0.6	67
Show		20422+3254	RAO 441		43	3.2	67
Show		20348+3212	TDT2392		121	0.6	68
Show		20414+3049	TDS1091		350	0.8	68
Show		20452+3146	ARY 86		22	78.4	69
Show		20410+3047	TDT2470		181	2.5	69
Show		20437+3243	COU1633	Aa,Ab	239	1.9	69
Show		20437+3243	ES 2376	AB	124	7.6	69
Show		20401+3044	TDT2457	Aa,Ab	139	0.9	70
Show		20401+3044	ROE 15	AB	249	7.6	70
Show		20401+3044	ROE 15	AC	257	30.4	70
Show		20355+3241	COU1632		254	0.6	73
Show		20347+3230	STF2700		284	24.1	75
Show		20410+3315	GYL 38		274	17.5	82
Show		20452+3240	TDT2517		144	1.6	83
Show		20435+3302	GRV 372		109	17.3	83
Show		20464+3155	TDT2532		127	1.8	83

WDS 20399+3154 : COMPONENTS

	A
B	pa=15.2° sep=0.67"

20399+3154 A

Coord arcsec 2000	203953.07+315412.4		Mag	11.95		PmRA	19.00		PmDE	18.0
Tycho2	2690-00391-1

Tycho2

Tycho2	2690-00391-1	Pflag		RAmdeg	309.97114714	DEmdeg	31.90351070
PmRA	18.8	PmDE	17.9	E RAmdeg	42	E DEmdeg	39
E pmRA	2.0	E pmDE	2.0	EpRAm	1986.61	EpDEm	1987.19
Num	4	Q RAmdeg	1.3	Q DEmdeg	1.5	Q pmRA	1.4
Q pmDE	1.5	BTmag	11.930	E BTmag	0.071	VTmag	11.329
E VTmag	0.066	Prox	999	TYC	T	HIP
CCDM		RAdeg	309.97109444	DEdeg	31.90346889	EpRA 1990	1.67
EpDE 1990	1.82	E RAdeg	42.7	E DEdeg	39.6	Posflg
Corr	0.2

20399+3154 B

Coord arcsec 2000	203953.08+315413.0		Mag	12.18		PmRA	19.00		PmDE	18.0
Calc delta mag	0.23		Calc coord	yes