20408+3115 TDT 2468

20^h 40^m 50.48^s +31° 15' 00.5" P.A. 247.00 sep 1.9 mag 10.60,12.58

Coord 2000	20408+3115	Discov num	TDT2468	Comp		Coord arcsec 2000	20 40 50.48 +31 15 00.5
Date first	1991	Date last	1991	Obs	1
Pa first	247	Pa last	246.8	P.A. Now (θ)	246.8°
Sep first	1.9	Sep last	1.85	Sep. Now (ρ)	1.85"
Mag pri	10.60	Mag sec	12.58	delta mag (ΔM)	1.98	Spectral class
Pri motion ra	-008	Sec motion ra	-008
Pri motion dec	+012	Sec motion dec	+012
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2686-00304-1

Gaia DR2

1862408840167835392

WDS 20408+3115 TDT 2468 : 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
20408+3115	TDT2468		1991	1	247	1.9	10.60	12.58			204050.48+311500.5

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WDS 20408+3115 TDT 2468 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20408+3115 TDT 2468 : MEASURES

No records found.

WDS 20408+3115 : VIRTUAL EYEPIECE

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WDS 20408+3115 : ALADIN DSS IMAGE @ 20^h 40^m 50.48^s +31° 15' 00.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20408+3115 TDT 2468 : 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		20408+3115	TDT2468		247	1.9	1
Show		20416+3117	TDT2474		224	1.7	10
Show		20391+3103	J 1238		18	3.6	24
Show		20419+3054	TDT2480		147	0.6	26
Show		20414+3049	TDS1091		350	0.8	27
Show		20410+3047	TDT2470		181	2.5	28
Show		20401+3044	TDT2457	Aa,Ab	139	0.9	32
Show		20401+3044	ROE 15	AB	249	7.6	32
Show		20401+3044	ROE 15	AC	257	30.4	32
Show		20382+3109	AG 261		154	4.3	35
Show		20435+3127	TDT2499		80	0.4	36
Show		20439+3119	ES 366		128	4.4	40
Show		20377+3112	BRT 283		266	4.3	41
Show		20399+3154	TDT2456		18	0.7	42
Show		20437+3137	LDS2929		219	2.5	44
Show		20375+3134	FYM 138	BD	35	41.0	46
Show		20375+3134	FYM 138	BE	29	58.4	46
Show		20375+3134	FYM 138	BF	81	38.8	46
Show		20375+3134	FYM 138	BG	83	62.5	46
Show		20375+3134	STFA 53	AB	177	182.7	47
Show		20375+3134	STFA 53	AC		71.3	47
Show		20375+3134	FYM 138	AH	89	111.0	47
Show		20396+3030	STF2711		223	2.4	48
Show		20376+3138	COU1328		35	2.8	48
Show		20423+3202	TDT2482		314	0.7	51
Show		20371+3138	TDT2425		261	0.5	54
Show		20419+3210	TDT2479		316	1.1	57
Show		20447+3146	TDT2513		329	0.6	59
Show		20455+3102	A 1211		242	3.6	62
Show		20410+3218	BNU 7	Aa,Ab	19	0.2	64
Show		20410+3218	STF2716	AB	45	2.8	64
Show		20410+3218	STF2716	AC	93	67.1	64
Show		20413+3012	ARY 28	AB	332	62.8	64
Show		20413+3012	ARY 28	AC	35	102.2	64
Show		20452+3146	ARY 86		22	78.4	65
Show		20365+3149	TDS1085		58	1.5	65
Show		20363+3044	TDT2411		90	0.8	67
Show		20435+3212	KPP1637		224	12.6	67
Show		20368+3157	J 568		351	5.0	67
Show		20384+3215	TDT2445		224	2.5	68
Show		20407+3007	TDT2467		160	0.8	69
Show		20456+3043	STF2726		74	5.8	70
Show		20412+3001	COU1173		46	1.1	74
Show		20358+3152	TDT2404		68	1.9	75
Show		20448+3022	AG 410		187	19.0	75
Show		20416+3000	COU1174		32	0.3	76
Show		20350+3130	TDT2396		144	0.6	77
Show		20366+3209	TDT2417		18	1.1	77
Show		20371+3217	STN 51		269	32.6	79
Show		20378+3224	ARY 48		41	53.3	80
Show		20439+3005	TDS1097		357	0.9	81

WDS 20408+3115 : COMPONENTS

	A
B	pa=243.4° sep=1.63"

20408+3115 A

Componente originario normalizzato	AB		Coord arcsec 2000	204050.48+311500.5		Mag	10.6		PmRA	-8.00
PmDE	12.0		Tycho2	2686-00304-1

Tycho2

Tycho2	2686-00304-1	Pflag		RAmdeg	310.21031480	DEmdeg	31.25013491
PmRA	-8.2	PmDE	12.1	E RAmdeg	25	E DEmdeg	24
E pmRA	2.3	E pmDE	2.3	EpRAm	1988.36	EpDEm	1990.01
Num	4	Q RAmdeg	0.8	Q DEmdeg	0.6	Q pmRA	0.9
Q pmDE	0.6	BTmag	11.799	E BTmag	0.054	VTmag	10.671
E VTmag	0.036	Prox	999	TYC	T	HIP
CCDM		RAdeg	310.21033694	DEdeg	31.25010917	EpRA 1990	1.68
EpDE 1990	1.85	E RAdeg	29.7	E DEdeg	24.6	Posflg
Corr	0.3

20408+3115 B

Componente originario normalizzato	AB		Coord arcsec 2000	204050.37+311459.8		Mag	12.58		PmRA	-8.00
PmDE	12.0		Calc delta mag	1.98		Calc coord	yes