20394+4530 TDS 1087

20^h 39^m 24.01^s +45° 30' 12.3" P.A. 141.00 sep 1.0 mag 11.09,11.58

Coord 2000	20394+4530	Discov num	TDS1087	Comp		Coord arcsec 2000	20 39 24.01 +45 30 12.3
Date first	1991	Date last	1991	Obs	1
Pa first	141	Pa last	140.5	P.A. Now (θ)	140.5°
Sep first	1.0	Sep last	0.967	Sep. Now (ρ)	0.967"
Mag pri	11.09	Mag sec	11.58	delta mag (ΔM)	0.49	Spectral class
Pri motion ra	+000	Sec motion ra	+000
Pri motion dec	-004	Sec motion dec	-004
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3574-03007-1

Gaia DR2

2070370950482387840

WDS 20394+4530 TDS 1087 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
TDS		Tycho Double Star (from additional DD list)	...................
TDT		Tycho Double Star (from additional DD list)	...................

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20394+4530	TDS1087		1991	1	141	1.0	11.09	11.58			203924.01+453012.3

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WDS 20394+4530 TDS 1087 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20394+4530 TDS 1087 : MEASURES

No records found.

WDS 20394+4530 : VIRTUAL EYEPIECE

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WDS 20394+4530 : ALADIN DSS IMAGE @ 20^h 39^m 24.01^s +45° 30' 12.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20394+4530 TDS 1087 : 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		20394+4530	TDS1087		141	1.0
Show	Deneb	20414+4517	H N 73		105	75.6	26
Show		20420+4532	BRT2271		269	4.5	28
Show		20421+4532	BKO 157		240	8.9	29
Show		20376+4504	HJ 1555		354	13.8	33
Show		20423+4549	STT 411	AB	349	31.8	37
Show		20423+4549	WAL 132	AC	357	71.2	37
Show		20423+4549	BKO 158	AF	143	41.0	37
Show		20423+4549	WAL 132	BC	4	40.1	37
Show		20423+4549	CTT 15	BD	178	86.6	37
Show		20423+4549	CTT 15	BE	141	87.9	37
Show		20427+4521	ES 1270		289	5.9	37
Show		20423+4549	BKO 158	EH	340	51.6	37
Show		20423+4549	BKO 158	EF	281	24.9	37
Show		20423+4549	BKO 158	EG	221	28.7	37
Show		20423+4549	BKO 158	EI	236	39.6	37
Show		20360+4555	STJ 103		338	1.3	45
Show		20436+4514	CBL 85		166	17.7	47
Show		20348+4531	ES 805		152	7.9	49
Show		20440+4521	KPP3361		134	2.2	50
Show		20432+4458	BKO 159		37	13.2	52
Show		20434+4501	ES 668	AB	68	5.2	52
Show		20434+4501	ES 668	AC	269	23.4	52
Show		20434+4501	FYM 322	AD	200	18.7	52
Show		20386+4438	ES 667		185	9.8	53
Show		20433+4456	ES 2699		296	40.1	54
Show		20343+4520	ES 804	BC	128	2.2	55
Show		20343+4520	ES 804	AB	117	30.8	55
Show		20338+4540	A 740		313	0.8	60
Show		20388+4629	BRT2268		320	3.4	60
Show		20438+4610	TDT2503		68	0.5	62
Show		20427+4627	TDS1092		315	0.9	67
Show		20437+4619	HO 140		313	8.0	67
Show		20416+4424	COU2541		25	0.4	70
Show		20432+4431	COU2422		236	1.3	72
Show		20464+4551	CVR 230		7	112.9	76
Show		20373+4417	TDT2429		84	0.5	77
Show		20431+4637	BRT2273		308	4.7	78
Show		20461+4452	ES 30		57	17.1	81
Show		20459+4448	ES 2701		81	50.9	81
Show		20317+4540	HJ 1533		187	10.9	82
Show		20456+4621	HDS2955		289	0.4	83
Show		20473+4535	HO 280		75	11.7	84
Show		20400+4405	KPP2366		145	20.3	86
Show		20449+4425	ES 1332		325	7.0	88
Show		20353+4650	MZA 37	AB	319	6.1	91
Show		20353+4650	MZA 37	AC	319	11.1	91
Show		20339+4642	HDS2940	Aa,Ab	46	0.3	92
Show		20339+4642	BU 1489	AB	16	116.5	92
Show		20352+4651	MZA 30	AB	140	22.5	92
Show		20352+4651	MZA 30	AC	115	14.2	92

WDS 20394+4530 : COMPONENTS

	A
B	pa=150.0° sep=0.86"

20394+4530 A

Componente originario normalizzato	AB		Coord arcsec 2000	203924.01+453012.3		Mag	11.09		PmRA	0.00
PmDE	-4.0		Tycho2	3574-01692-1

Tycho2

Tycho2	3574-01692-1	Pflag		RAmdeg	309.84848279	DEmdeg	45.50032591
PmRA	0.2	PmDE	-3.9	E RAmdeg	62	E DEmdeg	69
E pmRA	1.7	E pmDE	1.7	EpRAm	1976.47	EpDEm	1970.10
Num	3	Q RAmdeg	1.0	Q DEmdeg	0.3	Q pmRA	1.1
Q pmDE	0.3	BTmag	11.621	E BTmag	0.069	VTmag	10.446
E VTmag	0.040	Prox	114	TYC	T	HIP
CCDM		RAdeg	309.84848222	DEdeg	45.50033500	EpRA 1990	1.73
EpDE 1990	1.65	E RAdeg	66.7	E DEdeg	77.5	Posflg
Corr	-0.1

20394+4530 B

Componente originario normalizzato	AB		Coord arcsec 2000	203924.05+453011.6		Mag	11.58		PmRA	0.00
PmDE	-4.0		Tycho2	3574-03007-2		Calc delta mag	0.49		Calc coord	yes

Tycho2

Tycho2	3574-03007-2	Pflag	P	RAmdeg	309.85003055	DEmdeg	45.50342020
PmRA	0.1	PmDE	-4.0	E RAmdeg	106	E DEmdeg	110
E pmRA	2.1	E pmDE	2.2	EpRAm	1946.82	EpDEm	1937.06
Num	3	Q RAmdeg	1.0	Q DEmdeg	1.7	Q pmRA	1.0
Q pmDE	1.7	BTmag	12.570	E BTmag	0.207	VTmag	11.583
E VTmag	0.116	Prox	10	TYC		HIP
CCDM		RAdeg	309.85022972	DEdeg	45.50326028	EpRA 1990	1.73
EpDE 1990	1.66	E RAdeg	72.9	E DEdeg	82.1	Posflg	D
Corr	-0.1