20281+4509 TDS 1075

20^h 28^m 03.22^s +45° 09' 17.1" P.A. 358.00 sep 1.4 mag 11.08,11.78

Coord 2000	20281+4509	Discov num	TDS1075	Comp		Coord arcsec 2000	20 28 03.22 +45 09 17.1
Date first	1991	Date last	2015	Obs	2
Pa first	350	Pa last	358.2	P.A. Now (θ)	358.2°
Sep first	1.4	Sep last	1.365	Sep. Now (ρ)	1.365"
Mag pri	11.08	Mag sec	11.78	delta mag (ΔM)	0.7	Spectral class
Pri motion ra	-007	Sec motion ra	-007
Pri motion dec	-005	Sec motion dec	-005
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3573-00084-1

Gaia DR2

2070877786684262912

WDS 20281+4509 TDS 1075 : 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
20281+4509	TDS1075		1991	1	350	1.4	11.08	11.78			202803.22+450917.1
20281+4509	TDS1075		2015	2	358	1.4	11.08	11.78			202803.22+450917.1

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WDS 20281+4509 TDS 1075 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20281+4509 TDS 1075 : MEASURES

No records found.

WDS 20281+4509 : VIRTUAL EYEPIECE

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WDS 20281+4509 : ALADIN DSS IMAGE @ 20^h 28^m 03.22^s +45° 09' 17.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20281+4509 TDS 1075 : 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		20281+4509	TDS1075		358	1.4	1
Show		20277+4507	ROE 43	AB	317	17.4	5
Show		20277+4507	ROE 43	AC	312	52.6	5
Show		20277+4507	ROE 43	AD	271	42.4	5
Show		20277+4507	ROE 43	AE	282	82.9	5
Show		20277+4507	ROE 43	AF	336	87.1	5
Show		20277+4507	ROE 43	AG	282	102.4	5
Show		20277+4507	BKO 154	AH	224	18.4	5
Show		20277+4507	BKO 154	AI	63	24.2	5
Show		20277+4507	BKO 154	CJ	331	17.9	5
Show		20277+4507	BKO 154	EK	109	4.7	6
Show		20282+4458	ES 661		156	6.9	12
Show		20293+4508	RAO 434		162	1.2	14
Show		20295+4516	ES 662		142	5.7	17
Show		20264+4520	KPP 472		88	4.6	21
Show		20270+4539	HJ 1518		86	15.3	32
Show		20258+4533	TDT2263		330	1.4	34
Show		20272+4437	BRT2264		4	3.0	35
Show		20295+4437	TDT2320		223	0.7	36
Show		20291+4544	BU 1135		335	1.5	37
Show		20303+4439	ES 1441		127	2.0	39
Show		20246+4529	HJ 1514		215	11.3	40
Show		20305+4434	ES 1442		265	2.7	44
Show		20240+4457	ES 1331		78	1.3	46
Show		20238+4525	ES 801		170	9.6	48
Show		20317+4540	HJ 1533		187	10.9	50
Show		20300+4556	LSC 91		19	0.3	51
Show		20237+4442	ES 1330		309	3.6	53
Show		20269+4611	BRT2263		34	4.1	63
Show		20343+4520	ES 804	AB	117	30.8	68
Show		20343+4520	ES 804	BC	128	2.2	68
Show		20338+4540	A 740		313	0.8	69
Show		20217+4522	BRT2261		272	4.5	69
Show		20223+4546	POP 144		121	6.0	72
Show		20328+4418	COU2645		290	0.1	72
Show		20303+4401	TDT2326		100	0.7	73
Show		20348+4531	ES 805		152	7.9	75
Show		20314+4403	ES 1443		304	2.5	76
Show		20267+4353	FYM 258	AB	345	17.2	78
Show		20267+4353	FYM 258	AC	244	37.4	78
Show		20267+4353	FYM 258	AD	100	24.8	78
Show		20253+4355	A 291	AB	148	0.8	80
Show		20253+4355	A 291	AC	284	18.1	80
Show		20266+4350	TDT2273		211	0.5	82
Show		20210+4437	A 725		25	0.9	83
Show		20231+4405	TDT2227		172	0.5	84
Show		20231+4618	TDT2226		183	1.2	86
Show		20225+4613	A 726		276	0.5	87
Show		20198+4522	STT 406		100	0.3	88
Show		20269+4636	KPP4199		284	1.5	89
Show		20304+4634	ES 663		110	5.0	89

WDS 20281+4509 : COMPONENTS

	A
B	pa=358.7° sep=1.36"

20281+4509 A

Componente originario normalizzato	AB		Coord arcsec 2000	202803.22+450917.1		Mag	11.08		PmRA	-7.00
PmDE	-5.0		Tycho2	3573-00084-1

Tycho2

Tycho2	3573-00084-1	Pflag	P	RAmdeg	307.01340495	DEmdeg	45.15476154
PmRA	-6.5	PmDE	-4.7	E RAmdeg	36	E DEmdeg	35
E pmRA	1.5	E pmDE	1.4	EpRAm	1985.56	EpDEm	1984.71
Num	4	Q RAmdeg	1.0	Q DEmdeg	1.8	Q pmRA	1.1
Q pmDE	1.8	BTmag	11.378	E BTmag	0.055	VTmag	11.082
E VTmag	0.066	Prox	14	TYC	T	HIP
CCDM		RAdeg	307.01345472	DEdeg	45.15466278	EpRA 1990	1.73
EpDE 1990	1.75	E RAdeg	36.5	E DEdeg	36.3	Posflg	D
Corr	0.0

20281+4509 B

Componente originario normalizzato	AB		Coord arcsec 2000	202803.22+450918.5		Mag	11.78		PmRA	-7.00
PmDE	-5.0		Tycho2	3573-00084-2		Calc delta mag	0.7		Calc coord	yes

Tycho2

Tycho2	3573-00084-2	Pflag	P	RAmdeg	307.01340495	DEmdeg	45.15476154
PmRA	-6.5	PmDE	-4.7	E RAmdeg	36	E DEmdeg	35
E pmRA	1.5	E pmDE	1.4	EpRAm	1985.56	EpDEm	1984.71
Num	4	Q RAmdeg	1.0	Q DEmdeg	1.8	Q pmRA	1.1
Q pmDE	1.8	BTmag	11.973	E BTmag	0.094	VTmag	11.777
E VTmag	0.137	Prox	14	TYC		HIP
CCDM		RAdeg	307.01335556	DEdeg	45.15503861	EpRA 1990	1.73
EpDE 1990	1.76	E RAdeg	61.4	E DEdeg	60.7	Posflg	D
Corr	0.0