21022+4506 LDS 2481

21^h 02^m 13.27^s +45° 06' 00.4" P.A. 16.00 sep 12.1 mag 17.00,17.50

Coord 2000	21022+4506	Discov num	LDS2481	Comp		Coord arcsec 2000	21 02 13.27 +45 06 00.4
Date first	1954	Date last	2015	Obs	6
Pa first	13	Pa last	16.1	P.A. Now (θ)	16.1°
Sep first	13.0	Sep last	12.1	Sep. Now (ρ)	12.1"
Mag pri	17.00	Mag sec	17.50	delta mag (ΔM)	0.5	Spectral class
Pri motion ra	+129	Sec motion ra
Pri motion dec	+091	Sec motion dec
Notes	X (Dubious double)

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2162659283606588800

WDS 21022+4506 LDS 2481 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
LDS		Luyten p.m. catalog (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
21022+4506	LDS2481		2000	2	14	13.1	17.00	17.50		XD	210213.27+450600.4
21022+4506	LDS2481		2015	3	16	12.1	17.00	17.50		X	210213.27+450600.4

If you need more information about this double, apply for a data request form to the WDS.

WDS 21022+4506 LDS 2481 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21022+4506 LDS 2481 : MEASURES

No records found.

WDS 21022+4506 : VIRTUAL EYEPIECE

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WDS 21022+4506 : ALADIN DSS IMAGE @ 21^h 02^m 13.27^s +45° 06' 00.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21022+4506 LDS 2481 : 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		21022+4506	LDS2481		16	12.1
Show		21010+4528	ES 1271		26	3.1	26
Show		20599+4525	HEI 15		321	0.9	32
Show		21051+4444	SMA 124		72	9.2	39
Show		21061+4448	TDT2745	Ca,Cb	116	0.6	43
Show		21061+4448	ROE 45	CD	107	124.4	43
Show		21046+4541	ES 1168		118	1.4	43
Show		21061+4448	ROE 45	BC	238	123.3	44
Show		21061+4448	ROE 45	BF	312	10.8	44
Show		21061+4448	ROE 45	DE	6	27.5	45
Show		21028+4551	BU 1138	AB	172	0.1	46
Show		21028+4551	BU 1138	AC	330	152.1	46
Show		21061+4448	ROE 45	AB	286	134.5	46
Show		21061+4448	ROE 45	AD	241	131.8	46
Show		20596+4432	LDS2477		285	8.0	48
Show		21028+4551	KUI 104	CD	85	2.7	48
Show		21028+4551	FYM 331	CF	39	11.9	48
Show		21028+4551	BU 1138	CE	249	23.6	48
Show		21028+4551	HLA 30	CG	148	7.3	48
Show		20579+4442	COU2649		143	0.6	52
Show		20578+4530	ES 676		293	7.6	53
Show		20579+4532	ES 677		160	5.8	53
Show		21062+4535	LDS2487		271	5.2	55
Show		20574+4451	LDS2472		254	1.7	55
Show		21018+4411	HO 600		98	2.1	55
Show		20583+4428	RBR 50		76	0.4	57
Show		20574+4443	LDS2473		119	15.7	58
Show		21067+4538	TDT2754		233	0.5	58
Show		21075+4515	HJ 1615		277	14.4	58
Show		21073+4440	A 881		218	4.3	60
Show		20566+4455	TRN 30		30	3.8	61
Show		21080+4504	SMA 126		18	8.9	62
Show		21071+4459	LDS2489		255	16.0	62
Show		21080+4500	TDT2774		173	1.8	62
Show		20578+4425	LDS2474		235	14.5	63
Show		20565+4452	LDS2470		306	13.5	64
Show		20565+4447	TOB 203		329	15.8	64
Show		21012+4609	STT 426	AB	159	2.9	65
Show		21012+4609	CIA 21	Aa,Ab	30	0.0	65
Show		20567+4439	BRT2283		339	6.0	66
Show		20563+4447	ES 675	AB	272	97.4	66
Show		20563+4447	ES 675	BC	108	3.7	68
Show		20558+4448	ES 674		94	5.6	71
Show		21079+4430	LDS2490		190	12.6	72
Show		21037+4616	TDT2719		220	2.0	72
Show		20556+4453	COU2648		21	1.3	72
Show		21051+4615	BRT1141		108	5.8	76
Show		20541+4507	STT 422		332	2.6	80
Show		20549+4451	LDS2466		287	4.8	80
Show		21044+4626	DAL 49		147	12.1	83
Show		21046+4627	BRT1140		207	4.6	85

WDS 21022+4506 : COMPONENTS

	A
B	pa=11.5° sep=11.86"

21022+4506 A

Componente originario normalizzato	AB		Coord arcsec 2000	210213.27+450600.4		Mag	17		PmRA	129.00
PmDE	91.0

21022+4506 B

Componente originario normalizzato	AB		Coord arcsec 2000	210213.49+450612.0		Mag	17.5		Calc delta mag	0.5
Calc coord	yes