20511+4459 LDS 2459

20^h 51^m 05.24^s +44° 59' 53.3" P.A. 228.00 sep 43.7 mag 14.50,20.00

Coord 2000	20511+4459	Discov num	LDS2459	Comp		Coord arcsec 2000	20 51 05.24 +44 59 53.3
Date first	1954	Date last	2010	Obs	3
Pa first	234	Pa last	227.6	P.A. Now (θ)	227.6°
Sep first	41.0	Sep last	43.68	Sep. Now (ρ)	43.68"
Mag pri	14.50	Mag sec	20.00	delta mag (ΔM)	5.5	Spectral class
Pri motion ra	-034	Sec motion ra
Pri motion dec	-031	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Gaia DR2

2163193852397994368

WDS 20511+4459 LDS 2459 : 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
20511+4459	LDS2459		2000	2	227	43.4	14.50	20.00		D	205105.24+445953.3
20511+4459	LDS2459		2010	3	228	43.8	14.50	20.00			205105.24+445953.3

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

WDS 20511+4459 LDS 2459 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20511+4459 LDS 2459 : MEASURES

No records found.

WDS 20511+4459 : VIRTUAL EYEPIECE

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WDS 20511+4459 : ALADIN DSS IMAGE @ 20^h 51^m 05.24^s +44° 59' 53.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20511+4459 LDS 2459 : 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		20511+4459	LDS2459		228	43.7
Show		20504+4518	SMA 121		32	11.6	10
Show		20494+4458	GRV 384		222	22.1	18
Show		20494+4452	TDS1103		200	0.8	20
Show		20514+4519	ARG 40		250	9.2	20
Show		20500+4521	ES 2702		348	8.6	24
Show		20521+4438	HER 18		85	60.7	25
Show		20504+4525	LDS5912		252	17.4	27
Show		20492+4525	COU2646		266	0.4	32
Show		20542+4508	LDS5915		43	18.0	34
Show		20490+4525	SMA 120		313	4.3	34
Show		20525+4430	BRT2279		5	4.5	34
Show		20538+4443	LDS5914		124	6.2	35
Show		20535+4523	HDS2975		191	0.2	35
Show		20485+4519	LDS2456		236	18.0	37
Show		20519+4537	SMA 122		262	7.4	39
Show		20509+4421	CHN 30	AB	92	2.7	39
Show		20509+4421	CHN 30	Aa,Ab	108	0.6	39
Show		20506+4421	CHN 29		52	5.3	40
Show		20541+4507	STT 422		332	2.6	40
Show		20549+4451	LDS2466		287	4.8	42
Show		20532+4423	LSC 94		183	0.3	44
Show		20489+4537	HDS2965		282	0.1	44
Show		20512+4415	CHN 31		47	6.7	45
Show		20556+4453	COU2648		21	1.3	49
Show		20527+4547	TDT2597		327	1.3	50
Show		20558+4448	ES 674		94	5.6	52
Show		20472+4427	COU2424		255	0.5	53
Show		20473+4535	HO 280		75	11.7	53
Show		20461+4452	ES 30		57	17.1	54
Show		20528+4551	COU2647		225	0.4	55
Show		20563+4447	ES 675	BC	108	3.7	56
Show		20459+4448	ES 2701		81	50.9	57
Show		20563+4447	ES 675	AB	272	97.4	57
Show		20565+4452	LDS2470		306	13.5	58
Show		20501+4404	STT 595	AB	48	55.4	58
Show		20501+4404	STG 9	AC	83	102.7	58
Show		20501+4404	FYM 92	AD	242	51.8	58
Show		20501+4404	FYM 92	AE	190	35.2	58
Show		20501+4404	FYM 92	AF	80	46.9	58
Show		20566+4455	TRN 30		30	3.8	59
Show		20565+4447	TOB 203		329	15.8	60
Show		20567+4439	BRT2283		339	6.0	64
Show		20574+4451	LDS2472		254	1.7	68
Show		20574+4443	LDS2473		119	15.7	68
Show		20527+4607	A 750		211	0.1	70
Show		20489+4607	HJ 1581		170	22.4	71
Show		20464+4551	CVR 230		7	112.9	72
Show		20461+4410	BRT2275		10	2.8	74
Show		20579+4442	COU2649		143	0.6	74
Show		20494+4613	ES 670		81	6.5	75

WDS 20511+4459 : COMPONENTS

	A
B	pa=217.8° sep=37.25"

20511+4459 A

Componente originario normalizzato	AB		Coord arcsec 2000	205105.24+445953.3		Mag	14.5		PmRA	-34.00
PmDE	-31.0

20511+4459 B

Componente originario normalizzato	AB		Coord arcsec 2000	205103.09+445923.8		Mag	20		Calc delta mag	5.5
Calc coord	yes