18417+6520 LDS 2748

18^h 41^m 43.17^s +65° 19' 47.4" P.A. 226.00 sep 50.5 mag 9.02,13.58 Sp A3

Coord 2000	18417+6520	Discov num	LDS2748	Comp		Coord arcsec 2000	18 41 43.17 +65 19 47.4
Date first	1964	Date last	2015	Obs	9
Pa first	227	Pa last	225.9	P.A. Now (θ)	225.9°
Sep first	50.0	Sep last	50.547	Sep. Now (ρ)	50.547"
Mag pri	9.02	Mag sec	13.58	delta mag (ΔM)	4.56	Spectral class	A3 (white)
Pri motion ra	-001	Sec motion ra	+002
Pri motion dec	+019	Sec motion dec	-006
Notes

rPM=1.323

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Draco		SAO	17982		Tycho2	4223-00090-1		Gaia DR2	2256878835851508864
HD	173662

WDS 18417+6520 LDS 2748 : NOTES

No records found.

DISCOVERER

idgroup	discov	author
1	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
18417+6520	LDS2748		1999	2	226	50.4	9.02	14.80	A3	D	184143.17+651947.4
18417+6520	LDS2748		2003	3	226	50.7	9.02	14.80	A3	D	184143.17+651947.4
18417+6520	LDS2748		2010	4	226	50.4	9.02	13.58	A3		184143.17+651947.4
18417+6520	LDS2748		2015	5	226	50.6	9.02	13.58	A3		184143.17+651947.4

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

WDS 18417+6520 LDS 2748 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 18417+6520 LDS 2748 : MEASURES

No records found.

WDS 18417+6520 : VIRTUAL EYEPIECE

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WDS 18417+6520 : ALADIN DSS IMAGE @ 18^h 41^m 43.17^s +65° 19' 47.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 18417+6520 LDS 2748 : 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		18417+6520	LDS2748		226	50.5	0
Show		18494+6528	ES 1912		21	7.6	49
Show		18430+6427	UC 3653		335	32.5	54
Show		18427+6618	TOI1825		208	3.0	59
Show		18426+6420	LDS2420		84	9.3	61
Show		18514+6514	STF2423		197	2.2	61
Show		18312+6526	KUI 86		44	23.0	66
Show		18396+6416	LDS2745		86	37.5	66
Show		18497+6429	LDS2422		94	75.9	71
Show		18335+6432	FAR 67	Aa,Ab	222	0.1	71
Show		18335+6432	FAR 67	AB	129	1.8	71
Show		18538+6509	MLB 215		193	3.4	73
Show		18409+6633	LDS2419		212	45.1	74
Show		18530+6501	DAM 126		236	9.6	74
Show		18532+6507	DAM 127		55	3.5	74
Show		18462+6412	HU 937		333	1.0	74
Show		18526+6556	LDS2423		359	11.1	77
Show		18482+6415	SLN 84		341	2.2	77
Show		18540+6522	DAM 680		117	15.7	77
Show		18418+6402	WIS 329		288	491.7	78
Show		18456+6404	ES 1840		216	9.1	80
Show		18510+6425	UC 3695		217	23.0	81
Show		18509+6425	TOI1749		37	23.1	81
Show		18312+6608	ES 1911		293	5.7	81
Show		18361+6405	MLB 214		124	2.0	82
Show		18338+6415	MLB 213		321	4.3	83
Show		18287+6506	HU 931	AB	82	0.5	83
Show		18287+6506	STF2343	AC	212	8.6	83
Show		18446+6649	MLB 286		290	3.8	92
Show		18393+6348	ES 126	BC	24	4.8	93
Show		18462+6351	STI 861		61	12.8	94
Show		18393+6348	ES 126	AB	52	72.4	94
Show		18393+6348	ES 126	AD	54	46.0	94
Show		18552+6432	HU 938		325	1.5	99
Show		18305+6412	MLR 62		8	1.0	99
Show	Fafnir	18260+6534	UC 3580		208	24.4	100
Show		18364+6655	TOK 323		116	181.1	101
Show		18377+6342	HU 933		2	0.9	102
Show		18381+6341	KPP2683		134	3.5	102
Show		18567+6440	TDT1141		167	0.4	103
Show		18252+6455	STF2332		260	11.6	104
Show		18554+6420	MLR 59		286	0.8	106
Show		18352+6342	STF2365		23	20.0	107
Show		18384+6708	STF2384	AB	307	0.4	110
Show		18384+6708	STF2384	AB,C	162	136.5	110
Show		18384+6332	STF2377	AB	338	16.9	110
Show		18384+6332	WAL 150	AC	351	94.9	110
Show		18593+6538	KPP1783		347	13.8	112
Show		18402+6326	MLR 44		116	0.4	113
Show		18329+6343	STF2357		271	4.7	113
Show		19003+6459	FMR 142		345	8.6	119

WDS 18417+6520 : COMPONENTS

	A
B	pa=203.3° sep=38.30"

18417+6520 A

Coord arcsec 2000	184143.17+651947.4	Mag	9.02	Spectral class	A3 (white)	PmRA	-1.00
PmDE	19.0	SAO	17982	Tycho2	4223-00090-1	HD	173662
DM	BD+65 1286

Tycho2

Tycho2	4223-00090-1	Pflag		RAmdeg	280.42989573	DEmdeg	65.32984009
PmRA	1.2	PmDE	19.6	E RAmdeg	8	E DEmdeg	9
E pmRA	1.3	E pmDE	1.3	EpRAm	1991.18	EpDEm	1990.92
Num	7	Q RAmdeg	1.4	Q DEmdeg	1.2	Q pmRA	1.5
Q pmDE	1.2	BTmag	9.288	E BTmag	0.018	VTmag	9.023
E VTmag	0.016	Prox	834	TYC	T	HIP
CCDM		RAdeg	280.42988972	DEdeg	65.32979472	EpRA 1990	1.80
EpDE 1990	1.74	E RAdeg	8.3	E DEdeg	9.0	Posflg
Corr	0.0

SAO

SAO	17982	DelFlag		RA1950		PmRA1950	-0.0015
DE1950		PmDE1950	0.029	Vmag	8.5	SpType	A3
Double code		Source	2	CatNum	904	DM	BD+65 1286
DMcomp		BDsup		HD	173662	M HD	0
GC		RA1950rad	4.89363178	DE1950rad	1.13933995	PmRA2000	-0.0007
PmDE2000	0.028

CCDM

Ccdm	18417+6520	RComp		Comp	A	Note1
Note2		Discov num		DRAs	0.96	DDEs	-13.1
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	9.2	Sp	A3	PmNote	*
PmRA	-15	PmDE	9	Dm number	+65 1286	Cat1	BD
Name2	+65 904	Cat2	AGK2/3	HD	173662	M HD
ADS BDS		M ADS BDS		N IDS		IDS	18415N6513A
HIC

18417+6520 B

Coord arcsec 2000	184140.75+651912.2		Mag	13.58		PmRA	2.00		PmDE	-6.0
Calc delta mag	4.56		Calc coord	yes

CCDM

Ccdm	18417+6520	RComp		Comp	B	Note1
Note2		Discov num	LDS2748	DRAs		DDEs
R dRAs		Year	1964	Theta	227	Rho	50.0
Obs	1	Vmag	15.0	Sp		PmNote
PmRA		PmDE		Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS	18415N6513B
HIC