16520+6658 LDS 2401

16^h 51^m 55.92^s +66° 57' 50.9" P.A. 340.00 sep 9.3 mag 17.70,18.00

Coord 2000	16520+6658	Discov num	LDS2401	Comp		Coord arcsec 2000	16 51 55.92 +66 57 50.9
Date first	1955	Date last	2016	Obs	10
Pa first	345	Pa last	339.8	P.A. Now (θ)	339.8°
Sep first	8.5	Sep last	9.329	Sep. Now (ρ)	9.329"
Mag pri	17.70	Mag sec	18.00	delta mag (ΔM)	0.3	Spectral class
Pri motion ra	+011	Sec motion ra
Pri motion dec	+049	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Draco

Gaia DR2

1636567914860776064

WDS 16520+6658 LDS 2401 : 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
16520+6658	LDS2401		1999	2	340	9.3	17.70	18.00		D	165155.92+665750.9
16520+6658	LDS2401		2010	3	340	9.1	17.70	18.00			165155.92+665750.9
16520+6658	LDS2401		2015	4	340	9.3	17.70	18.00			165155.92+665750.9
16520+6658	LDS2401		2016	10	340	9.3	17.70	18.00			165155.92+665750.9

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WDS 16520+6658 LDS 2401 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16520+6658 LDS 2401 : MEASURES

No records found.

WDS 16520+6658 : VIRTUAL EYEPIECE

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WDS 16520+6658 : ALADIN DSS IMAGE @ 16^h 51^m 55.92^s +66° 57' 50.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16520+6658 LDS 2401 : 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		16520+6658	LDS2401		340	9.3
Show		16515+6712	TDT 118		223	0.5	15
Show		16499+6728	KPP3310		136	1.8	32
Show		16448+6647	AG 206		155	6.3	44
Show		16521+6746	MLR 185		294	0.4	49
Show		16563+6742	LDS2404		283	54.0	51
Show		16519+6755	HEI 386		172	0.1	58
Show		16488+6752	MLR 183		27	0.7	58
Show		16545+6801	TDT 136		5	1.9	65
Show		16487+6804	LDS2400		16	11.8	69
Show		16397+6738	UC 3201		150	15.9	82
Show		17010+6807	MLR 199	AB	76	19.2	86
Show		17010+6807	WSI 35	AD	84	7.0	86
Show		17010+6807	MLR 199	BC	39	2.8	86
Show		16551+6824	TDS 844		156	1.0	89
Show		16366+6651	TDT 2		79	0.6	91
Show		16357+6716	MLR 181		285	1.4	97
Show		16542+6839	RAO 361		323	3.6	102
Show		16570+6835	TDS 845		131	1.6	102
Show		16384+6808	UC 3196		164	30.6	105
Show		17012+6829	SKF2732		287	15.5	106
Show		17057+6552	SKF2609		273	13.4	107
Show		16497+6844	WFC 180		122	4.8	108
Show		16392+6819	YSC 113		333	0.8	109
Show		16593+6513	STF2124		87	14.7	115
Show		17115+6646	SKF2664		29	2.3	116
Show		16399+6833	AZC 175		29	20.9	117
Show		16493+6855	MLR 184		43	7.0	119
Show		16564+6502	STF2118	AB	65	0.9	119
Show		16564+6502	D 30	AC	337	374.7	119
Show		16589+6851	LDS1859		173	6.7	120
Show		16329+6756	LDS2389		117	72.0	125
Show	Aldhibah	17088+6543	STA 1		33	0.1	127
Show		17100+6812	MLR 200		270	1.2	128
Show		16472+6454	MLR 61		304	1.5	128
Show		16479+6906	LDS1855		6	6.6	129
Show		16461+6903	TDT 76		227	1.0	130
Show		17098+6821	LDS1438	AB	92	28.4	132
Show		17098+6821	WIS 311	AC	345	166.9	132
Show		16380+6910	HDS2353		202	0.3	154
Show		17023+6436	TOI1487		46	0.1	156
Show		17011+6929	SKF2731	AB	156	19.2	160
Show		17054+6440	CVR1691		217	4.2	161
Show		17071+6915	WFC 187		225	3.6	161
Show		16584+6935	WRH 25	AB	174	0.2	162
Show		16584+6935	WRH 25	AC	342	1.3	162
Show		16376+6919	CBL 160		125	99.2	163
Show		17062+6438	GIC 146		95	455.1	166
Show		17013+6935	HEI 244		282	2.6	166
Show		16542+6944	LDS1858		188	3.7	166
Show		17013+6937	HEI 245		297	1.4	168

WDS 16520+6658 : COMPONENTS

	A
B	pa=351.8° sep=8.85"

16520+6658 A

Componente originario normalizzato	AB		Coord arcsec 2000	165155.92+665750.9		Mag	17.7		PmRA	11.00
PmDE	49.0

16520+6658 B

Componente originario normalizzato	AB		Coord arcsec 2000	165155.71+665759.7		Mag	18		Calc delta mag	0.3
Calc coord	yes