16542+6944 LDS 1858

16^h 54^m 12.88^s +69° 43' 07.2" P.A. 188.00 sep 3.7 mag 16.90,17.00

Coord 2000	16542+6944	Discov num	LDS1858	Comp		Coord arcsec 2000	16 54 12.88 +69 43 07.2
Date first	1966	Date last	2017	Obs	6
Pa first	179	Pa last	188	P.A. Now (θ)	188°
Sep first	2.0	Sep last	3.697	Sep. Now (ρ)	3.697"
Mag pri	16.90	Mag sec	17.00	delta mag (ΔM)	0.1	Spectral class
Pri motion ra	-191	Sec motion ra
Pri motion dec	+013	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Draco

Gaia DR2

1649231746192009728

WDS 16542+6944 LDS 1858 : 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
16542+6944	LDS1858		1966	1	179	2.0	16.90	17.00			165413.11+694304.8
16542+6944	LDS1858		2000	3	187	3.7	16.90	17.00			165413.11+694304.8
16542+6944	LDS1858		2015	3	187	3.7	16.90	17.00			165412.88+694307.2
16542+6944	LDS1858		2017	5	188	3.7	16.90	17.00			165412.88+694307.2

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WDS 16542+6944 LDS 1858 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16542+6944 LDS 1858 : MEASURES

No records found.

WDS 16542+6944 : VIRTUAL EYEPIECE

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WDS 16542+6944 : ALADIN DSS IMAGE @ 16^h 54^m 12.88^s +69° 43' 07.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16542+6944 LDS 1858 : 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		16542+6944	LDS1858		188	3.7
Show		16584+6935	WRH 25	AB	174	0.2	24
Show		16584+6935	WRH 25	AC	342	1.3	24
Show		17013+6937	HEI 245		297	1.4	38
Show		17013+6935	HEI 244		282	2.6	38
Show		17011+6929	SKF2731	AB	156	19.2	39
Show		16524+7030	LDS1857		1	33.3	48
Show		17036+6948	A 1146		104	0.3	50
Show		16479+6906	LDS1855		6	6.6	52
Show		16520+7034	TOK 309		111	455.0	52
Show		16493+6855	MLR 184		43	7.0	55
Show		16589+6851	LDS1859		173	6.7	59
Show		16461+6903	TDT 76		227	1.0	59
Show		16497+6844	WFC 180		122	4.8	64
Show		16542+6839	RAO 361		323	3.6	65
Show		16570+6835	TDS 845		131	1.6	70
Show		17071+6915	WFC 187		225	3.6	74
Show		17058+7034	LDS1860		78	101.2	78
Show		17089+6925	STF2129	AB	206	9.8	79
Show		17089+6925	UC 3298	AC	137	27.6	79
Show		16551+6824	TDS 844		156	1.0	80
Show		17012+6829	SKF2732		287	15.5	84
Show		16588+7106	STF2126		133	23.0	86
Show		16384+7020	STF2099		215	9.8	90
Show		16366+6948	BAZ 7	Da,Db	283	0.4	90
Show		17113+6930	STF2151		350	2.5	91
Show		16376+6919	CBL 160		125	99.2	91
Show		16366+6948	BU 953	AB	90	0.5	92
Show		16366+6948	BU 953	AB,C	148	75.2	92
Show		16366+6948	BU 953	AB,D	45	146.7	92
Show		16366+6948	ABH 86	AB,E	340	77.5	92
Show		16380+6910	HDS2353		202	0.3	92
Show		17060+7103	AG 352		238	1.5	100
Show		16545+6801	TDT 136		5	1.9	103
Show		16399+6833	AZC 175		29	20.9	104
Show		16487+6804	LDS2400		16	11.8	104
Show		17010+6807	MLR 199	AB	76	19.2	105
Show		17010+6807	WSI 35	AD	84	7.0	105
Show		17010+6807	MLR 199	BC	39	2.8	105
Show		16349+7019	LDS1848		207	1.7	106
Show		17086+7100	TOB 136		261	21.8	106
Show		16519+6755	HEI 386		172	0.1	109
Show		17142+6904	UC 225		341	51.4	113
Show		16428+7122	HDS2373		181	0.2	115
Show		16488+6752	MLR 183		27	0.7	115
Show		16392+6819	YSC 113		333	0.8	117
Show		16521+6746	MLR 185		294	0.4	118
Show		17098+6821	LDS1438	AB	92	28.4	119
Show		17098+6821	WIS 311	AC	345	166.9	119
Show		16563+6742	LDS2404		283	54.0	122
Show		16545+7145	TDS 842		25	1.6	123

WDS 16542+6944 : COMPONENTS

	A
B	pa=182.8° sep=3.67"

16542+6944 A

Componente originario normalizzato	AB		Coord arcsec 2000	165412.88+694307.2		Mag	16.9		PmRA	-191.00
PmDE	13.0

16542+6944 B

Componente originario normalizzato	AB		Coord arcsec 2000	165412.85+694303.5		Mag	17		Calc delta mag	0.1
Calc coord	yes