16524+7030 LDS 1857

16^h 52^m 20.59^s +70° 29' 59.7" P.A. 1.00 sep 33.3 mag 12.20,16.70

Coord 2000	16524+7030	Discov num	LDS1857	Comp		Coord arcsec 2000	16 52 20.59 +70 29 59.7
Date first	1966	Date last	2016	Obs	21
Pa first	1	Pa last	0.5	P.A. Now (θ)	0.5°
Sep first	34.0	Sep last	33.313	Sep. Now (ρ)	33.313"
Mag pri	12.20	Mag sec	16.70	delta mag (ΔM)	4.5	Spectral class
Pri motion ra	-252	Sec motion ra
Pri motion dec	+124	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Draco

Tycho2

4423-02006-1

Gaia DR2

1650170145006398208

WDS 16524+7030 LDS 1857 : 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
16524+7030	LDS1857		1999	2	1	33.3	12.20	16.70		D	165220.59+702959.7
16524+7030	LDS1857		2010	3	1	33.3	12.20	16.70			165220.59+702959.7
16524+7030	LDS1857		2015	4	1	33.3	12.20	16.70			165220.59+702959.7
16524+7030	LDS1857		2016	21	1	33.3	12.20	16.70			165220.59+702959.7

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

WDS 16524+7030 LDS 1857 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 16524+7030 LDS 1857 : MEASURES

No records found.

WDS 16524+7030 : VIRTUAL EYEPIECE

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WDS 16524+7030 : ALADIN DSS IMAGE @ 16^h 52^m 20.59^s +70° 29' 59.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 16524+7030 LDS 1857 : 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		16524+7030	LDS1857		1	33.3
Show		16520+7034	TOK 309		111	455.0	5
Show		16542+6944	LDS1858		188	3.7	48
Show		16588+7106	STF2126		133	23.0	48
Show		16584+6935	WRH 25	AB	174	0.2	64
Show		16584+6935	WRH 25	AC	342	1.3	64
Show		17058+7034	LDS1860		78	101.2	67
Show		16428+7122	HDS2373		181	0.2	70
Show		17013+6937	HEI 245		297	1.4	71
Show		16384+7020	STF2099		215	9.8	71
Show		17036+6948	A 1146		104	0.3	72
Show		17013+6935	HEI 244		282	2.6	72
Show		17060+7103	AG 352		238	1.5	76
Show		17011+6929	SKF2731	AB	156	19.2	76
Show		16545+7145	TDS 842		25	1.6	76
Show		16446+7145	MLR 182	Aa,Ab	94	0.3	85
Show		16446+7145	UC 3219	AB	113	27.7	85
Show		17086+7100	TOB 136		261	21.8	86
Show		16366+6948	BAZ 7	Da,Db	283	0.4	89
Show		16349+7019	LDS1848		207	1.7	89
Show		16479+6906	LDS1855		6	6.6	89
Show		16366+6948	BU 953	AB	90	0.5	91
Show		16366+6948	BU 953	AB,C	148	75.2	91
Show		16366+6948	BU 953	AB,D	45	146.7	91
Show		16366+6948	ABH 86	AB,E	340	77.5	91
Show		16461+6903	TDT 76		227	1.0	93
Show		16529+7203	NSN 685		138	10.1	94
Show		16493+6855	MLR 184		43	7.0	96
Show		16473+7208	CRB 196		189	50.2	101
Show		16376+6919	CBL 160		125	99.2	104
Show		16589+6851	LDS1859		173	6.7	106
Show		16497+6844	WFC 180		122	4.8	107
Show		17071+6915	WFC 187		225	3.6	107
Show		17089+6925	STF2129	AB	206	9.8	107
Show		17089+6925	UC 3298	AC	137	27.6	107
Show		16380+6910	HDS2353		202	0.3	110
Show		16542+6839	RAO 361		323	3.6	112
Show		17113+6930	STF2151		350	2.5	115
Show		16570+6835	TDS 845		131	1.6	118
Show		16343+7156	TVB 285		300	24.5	123
Show		16339+7159	HDS2342		265	0.3	126
Show		16551+6824	TDS 844		156	1.0	127
Show		17012+6829	SKF2732		287	15.5	130
Show		16399+6833	AZC 175		29	20.9	135
Show		16487+6804	LDS2400		16	11.8	148
Show		16392+6819	YSC 113		333	0.8	148
Show		16545+6801	TDT 136		5	1.9	150
Show		17010+6807	MLR 199	AB	76	19.2	152
Show		17010+6807	WSI 35	AD	84	7.0	152
Show		17010+6807	MLR 199	BC	39	2.8	152
Show		16519+6755	HEI 386		172	0.1	156

WDS 16524+7030 : COMPONENTS

	A
B	pa=0.2° sep=33.31"

16524+7030 A

Componente originario normalizzato	AB		Coord arcsec 2000	165220.59+702959.7		Mag	12.2		PmRA	-252.00
PmDE	124.0		Tycho2	4423-02006-1

Tycho2

Tycho2	4423-02006-1	Pflag		RAmdeg	253.08584334	DEmdeg	70.49992711
PmRA	-96.1	PmDE	129.5	E RAmdeg	94	E DEmdeg	99
E pmRA	2.6	E pmDE	2.7	EpRAm	1974.96	EpDEm	1973.92
Num	3	Q RAmdeg	1.9	Q DEmdeg	0.9	Q pmRA	1.9
Q pmDE	0.9	BTmag	13.501	E BTmag	0.360	VTmag	12.196
E VTmag	0.189	Prox	999	TYC		HIP
CCDM		RAdeg	253.08649972	DEdeg	70.49962861	EpRA 1990	1.77
EpDE 1990	1.69	E RAdeg	103.8	E DEdeg	109.8	Posflg
Corr	0.0

16524+7030 B

Componente originario normalizzato	AB		Coord arcsec 2000	165220.61+703033.0		Mag	16.7		Calc delta mag	4.5
Calc coord	yes