20186+7314 LDS 1931

20^h 18^m 33.17^s +73° 14' 49.5" P.A. 85.00 sep 21.4 mag 14.30,17.50

Coord 2000	20186+7314	Discov num	LDS1931	Comp		Coord arcsec 2000	20 18 33.17 +73 14 49.5
Date first	1962	Date last	2016	Obs	10
Pa first	93	Pa last	84.7	P.A. Now (θ)	84.7°
Sep first	21.0	Sep last	21.394	Sep. Now (ρ)	21.394"
Mag pri	14.30	Mag sec	17.50	delta mag (ΔM)	3.2	Spectral class
Pri motion ra	-086	Sec motion ra
Pri motion dec	+178	Sec motion dec
Notes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Draco

Gaia DR2

2275918219716176000

WDS 20186+7314 LDS 1931 : 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
20186+7314	LDS1931		2000	2	85	21.4	14.30	17.50		D	201833.17+731449.5
20186+7314	LDS1931		2010	3	85	21.4	14.30	17.50			201833.17+731449.5
20186+7314	LDS1931		2015	4	85	21.4	14.30	17.50			201833.17+731449.5
20186+7314	LDS1931		2016	10	85	21.4	14.30	17.50			201833.17+731449.5

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WDS 20186+7314 LDS 1931 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20186+7314 LDS 1931 : MEASURES

No records found.

WDS 20186+7314 : VIRTUAL EYEPIECE

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WDS 20186+7314 : ALADIN DSS IMAGE @ 20^h 18^m 33.17^s +73° 14' 49.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20186+7314 LDS 1931 : 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		20186+7314	LDS1931		85	21.4	1
Show		20157+7307	UC 4128		228	26.2	15
Show		20217+7345	A 870		196	0.1	33
Show		20219+7347	HDS2909		238	0.7	36
Show		20282+7333	MLR 233		88	1.2	46
Show		20274+7245	A 871		184	0.3	50
Show		20048+7300	A 867		151	1.0	62
Show		20038+7302	CRB 207		315	18.5	66
Show		20339+7229	LDS1933		175	7.0	82
Show		20139+7434	YSC 162		114	0.3	82
Show		20065+7157	TDT1983		112	0.5	95
Show		20107+7132	MLB 416		161	6.7	110
Show		20192+7124	MLB 419		314	2.0	111
Show		20016+7131	TDT1918		191	0.7	130
Show		20272+7522	TDT2285		154	0.6	132
Show		20156+7051	MLB 418		14	2.4	145
Show		20380+7119	MLB 420		276	3.6	146
Show		20086+7047	LDS1927		220	3.9	157
Show		20374+7536	HEI 7		231	0.7	161
Show		20201+7605	A 869		269	2.1	171
Show		20094+7602	TDT2030		178	0.5	172
Show		20118+7614	MLR 232		166	2.6	182
Show		20353+7030	A 873		68	0.3	182
Show		20160+7013	MLB 360		202	2.5	183
Show		20109+7616	LDS1929		14	15.4	185
Show		20016+7027	A 865		89	2.6	186
Show		20284+7015	MLB 362		26	5.4	186
Show		20354+7619	OSW 17		198	65.6	196
Show		20304+7634	TDT2327		320	0.6	204
Show		20335+7002	TDT2370		148	0.7	206
Show		20248+7641	TDT2248		243	0.4	208
Show		20066+7639	SKF2804		345	19.0	210
Show		19591+7630	HU 956	AB	88	0.9	210
Show		19591+7630	HU 956	AC	132	138.9	210
Show		20066+7643	TDT1986		138	0.7	214
Show		20171+6943	LDS1930		292	51.8	214
Show		20159+7649	LOC 432		343	4.1	215
Show		20026+6952	SKF1243		187	46.0	217
Show		20095+7651	SKF2805		347	158.7	217
Show		20243+6927	LDS2452		157	6.9	229
Show		20049+6926	HDS2863	AB	3	0.9	239
Show		20100+7711	PLT 8		78	24.2	239
Show		20089+7715	LDS1928	AB	166	5.4	243
Show		20006+7709	LOC 434		176	2.1	245
Show		20020+6922	MLB 293		91	4.8	246
Show		20077+7718	OL 122		203	2.5	248
Show		20118+7730	LOC 433		132	1.7	257
Show		20089+7743	STF2675	AB	120	7.3	271
Show		20089+7743	STF2675	AC	334	170.2	271
Show		20273+6846	HDS2925		91	0.7	273
Show		20323+7753	LOC 450		293	3.2	283

WDS 20186+7314 : COMPONENTS

	A
B	pa=72.2° sep=6.45"

20186+7314 A

Componente originario normalizzato	AB		Coord arcsec 2000	201833.17+731449.5		Mag	14.3		PmRA	-86.00
PmDE	178.0

20186+7314 B

Componente originario normalizzato	AB		Coord arcsec 2000	201834.59+731451.5		Mag	17.5		Calc delta mag	3.2
Calc coord	yes