20200+8306 LOC 454

20^h 20^m 00.35^s +83° 05' 35.8" P.A. 145.00 sep 7.8 mag 11.90,18.10

Coord 2000	20200+8306	Discov num	LOC 454	Comp		Coord arcsec 2000	20 20 00.35 +83 05 35.8
Date first	1999	Date last	2016	Obs	7
Pa first	146	Pa last	145.3	P.A. Now (θ)	145.3°
Sep first	7.8	Sep last	7.811	Sep. Now (ρ)	7.811"
Mag pri	11.90	Mag sec	18.10	delta mag (ΔM)	6.2	Spectral class
Pri motion ra	+097	Sec motion ra	+097
Pri motion dec	+194	Sec motion dec	+195
Notes	V (Proper motion indicates physical)

rPM=0.005 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Draco

Tycho2

4649-03358-1

WDS 20200+8306 LOC 454 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Loc2013	C -	Locatelli, G.	.
Loc2013		Il Bollettino Delle Stelle Doppie 7, 28, 2013
Loc2014	P -	Locatelli, G.	.
Loc2014	+E2	Il Bollettino Delle Stelle Doppie 8, 36, 2014
Loc2014b	C j	Locatelli, G.	.
Loc2014b		Il Bollettino Delle Stelle Doppie 9, 12, 2014
Loc2014c	C j	Locatelli, G.	.
Loc2014c	+E2	Il Bollettino Delle Stelle Doppie 11, 20, 2014
Loc2014c	+P
Loc2015a	C j	Locatelli, G.	.
Loc2015a	+E2	Il Bollettino Delle Stelle Doppie 12, 10, 2015
Loc2015a	+P
Loc2015b	C j	Locatelli, G.	.
Loc2015b		Il Bollettino Delle Stelle Doppie 13, 11, 2015
Loc2015c	-	Locatelli, G.	.
Loc2015c		Il Bollettino Delle Stelle Doppie 14, 16, 2015
Loc2016	C -	Locatelli, G.	.
Loc2016	+Pp	Il Bollettino Delle Stelle Doppie 16, 9, 2016
Loc2016b	C j	Locatelli, G.	.
Loc2016b		Il Bollettino Delle Stelle Doppie 17, 16, 2016
Loc2016c	C j	Sordiglioni, G., Mantero, A., Locatelli, G. & Galli, G.	.
Loc2016c		Il Bollettino Delle Stelle Doppie 17, 25, 2016
Loc2016d	C j	Locatelli, G.	.
Loc2016d		Il Bollettino Delle Stelle Doppie 19, 4, 2016
Loc2017a	C j	Locatelli, G.	.
Loc2017a		Il Bollettino Delle Stelle Doppie 20, 19, 2017
Loc2017b	C j	Locatelli, G.	2017OED....19...34L
Loc2017b		El Observador de Estrellas Dobles, Issue #19, 34, 2017
Loc2019	Hg j	Locatelli, G.	2019OED....22...27L
Loc2019		El Observador de Estrellas Dobles, Issue #22, 27, 2019
Loc2019b	Hg j	Locatelli, G.	2019OED....23...39L
Loc2019b		El Observador de Estrellas Dobles, Issue #23, 39, 2019
Loc2019b		Note: pairs already in WDS or WDSS not added.
Loc2019c	Hg j	Locatelli, G.	2019OED....23...63L
Loc2019c		El Observador de Estrellas Dobles, Issue #23, 63, 2019
Loc2019c		Note: pairs already in WDS or WDSS not added.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20200+8306	LOC 454		2015	4	145	7.8	11.90	18.10		V	202000.35+830535.8
20200+8306	LOC 454		2016	7	145	7.8	11.90	18.10		V	202000.35+830535.8

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

WDS 20200+8306 LOC 454 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20200+8306 LOC 454 : MEASURES

No records found.

WDS 20200+8306 : VIRTUAL EYEPIECE

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WDS 20200+8306 : ALADIN DSS IMAGE @ 20^h 20^m 00.35^s +83° 05' 35.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20200+8306 LOC 454 : 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		20200+8306	LOC 454		145	7.8
Show		20178+8314	LOC 442		74	1.5	10
Show		20277+8257	MLR 234		94	0.6	17
Show		20228+8334	TDT2220		59	0.4	29
Show		20345+8254	MLR 235		165	0.8	30
Show		20152+8335	UC 4127		43	42.7	31
Show		20077+8336	LOC 443		8	1.4	38
Show		20319+8350	LOC 456		266	1.1	49
Show		20167+8156	LOC 441		139	1.0	70
Show		20255+8152	LOC 452		150	1.1	75
Show		20108+8127	LOC 440		158	1.4	101
Show		20084+8127	HU 957		144	4.9	101
Show		20282+8125	BUP 211	AB	11	109.5	102
Show		20282+8125	STH 7	AC	282	196.6	102
Show		20015+8447	LOC 445		183	45.6	106
Show		20079+8454	UC 4092		163	45.7	111
Show		20094+8114	LOC 439		78	3.9	114
Show		20165+8109	STT 526		167	1.3	118
Show		20295+8105	BUP 212	BC	293	100.4	120
Show		20295+8105	STT 593	AB	36	214.4	122
Show		20086+8507	WSI 109	AB	175	0.1	124
Show		20086+8507	RAO 21	AC	71	1.2	124
Show		20040+8513	LOC 444	AB	296	20.0	130
Show		20214+8523	LOC 457		271	1.9	138
Show		20400+8048	LDS1937		312	6.7	144
Show		20032+8529	TDT1938		356	0.5	146
Show		20144+8032	STF2694		345	4.3	155
Show		20397+8030	HDS2946		143	0.2	162
Show		20376+8551	LOC 458		163	3.6	168
Show		20250+8559	LDS1934		10	64.2	175
Show		20372+8001	LDS1936		313	40.8	188
Show		20016+8625	LOC 448		341	2.0	201
Show		20248+8636	LDS1935		316	14.7	211
Show		20025+8635	LOC 446		333	2.3	211
Show		20236+8647	LOC 459		21	3.3	222
Show		20119+7847	LOC 437		230	34.9	260
Show		20195+7836	WFC 232		143	3.8	271
Show		20277+7828	KPP4200		166	1.7	278
Show		20156+7826	LOC 436		217	9.5	280
Show		20075+8747	LOC 449		307	1.4	282
Show		20291+7819	KPP1433		234	10.8	288
Show		20099+8756	LOC 447		307	7.2	291

WDS 20200+8306 : COMPONENTS

	A
B	pa=175.2° sep=6.44"

20200+8306 A

Componente originario normalizzato	AB		Coord arcsec 2000	202000.35+830535.8		Mag	11.9		PmRA	97.00
PmDE	194.0		Tycho2	4649-03358-1

Tycho2

Tycho2	4649-03358-1	Pflag		RAmdeg	304.99763020	DEmdeg	83.09243582
PmRA	98.1	PmDE	195.3	E RAmdeg	68	E DEmdeg	68
E pmRA	2.2	E pmDE	2.3	EpRAm	1979.77	EpDEm	1981.15
Num	3	Q RAmdeg	0.3	Q DEmdeg	0.5	Q pmRA	0.3
Q pmDE	0.5	BTmag	12.697	E BTmag	0.210	VTmag	11.838
E VTmag	0.139	Prox	684	TYC		HIP
CCDM		RAdeg	304.99573528	DEdeg	83.09198500	EpRA 1990	1.64
EpDE 1990	1.69	E RAdeg	73.4	E DEdeg	72.4	Posflg
Corr	-0.2

20200+8306 B

Componente originario normalizzato	AB		Coord arcsec 2000	202000.65+830529.4		Mag	18.1		PmRA	97.00
PmDE	195.0		Calc delta mag	6.2		Calc coord	yes