20491+7818 LOC 463

20^h 49^m 06.53^s +78° 17' 40.7" P.A. 193.00 sep 1.2 mag 17.20,17.50

Coord 2000	20491+7818	Discov num	LOC 463	Comp		Coord arcsec 2000	20 49 06.53 +78 17 40.7
Date first	2015	Date last	2016	Obs	2
Pa first	193	Pa last	192.7	P.A. Now (θ)	192.7°
Sep first	1.2	Sep last	1.205	Sep. Now (ρ)	1.205"
Mag pri	17.20	Mag sec	17.50	delta mag (ΔM)	0.3	Spectral class
Pri motion ra	+057	Sec motion ra	+058
Pri motion dec	+023	Sec motion dec	+023
Notes	V (Proper motion indicates physical)

rPM=0.016 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cepheus

WDS 20491+7818 LOC 463 : 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
20491+7818	LOC 463		2015	1	193	1.2	17.20	17.50		V	204906.53+781740.7
20491+7818	LOC 463		2016	2	193	1.2	17.20	17.50		V	204906.53+781740.7

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

WDS 20491+7818 LOC 463 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20491+7818 LOC 463 : MEASURES

No records found.

WDS 20491+7818 : VIRTUAL EYEPIECE

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WDS 20491+7818 : ALADIN DSS IMAGE @ 20^h 49^m 06.53^s +78° 17' 40.7"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20491+7818 LOC 463 : 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		20491+7818	LOC 463		193	1.2
Show		20592+7823	CON 38		237	2.5	32
Show		20499+7900	LOC 464		336	2.1	43
Show		21037+7827	KPP4222		264	2.0	45
Show		20460+7907	MLR 237	AB	118	3.1	51
Show		21021+7855	LOC 477		275	3.4	54
Show		20323+7753	LOC 450		293	3.2	58
Show		20423+7915	SKF1247		338	17.3	61
Show		21089+7752	LOC 476		53	1.2	67
Show		21010+7919	MLR 244		188	2.5	71
Show		20530+7932	TDT2601		350	2.5	75
Show		20512+7656	SLW1227		136	10.1	82
Show		20546+7653	LOC 460		81	6.6	87
Show		21087+7718	LOC 475		324	5.3	87
Show		20557+7648	UC 4331		35	15.6	92
Show		20496+8000	TDT2564		256	1.1	102
Show		21066+7648	LOC 473		147	3.6	107
Show		20372+8001	LDS1936		313	40.8	110
Show		20554+8011	LDS1943		314	15.8	116
Show		20477+8016	SKF1250		333	4.3	119
Show		20304+7634	TDT2327		320	0.6	121
Show		20354+7619	OSW 17		198	65.6	127
Show		21067+7623	KPP1325		281	10.0	129
Show		20562+7611	UC 4336		300	22.3	130
Show		20397+8030	HDS2946		143	0.2	135
Show		21070+8030	LOC 479		209	3.5	142
Show		21040+7604	SLW1229		1	16.6	143
Show		20415+8042	LOC 466		26	1.2	146
Show		20550+7547	LDS1942		346	2.7	152
Show		20565+8049	UC 4338		91	12.9	153
Show		20400+8048	LDS1937		312	6.7	153
Show		21066+8048	TOK 632		53	999.9	158
Show		20374+7536	HEI 7		231	0.7	167
Show		20454+8105	LDS1938		321	18.2	168
Show		20295+8105	STT 593	AB	36	214.4	176
Show		20295+8105	BUP 212	BC	293	100.4	178
Show		20485+7517	LDS1940		133	10.0	180
Show		20472+8117	TDT2537		209	1.0	180
Show		20465+8118	KPP4213		148	5.2	181
Show		21060+8121	PKO 31		119	9.6	189
Show		21060+8134	LOC 480		285	3.1	202
Show		20500+7455	VKI 38		297	2.8	203
Show		21057+7501	TDT2739		1	2.0	205
Show		20593+7455	A 878		48	2.9	206
Show		20520+8158	TDT2588		293	0.7	221
Show		20485+7429	MLR 238		20	0.2	229
Show		20449+8206	LOC 467		231	22.7	229
Show		21002+7432	CBL 530		285	48.6	229
Show		20546+8210	LOC 468		320	5.5	233
Show		20573+8219	LOC 470		263	3.1	242
Show		20597+7417	A 879		138	4.4	244

WDS 20491+7818 : COMPONENTS

	A
B	pa=182.6° sep=1.18"

20491+7818 A

Componente originario normalizzato	AB		Coord arcsec 2000	204906.53+781740.7		Mag	17.2		PmRA	57.00
PmDE	23.0

20491+7818 B

Componente originario normalizzato	AB		Coord arcsec 2000	204906.51+781739.5		Mag	17.5		PmRA	58.00
PmDE	23.0		Calc delta mag	0.3		Calc coord	yes