20539+2856 GRV 392

20^h 53^m 56.38^s +28° 56' 03.9" P.A. 3.00 sep 33.8 mag 11.05,12.51

Coord 2000	20539+2856	Discov num	GRV 392	Comp		Coord arcsec 2000	20 53 56.38 +28 56 03.9
Date first	1907	Date last	2016	Obs	11
Pa first	4	Pa last	3	P.A. Now (θ)	3°
Sep first	34.3	Sep last	33.84	Sep. Now (ρ)	33.84"
Mag pri	11.05	Mag sec	12.51	delta mag (ΔM)	1.46	Spectral class
Pri motion ra	-028	Sec motion ra	-027
Pri motion dec	-028	Sec motion dec	-027
Notes	V (Proper motion indicates physical)

rPM=0.036 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Tycho2

2183-02320-1

Gaia DR2

1858317969716465536

WDS 20539+2856 GRV 392 : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
Grv2004	Eu -	Greaves, J.	2004MNRAS.355..585G
Grv2004		MNRAS 355, 585, 2004
Grv2005a	Es -	Greaves, J.	...................
Grv2005a	+C	Webb Soc., Double Star Circ. 13, 2005 (GRV 973 - 1147)
Grv2005a		(Note: RA for all WDS designations inadvertently truncated to integer minute)
Grv2005b	Pa -	Greaves, J.	...................
Grv2005b		private communication
Grv2005c	C -	Greaves, J.	2005JDSO....1...41G
Grv2005c		JDSO 1, 41, 2005
Grv2006	-	Greaves, J.	...................
Grv2006		private communication, 2006
Grv2006		(measures done using LSPM-north, see Vizier On-line Data Catalog I/298;
Grv2006		Lepine & Shara 2005)
Grv2006b	Es -	Greaves, J.	...................
Grv2006b		private Communication, 2006
Grv2006b		(Reduction of SDSS data. Calculated position is to J2000, but actual observation
Grv2006b		epoch is unknown and proper motion may or may not have been applied.)
Grv2006c	Ey -	Greaves, J.	...................
Grv2006c		private Communication, 2006
Grv2006c		(Reduction of SPM3.3 data. Calculated position is to 1991.25, but actual
Grv2006c		observation epoch is unknown and proper motion may or may not have been applied.)
Grv2008	Es -	Greaves, J.	...................
Grv2008		Webb Soc., Double Star Circ. 16, 2008
Grv2011	C -	Greaves, J.	...................
Grv2011		Webb Soc., Double Star Circ. 19, 2011
Grv2011		These carry a discovery designation of SPM and come from the SPM4 Catalog	2011AJ....142...15G
Grv2019a	Hg u	Greaves, J.	2019JDSO...15...59G
Grv2019a		JDSO 15, 59, 2019
Grv2019b	Hg u	Greaves, J.	2019JDSO...15...77G
Grv2019b		JDSO 15, 59, 2019
Grv2019c	Hg u	Greaves, J.	...................
Grv2019c		private communication, 2019 (17 April 2019 email)
Grv2019d	Hg -	Greaves, J.	.
Grv2019d		private communication, 2019 (4 Nov 2019 email)
Grv2020a	not -	Greaves, J.	.
Grv2020a		private communication, 2020 (14 Mar 2020 email)
Grv2020b	Hg j	Greaves, J.	.
Grv2020b		Webb Soc., Double Star Circ. 28, 23, 2020
Grv2020c	Hg j	Greaves, J.	.
Grv2020c		Webb Soc., Double Star Circ. 28, 35, 2020
Grv2020d	Hg j	Greaves, J.	.
Grv2020d		Webb Soc., Double Star Circ. 28, 39, 2020
Grv2020e	Hg u	Greaves, J.	2020JDSO...16..317G
Grv2020e		JDSO 16, 317, 2020
Grv2020f	Hg	Greaves, J.	2020JDSO...16..362G
Grv2020f		JDSO 16, 362, 2020
Grv2020g	Hg -	Greaves, J.	.
Grv2020g		private communication, 2020 (29 Nov 2020 email)
Grv2020h	Hg -	Greaves, J.	.
Grv2020h		private communication, 2020 (10 Dec 2020 email)
Grv2020i	Hg -	Greaves, J.	.
Grv2020i		private communication, 2020 (12 Dec 2020 email)
Grv2020j	Hg -	Greaves, J.	.
Grv2020j		private communication, 2020 (21 Dec 2020 email)
Grv2021a	not -	Greaves, J.	.
Grv2021a		private communication, 2021 (18 Feb 2021 email)
Grv2021b	not -	Greaves, J.	.
Grv2021b		private communication, 2021 (23 Feb 2021 email)
Grv2021c	Hg+ -	Greaves, J., Rica Romero, F.M. & Otero, S.	2021JDSO...17..137G
Grv2021c	+orb	JDSO 17, 137, 2021
Grv2021d	Hg -	Greaves, J.	.
Grv2021d		private communication, 2021 (23 Aug 2021 email)
Grv2021e	Hg -	Greaves, J.	.
Grv2021e		private communication, 2021 (24 Aug 2021 email)
Grv2022	Hg j	Greaves, J. .
Grv2022		Webb Soc., Double Star Circ. 30, 27, 2022
Grv2023a	Hg -	Greaves, J.	.
Grv2023a		private communication, 2023 (15 Feb 2023 email)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20539+2856	GRV 392		2000	4	3	33.9	11.05	12.51		D	205356.38+285603.9
20539+2856	GRV 392		2002	5	3	33.8	11.05	12.51		D	205356.38+285603.9
20539+2856	GRV 392		2010	5	3	33.8	11.05	12.51			205356.38+285603.9
20539+2856	GRV 392		2015	6	3	33.8	11.05	12.51			205356.38+285603.9
20539+2856	GRV 392		2016	11	3	33.8	11.05	12.51		V	205356.38+285603.9

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WDS 20539+2856 GRV 392 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20539+2856 GRV 392 : MEASURES

No records found.

WDS 20539+2856 : VIRTUAL EYEPIECE

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WDS 20539+2856 : ALADIN DSS IMAGE @ 20^h 53^m 56.38^s +28° 56' 03.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20539+2856 GRV 392 : 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		20539+2856	GRV 392		3	33.8
Show		20531+2856	MLB 535		2	7.1	11
Show		20531+2909	STT 417	AB	27	0.9	18
Show		20531+2909	STT 417	AB,C	108	30.8	18
Show		20556+2845	BRT 53		25	2.6	27
Show		20529+2920	BOW9002	AB	354	9.9	28
Show		20529+2920	DAM 295	AC	37	22.2	28
Show		20523+2839	BRT 52		87	8.8	28
Show		20522+2917	KU 129	AB	103	15.1	31
Show		20522+2917	KU 129	AC	39	46.1	31
Show		20565+2910	MLB 485	AB	154	4.5	37
Show		20562+2826	GRV 397		339	58.2	43
Show		20572+2921	J 794		134	3.2	50
Show		20562+2816	MLB 615		200	3.6	50
Show		20551+2808	COU 831		289	1.3	51
Show		20537+2803	HJ 1589		325	11.3	53
Show		20550+2805	BU 367	AB	224	0.1	53
Show		20550+2805	A 3109	AB,E	51	49.2	53
Show		20550+2805	BU 367	AB,C	358	38.0	53
Show		20550+2805	BU 367	AB,D	67	19.6	53
Show		20501+2923	BAG 28	AB	332	1.0	57
Show		20501+2923	HLA 29	AC	336	6.9	57
Show		20559+2804	MLB 614		75	8.7	58
Show		20581+2917	HO 598		125	16.2	59
Show		20494+2840	CBL 86		317	53.7	62
Show		20497+2825	MLB 534		134	5.3	63
Show		20492+2911	TDT2561		5	3.5	64
Show		20563+2954	J 1779		246	2.5	66
Show		20535+2751	MLB 572		298	1.7	66
Show		20496+2819	GRV 385		40	51.0	67
Show		20579+2940	MLB 573	AB	57	5.7	69
Show		20579+2940	MLB 573	AC	232	23.7	69
Show		20519+3002	TDT2587		349	1.0	72
Show		20576+2802	HJ 1599		225	13.5	73
Show		20490+2932	BRT 51	AB	355	6.9	75
Show		20490+2932	BRT 51	AC	37	5.1	75
Show		20490+2932	BRT 51	BC	128	4.6	75
Show		20590+2929	J 3119		140	8.4	77
Show		20543+2740	TDT2619		312	0.5	77
Show		20483+2832	GRV 382		39	64.3	78
Show		20549+2740	TDT2627		79	1.1	78
Show		20489+2939	TDT2559		176	0.5	79
Show		20576+3003	J 2333	AB	328	7.7	81
Show		20576+3003	DAM 669	AC	244	4.4	81
Show		20545+2736	MLB 714		202	4.3	81
Show		20578+3002	J 2334		16	5.1	81
Show		20487+2943	TDT2556		280	0.8	84
Show		20579+3002	TDT2662		100	1.5	84
Show		20560+2735	HO 460	AB	112	13.3	87
Show		20560+2735	HO 460	AC	257	37.7	87
Show		20493+2957	TDS1102		19	1.1	87

WDS 20539+2856 : COMPONENTS

	A
B	pa=2.6° sep=33.83"

20539+2856 A

Componente originario normalizzato	AB		Coord arcsec 2000	205356.38+285603.9		Mag	11.05		PmRA	-28.00
PmDE	-28.0		Tycho2	2183-02320-1

Tycho2

Tycho2	2183-02320-1	Pflag		RAmdeg	313.48493690	DEmdeg	28.93442085
PmRA	-24.7	PmDE	-28.1	E RAmdeg	49	E DEmdeg	55
E pmRA	2.4	E pmDE	2.4	EpRAm	1987.05	EpDEm	1985.47
Num	3	Q RAmdeg	0.4	Q DEmdeg	0.3	Q pmRA	0.4
Q pmDE	0.3	BTmag	11.876	E BTmag	0.098	VTmag	11.049
E VTmag	0.076	Prox	336	TYC	T	HIP
CCDM		RAdeg	313.48500167	DEdeg	28.93448611	EpRA 1990	1.73
EpDE 1990	1.68	E RAdeg	50.4	E DEdeg	56.9	Posflg
Corr	-0.1

20539+2856 B

Componente originario normalizzato	AB		Coord arcsec 2000	205356.50+285637.7		Mag	12.51		PmRA	-27.00
PmDE	-27.0		Tycho2	2183-00064-1		Calc delta mag	1.46		Calc coord	yes

Tycho2

Tycho2	2183-00064-1	Pflag		RAmdeg	313.48543393	DEmdeg	28.94372543
PmRA	-32.3	PmDE	-35.5	E RAmdeg	95	E DEmdeg	104
E pmRA	3.9	E pmDE	3.9	EpRAm	1984.08	EpDEm	1982.31
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	12.639	E BTmag	0.227	VTmag	12.510
E VTmag	0.241	Prox	336	TYC		HIP
CCDM		RAdeg	313.48551861	DEdeg	28.94380778	EpRA 1990	1.70
EpDE 1990	1.66	E RAdeg	99.5	E DEdeg	110.4	Posflg
Corr	-0.1