20256+2244 GRV 339

20^h 25^m 36.90^s +22° 44' 22.5" P.A. 312.00 sep 15.5 mag 11.60,12.90

Coord 2000	20256+2244	Discov num	GRV 339	Comp		Coord arcsec 2000	20 25 36.90 +22 44 22.5
Date first	1999	Date last	2016	Obs	10
Pa first	312	Pa last	312.2	P.A. Now (θ)	312.2°
Sep first	15.5	Sep last	15.467	Sep. Now (ρ)	15.467"
Mag pri	11.60	Mag sec	12.90	delta mag (ΔM)	1.3	Spectral class
Pri motion ra	-010	Sec motion ra	-010
Pri motion dec	-033	Sec motion dec	-033
Notes	V (Proper motion indicates physical)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Gaia DR2

1830799839374112768

WDS 20256+2244 GRV 339 : 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
20256+2244	GRV 339		2000	2	312	15.5	11.60	12.90		D	202536.90+224422.5
20256+2244	GRV 339		2001	3	312	15.5	11.60	12.90		D	202536.90+224422.5
20256+2244	GRV 339		2010	3	312	15.2	11.60	12.90			202536.90+224422.5
20256+2244	GRV 339		2015	4	312	15.5	11.60	12.90			202536.90+224422.5
20256+2244	GRV 339		2016	10	312	15.5	11.60	12.90		V	202536.90+224422.5

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

WDS 20256+2244 GRV 339 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20256+2244 GRV 339 : MEASURES

No records found.

WDS 20256+2244 : VIRTUAL EYEPIECE

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WDS 20256+2244 : ALADIN DSS IMAGE @ 20^h 25^m 36.90^s +22° 44' 22.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20256+2244 GRV 339 : 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		20256+2244	GRV 339		312	15.5
Show		20257+2258	BRT2474		103	3.3	14
Show		20260+2257	BRT2475		280	4.9	15
Show		20248+2254	BRT2839	AB	140	1.5	16
Show		20248+2254	SCA 175	AC	131	2.6	16
Show		20248+2254	SCA 175	BC	119	1.1	16
Show		20261+2300	COU 221		339	1.5	17
Show		20264+2227	BRT2526		109	3.5	21
Show		20238+2251	BRT2473		227	4.9	27
Show		20280+2229	GRV 341		159	76.3	38
Show		20237+2214	BRT2472		209	3.2	40
Show		20230+2308	TDT2225		336	2.4	43
Show		20251+2327	POU4475		198	7.6	43
Show		20222+2244	GRV 335		27	49.2	47
Show		20246+2329	POU4467		223	13.4	48
Show		20237+2203	BRT2471		192	4.6	49
Show		20221+2247	COU 124		26	3.8	49
Show		20262+2333	POU4495		338	8.3	50
Show		20272+2329	POU4502		185	9.3	50
Show		20231+2320	RAO 431		281	3.8	51
Show		20258+2335	POU4487		164	7.2	51
Show		20244+2332	POU4458		42	9.5	51
Show		20237+2329	POU4434		131	13.1	52
Show		20233+2325	BKO 443	BC	157	6.7	52
Show		20279+2326	POU4505		230	9.7	52
Show		20233+2325	POU4428	AB	188	8.4	52
Show		20274+2330	BKO 448		72	2.6	53
Show		20232+2326	BKO 442	AB	1	3.4	53
Show		20232+2326	BKO 442	AC	274	4.4	53
Show		20231+2324	BKO 441		139	5.1	53
Show		20241+2156	HDS2915		343	1.3	53
Show		20280+2324	POU4506		63	11.5	53
Show		20280+2326	POU4508		98	16.3	54
Show		20225+2317	POU4414		272	12.8	54
Show		20258+2338	POU4488		4	10.4	54
Show		20224+2315	POU4411		154	11.2	54
Show		20230+2328	J 3083		112	5.2	55
Show		20285+2323	POU4515		223	12.8	55
Show		20241+2335	POU4447		35	13.0	56
Show		20237+2333	POU4435		317	4.9	56
Show		20240+2336	POU4444		242	6.7	57
Show		20288+2322	POU4518	AB	324	20.5	58
Show		20288+2322	POU4519	AC	266	18.3	58
Show		20247+2340	POU4468		44	10.0	58
Show		20225+2323	POU4413		154	17.1	58
Show		20268+2341	POU4500		275	8.6	59
Show		20287+2325	POU4516	AB	227	17.1	59
Show		20287+2325	BKO 449	AC	311	7.6	59
Show		20231+2332	POU4426		308	9.5	60
Show		20295+2311	KPP3358		49	4.5	60
Show		20230+2332	POU4424		81	14.2	60

WDS 20256+2244 : COMPONENTS

	A
B	pa=314.5° sep=14.82"

20256+2244 A

Componente originario normalizzato	AB		Coord arcsec 2000	202536.90+224422.5		Mag	11.6		PmRA	-10.00
PmDE	-33.0

20256+2244 B

Componente originario normalizzato	AB		Coord arcsec 2000	202536.14+224432.9		Mag	12.9		PmRA	-10.00
PmDE	-33.0		Calc delta mag	1.3		Calc coord	yes