20569+4233 GRV 399

20^h 56^m 58.09^s +42° 33' 05.9" P.A. 6.00 sep 64.8 mag 11.41,13.78

Coord 2000	20569+4233	Discov num	GRV 399	Comp		Coord arcsec 2000	20 56 58.09 +42 33 05.9
Date first	2000	Date last	2015	Obs	7
Pa first	6	Pa last	5.7	P.A. Now (θ)	5.7°
Sep first	64.8	Sep last	64.824	Sep. Now (ρ)	64.824"
Mag pri	11.41	Mag sec	13.78	delta mag (ΔM)	2.37	Spectral class
Pri motion ra	+036	Sec motion ra	+043
Pri motion dec	+025	Sec motion dec	+013
Notes

rPM=0.309

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3175-00434-1

Gaia DR2

2065744274266884480

WDS 20569+4233 GRV 399 : 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
20569+4233	GRV 399		2000	2	6	64.8	11.20	13.60		D	205658.09+423305.9
20569+4233	GRV 399		2002	3	6	65.0	11.20	13.60		D	205658.09+423305.9
20569+4233	GRV 399		2010	3	6	64.1	11.41	13.78			205658.09+423305.9
20569+4233	GRV 399		2015	4	6	64.8	11.41	13.78			205658.09+423305.9

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

WDS 20569+4233 GRV 399 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20569+4233 GRV 399 : MEASURES

No records found.

WDS 20569+4233 : VIRTUAL EYEPIECE

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Pass over with the mouse cursor to display the catalog designation.

WDS 20569+4233 : ALADIN DSS IMAGE @ 20^h 56^m 58.09^s +42° 33' 05.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20569+4233 GRV 399 : 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		20569+4233	GRV 399		6	64.8
Show		20556+4243	BRT2282		276	2.5	18
Show		20553+4231	STT 423		76	2.7	19
Show		20568+4254	ENG 77	AB	328	100.0	21
Show		20568+4254	ENG 77	AC	17	125.8	21
Show		20568+4254	ENG 77	BC	69	102.7	23
Show		20568+4254	ENG 77	CD	356	92.9	23
Show		20553+4218	OSO 137	AB	116	10.8	25
Show		20553+4218	OSO 137	AC	225	11.6	25
Show		20553+4218	OSO 137	AD	276	14.3	25
Show		20553+4218	OSO 137	AE	295	14.9	25
Show		20553+4218	OSO 137	AF	137	16.8	25
Show		20553+4218	OSO 137	AG	346	25.0	25
Show		20550+4219	LDS2467		193	20.0	26
Show		20598+4225	CLZ 78		347	38.2	33
Show		20584+4303	ES 1575		356	5.3	34
Show		20590+4259	LDS2475		90	12.2	34
Show		20547+4211	CVR 233		235	61.5	35
Show		20592+4257	ES 1576		350	3.7	35
Show		20564+4308	COU2544		160	0.4	36
Show		20573+4319	ES 1450		162	4.7	46
Show		20534+4208	LDS2464		331	43.8	48
Show		20530+4258	COU2542		199	0.1	51
Show		20553+4322	LDS2468		107	60.0	54
Show		20584+4326	ES 1451		101	8.6	56
Show		21015+4301	TDT2698		6	0.6	58
Show		21022+4235	ES 1577		41	5.8	58
Show		20598+4321	LDS2479		287	2.0	58
Show		21024+4236	ES 1578		233	2.8	60
Show		20565+4333	BRT1139		175	3.6	61
Show		20590+4330	LDS2476		65	3.0	62
Show		20568+4335	BRT1957		177	1.1	63
Show		20513+4238	A 614		333	1.5	63
Show		21027+4218	LDS6351		156	134.5	64
Show		20524+4314	LDS2462		265	39.5	65
Show		20539+4139	BRT2280		192	5.0	65
Show		20511+4224	BRT2277		230	4.2	66
Show		20519+4309	GRV 389		190	61.9	67
Show		20534+4139	ES 1574		158	1.4	67
Show		20535+4328	LDS2465		41	12.1	68
Show		20508+4238	LDS2457		106	5.1	70
Show		20569+4122	LDS2471		43	3.2	71
Show		20559+4345	COU2543		222	1.6	73
Show		20517+4317	LDS2461		217	32.6	73
Show		20585+4121	BLL 53		352	169.0	74
Show		20595+4339	LDS2478		125	2.2	74
Show		20525+4138	LDS2463		151	27.8	76
Show		20519+4140	COU2428		113	0.7	78
Show		21032+4158	COU2432		24	0.8	78
Show		21040+4225	COU2433		52	0.3	79
Show		21041+4225	GII 54		246	5.3	79

WDS 20569+4233 : COMPONENTS

	A
B	pa=4.2° sep=64.68"

20569+4233 A

Componente originario normalizzato	AB		Coord arcsec 2000	205658.09+423305.9		Mag	11.41		PmRA	36.00
PmDE	25.0		Tycho2	3175-00434-1

Tycho2

Tycho2	3175-00434-1	Pflag		RAmdeg	314.24206071	DEmdeg	42.55160292
PmRA	39.1	PmDE	25.3	E RAmdeg	60	E DEmdeg	57
E pmRA	1.9	E pmDE	1.8	EpRAm	1980.43	EpDEm	1979.77
Num	3	Q RAmdeg	0.3	Q DEmdeg	0.2	Q pmRA	0.3
Q pmDE	0.2	BTmag	12.268	E BTmag	0.129	VTmag	11.434
E VTmag	0.083	Prox	999	TYC		HIP
CCDM		RAdeg	314.24193833	DEdeg	42.55154500	EpRA 1990	1.70
EpDE 1990	1.76	E RAdeg	63.5	E DEdeg	60.9	Posflg
Corr	0.0

20569+4233 B

Componente originario normalizzato	AB		Coord arcsec 2000	205658.52+423410.4		Mag	13.78		PmRA	43.00
PmDE	13.0		Calc delta mag	2.37		Calc coord	yes