21452+4432 GRV 500

21^h 45^m 13.61^s +44° 32' 35.1" P.A. 348.00 sep 59.6 mag 10.83,12.98

Coord 2000	21452+4432	Discov num	GRV 500	Comp		Coord arcsec 2000	21 45 13.61 +44 32 35.1
Date first	1998	Date last	2015	Obs	7
Pa first	347	Pa last	347.5	P.A. Now (θ)	347.5°
Sep first	59.6	Sep last	59.632	Sep. Now (ρ)	59.632"
Mag pri	10.83	Mag sec	12.98	delta mag (ΔM)	2.15	Spectral class
Pri motion ra	-007	Sec motion ra	-003
Pri motion dec	-010	Sec motion dec	-002
Notes

rPM=0.733

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3196-01354-1

Gaia DR2

1973853998728820096

WDS 21452+4432 GRV 500 : 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
21452+4432	GRV 500		2000	2	347	59.6	10.50	12.90		D	214513.61+443235.1
21452+4432	GRV 500		2002	3	347	59.5	10.50	12.90		D	214513.61+443235.1
21452+4432	GRV 500		2010	3	348	59.6	10.83	12.98			214513.61+443235.1
21452+4432	GRV 500		2015	4	348	59.6	10.83	12.98			214513.61+443235.1

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

WDS 21452+4432 GRV 500 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21452+4432 GRV 500 : MEASURES

No records found.

WDS 21452+4432 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 21452+4432 : ALADIN DSS IMAGE @ 21^h 45^m 13.61^s +44° 32' 35.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21452+4432 GRV 500 : NEIGHBORHOODS

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		21452+4432	GRV 500		348	59.6
Show		21448+4425	COU2234		84	0.1	10
Show		21435+4448	LIN 1	Aa,Ab	187	0.2	25
Show		21435+4448	HO 167	AB	205	1.3	25
Show		21434+4417	HJ 1685		239	18.6	26
Show		21422+4434	ES 1341	AB	280	5.9	33
Show		21422+4434	ES 1341	AC	327	33.5	33
Show		21460+4506	HJ 1689		57	9.8	35
Show		21454+4356	HO 168	AB	42	0.8	37
Show		21454+4356	HO 168	AC	267	18.7	37
Show		21454+4356	HO 168	AD	21	28.3	37
Show		21454+4356	HO 168	AE	22	28.3	37
Show		21421+4414	A 403		74	0.6	39
Show		21429+4507	COU2314		38	0.3	43
Show		21439+4517	TDT3123		242	1.5	47
Show		21487+4357	GRV 509		177	56.4	52
Show		21489+4349	TDT3170		94	1.4	59
Show		21448+4534	TDT3131		106	1.7	62
Show		21509+4419	HJ 1700		197	9.7	62
Show		21459+4535	BVD 271		267	12.5	63
Show		21467+4533	J 616		303	4.9	64
Show		21502+4356	TDS1148		97	1.1	65
Show		21513+4428	TDT3195		203	1.9	66
Show		21391+4421	HJ 1673		80	5.4	67
Show		21392+4411	BU 1331		340	0.7	69
Show		21513+4456	COU2318		109	0.7	69
Show		21400+4348	TDT3097		253	0.4	72
Show		21519+4441	TDT3200		210	0.5	73
Show		21492+4326	PKO 17		149	13.6	80
Show		21430+4549	ES 1276		279	3.3	81
Show		21490+4323	PKO 16		96	5.9	81
Show		21489+4321	TDT3171		286	0.5	82
Show		21490+4316	BRT1152		231	6.7	87
Show		21526+4513	ES 522		138	3.1	90
Show		21371+4409	POP 139		183	1.0	91
Show		21509+4542	KPP4249		74	2.0	93
Show		21402+4316	AC 20	AB	329	2.7	94
Show		21402+4316	STTA221	AC	253	62.2	94
Show		21454+4258	ES 1459		282	2.3	94
Show		21427+4303	TDT3117		163	0.8	94
Show		21443+4256	TDT3129		76	0.9	97
Show		21444+4610	COU2315		101	0.3	98
Show		21395+4317	DA 14		350	3.9	99
Show		21444+4611	HJ 1687		55	4.9	99
Show		21462+4254	COU1979		261	0.4	99
Show		21448+4254	TDT3132		293	2.0	100
Show		21525+4332	TDT3212		39	1.7	100
Show		21474+4256	A 405		277	1.9	100
Show		21370+4520	COU2309		53	0.7	100
Show		21531+4339	TDT3215		110	0.8	100
Show		21386+4544	KPP1196		58	9.3	101

WDS 21452+4432 : COMPONENTS

	A
B	pa=351.0° sep=58.94"

21452+4432 A

Componente originario normalizzato	AB		Coord arcsec 2000	214513.61+443235.1		Mag	10.83		PmRA	-7.00
PmDE	-10.0		Tycho2	3196-01354-1

Tycho2

Tycho2	3196-01354-1	Pflag		RAmdeg	326.30669319	DEmdeg	44.54308818
PmRA	-11.4	PmDE	-7.7	E RAmdeg	41	E DEmdeg	48
E pmRA	2.7	E pmDE	2.5	EpRAm	1984.55	EpDEm	1985.14
Num	3	Q RAmdeg	1.1	Q DEmdeg	0.8	Q pmRA	1.1
Q pmDE	0.8	BTmag	12.361	E BTmag	0.172	VTmag	11.228
E VTmag	0.085	Prox	999	TYC	T	HIP
CCDM		RAdeg	326.30671028	DEdeg	44.54311250	EpRA 1990	1.73
EpDE 1990	1.67	E RAdeg	64.5	E DEdeg	59.4	Posflg
Corr	0.2

21452+4432 B

Componente originario normalizzato	AB		Coord arcsec 2000	214512.75+443333.3		Mag	12.98		PmRA	-3.00
PmDE	-2.0		Calc delta mag	2.15		Calc coord	yes