21429+3904 GRV 496

21^h 42^m 55.63^s +39° 04' 33.4" P.A. 72.00 sep 29.9 mag 11.13,11.97

Coord 2000	21429+3904	Discov num	GRV 496	Comp		Coord arcsec 2000	21 42 55.63 +39 04 33.4
Date first	1894	Date last	2016	Obs	11
Pa first	74	Pa last	72.2	P.A. Now (θ)	72.2°
Sep first	29.5	Sep last	29.894	Sep. Now (ρ)	29.894"
Mag pri	11.13	Mag sec	11.97	delta mag (ΔM)	0.84	Spectral class
Pri motion ra	-011	Sec motion ra	-007
Pri motion dec	-020	Sec motion dec	-014
Notes

rPM=0.316

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3184-00745-1

Gaia DR2

1953698026441714688

WDS 21429+3904 GRV 496 : 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
21429+3904	GRV 496		2000	5	72	29.8	11.00	11.80		D	214255.63+390433.4
21429+3904	GRV 496		2002	6	73	29.8	11.00	11.80		D	214255.63+390433.4
21429+3904	GRV 496		2010	6	72	29.9	11.13	11.97			214255.63+390433.4
21429+3904	GRV 496		2016	7	73	29.9	11.13	11.97			214255.63+390433.4

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

WDS 21429+3904 GRV 496 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21429+3904 GRV 496 : MEASURES

No records found.

WDS 21429+3904 : VIRTUAL EYEPIECE

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

WDS 21429+3904 : ALADIN DSS IMAGE @ 21^h 42^m 55.63^s +39° 04' 33.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21429+3904 GRV 496 : 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		21429+3904	GRV 496		72	29.9
Show		21421+3848	ALI 980		139	8.9	20
Show		21453+3853	TDT3139		65	0.5	31
Show		21413+3928	BU 274		180	3.7	31
Show		21403+3858	MLB 787		351	5.4	32
Show		21445+3933	A 1447		243	0.4	33
Show		21400+3919	ALI 978		14	13.3	37
Show		21403+3843	ALI 979		5	9.8	38
Show		21436+3822	ES 2522		101	4.0	44
Show		21399+3931	A 1445	AB	283	1.5	44
Show		21399+3931	HJ 1675	AC	264	37.9	44
Show		21464+3847	MLB 961		4	6.5	46
Show		21450+3942	GRV 499		170	67.4	46
Show		21434+3817	S 799	BD	254	34.0	47
Show		21397+3934	TDT3090		171	0.7	48
Show		21434+3817	KUI 109	Aa,Ab	142	1.9	48
Show		21434+3817	S 799	AB	60	149.5	48
Show		21434+3817	S 799	AC	318	135.3	48
Show		21432+3815	DAM 232		299	8.3	50
Show		21415+3817	SEI1532		139	5.1	51
Show		21399+3941	A 1446		40	1.3	51
Show		21458+3945	MLB 902		327	5.6	51
Show		21459+3943	SEI1535		229	8.5	52
Show		21387+3848	ALI 977		221	11.6	53
Show		21387+3924	TDT3080		245	2.7	53
Show		21383+3906	ALI 976		173	12.8	55
Show		21383+3917	GRV 488		19	59.8	55
Show		21454+3955	SEI1534		189	27.8	58
Show		21399+3813	ES 2066		224	5.4	61
Show		21481+3911	TDT3162		146	2.0	61
Show		21393+3948	KPP4241		95	4.0	61
Show		21377+3911	ALI 975		153	12.8	62
Show		21385+3942	MLB 786		209	5.3	64
Show		21432+3801	HDS3094	Aa,Ab	245	0.1	64
Show		21432+3801	BLL 55	AB	117	142.4	64
Show		21408+3806	TDS1140		191	1.0	65
Show		21466+3815	COU1639		204	1.8	66
Show		21386+3822	TDT3078		157	0.7	67
Show		21487+3914	TDS1147		26	1.0	68
Show		21371+3915	GRV 485		74	19.6	68
Show		21450+3800	LDS1054		8	127.0	69
Show		21440+3757	SEI1533		13	25.7	70
Show		21490+3912	TDT3173		137	0.6	71
Show		21457+3800	DAM1461		190	1.7	73
Show		21492+3849	TDT3176		1	2.3	75
Show		21431+4021	TDT3121		157	1.7	77
Show		21366+3928	VYS 10		261	1.0	77
Show		21371+3942	TDT3063		159	0.6	77
Show		21384+3808	TDT3073		334	1.1	78
Show		21417+4022	TDT3111		296	2.7	79
Show		21493+3937	SEI1536		147	28.1	81

WDS 21429+3904 : COMPONENTS

	A
B	pa=67.5° sep=23.91"

21429+3904 A

Componente originario normalizzato	AB		Coord arcsec 2000	214255.63+390433.4		Mag	11.13		PmRA	-11.00
PmDE	-20.0		Tycho2	3184-00745-1

Tycho2

Tycho2	3184-00745-1	Pflag		RAmdeg	325.73177317	DEmdeg	39.07593532
PmRA	-10.4	PmDE	-19.1	E RAmdeg	33	E DEmdeg	31
E pmRA	2.1	E pmDE	2.0	EpRAm	1988.27	EpDEm	1988.42
Num	4	Q RAmdeg	0.3	Q DEmdeg	1.9	Q pmRA	0.3
Q pmDE	1.9	BTmag	11.482	E BTmag	0.050	VTmag	11.235
E VTmag	0.063	Prox	999	TYC	T	HIP
CCDM		RAdeg	325.73180472	DEdeg	39.07597833	EpRA 1990	1.56
EpDE 1990	1.65	E RAdeg	34.2	E DEdeg	31.9	Posflg
Corr	0.2

21429+3904 B

Componente originario normalizzato	AB		Coord arcsec 2000	214257.53+390442.5		Mag	11.97		PmRA	-7.00
PmDE	-14.0		Calc delta mag	0.84		Calc coord	yes