21371+3915 GRV 485

21^h 37^m 09.28^s +39° 15' 09.4" P.A. 74.00 sep 19.6 mag 11.40,14.00

Coord 2000	21371+3915	Discov num	GRV 485	Comp		Coord arcsec 2000	21 37 09.28 +39 15 09.4
Date first	2000	Date last	2015	Obs	7
Pa first	74	Pa last	74.1	P.A. Now (θ)	74.1°
Sep first	19.5	Sep last	19.623	Sep. Now (ρ)	19.623"
Mag pri	11.40	Mag sec	14.00	delta mag (ΔM)	2.6	Spectral class
Pri motion ra	-015	Sec motion ra	-017
Pri motion dec	-019	Sec motion dec	-006
Notes

rPM=0.543

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

3183-00145-1

Gaia DR2

1953852709681498624

WDS 21371+3915 GRV 485 : 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
21371+3915	GRV 485		2000	2	74	19.5	11.40	14.00		D	213709.28+391509.4
21371+3915	GRV 485		2002	3	74	19.5	11.40	14.00		D	213709.28+391509.4
21371+3915	GRV 485		2010	3	74	19.6	11.40	14.00			213709.28+391509.4
21371+3915	GRV 485		2015	4	74	19.6	11.40	14.00			213709.28+391509.4

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

WDS 21371+3915 GRV 485 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21371+3915 GRV 485 : MEASURES

No records found.

WDS 21371+3915 : VIRTUAL EYEPIECE

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

WDS 21371+3915 : ALADIN DSS IMAGE @ 21^h 37^m 09.28^s +39° 15' 09.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21371+3915 GRV 485 : 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		21371+3915	GRV 485		74	19.6
Show		21377+3911	ALI 975		153	12.8	8
Show		21366+3928	VYS 10		261	1.0	14
Show		21383+3917	GRV 488		19	59.8	15
Show		21383+3906	ALI 976		173	12.8	16
Show		21387+3924	TDT3080		245	2.7	21
Show		21371+3942	TDT3063		159	0.6	28
Show		21353+3935	ALI1163		342	7.1	30
Show		21348+3903	LEP 101		168	19.9	31
Show		21385+3942	MLB 786		209	5.3	32
Show		21387+3848	ALI 977		221	11.6	33
Show		21400+3919	ALI 978		14	13.3	34
Show		21397+3934	TDT3090		171	0.7	35
Show		21399+3931	A 1445	AB	283	1.5	36
Show		21399+3931	HJ 1675	AC	264	37.9	36
Show		21403+3858	MLB 787		351	5.4	40
Show		21399+3941	A 1446		40	1.3	41
Show		21393+3948	KPP4241		95	4.0	42
Show		21336+3905	COU1975	AB	359	21.4	42
Show		21336+3905	COU1975	Aa,Ab	331	0.3	42
Show		21352+3839	ES 2713		98	17.7	44
Show		21354+3837	ES 1995		39	2.3	46
Show		21363+4002	MLB 28		256	4.3	49
Show		21403+3843	ALI 979		5	9.8	49
Show		21340+3844	COU1976		30	0.4	49
Show		21336+3943	TDT3031		296	0.6	50
Show		21413+3928	BU 274		180	3.7	51
Show		21333+3940	MLB 900		279	6.8	51
Show		21351+4000	MLB 901		233	5.8	52
Show		21348+3832	DEA 61		195	66.9	52
Show		21328+3904	A 1443		249	0.2	52
Show		21331+3938	MLB 899	AB	51	3.2	52
Show		21331+3938	MLB 899	AC	142	27.9	52
Show		21328+3901	MLB 989		162	3.2	53
Show		21325+3902	ES 260		281	6.1	56
Show		21335+3951	TDT3030		176	0.8	56
Show		21386+3822	TDT3078		157	0.7	57
Show		21324+3903	MLB 988		109	2.2	57
Show		21363+4012	AG 273		3	8.9	58
Show		21329+3843	KPP4236		205	1.8	59
Show		21324+3849	MLB1029	AB	204	5.9	61
Show		21324+3849	DAM 326	AC	315	13.4	61
Show		21324+3849	MLB1029	AD	290	29.1	61
Show		21327+3948	HO 604		316	5.3	62
Show		21322+3850	ES 259		319	3.9	64
Show		21421+3848	ALI 980		139	8.9	64
Show		21332+4001	MLB 990		231	4.1	65
Show		21374+3810	GRV 487		201	74.8	66
Show		21323+3839	ALI 974		210	10.6	67
Show		21321+3949	COU1974		136	0.2	68
Show		21429+3904	GRV 496		72	29.9	68

WDS 21371+3915 : COMPONENTS

	A
B	pa=69.8° sep=15.57"

21371+3915 A

Componente originario normalizzato	AB		Coord arcsec 2000	213709.28+391509.4		Mag	11.4		PmRA	-15.00
PmDE	-19.0		Tycho2	3183-00145-1

Tycho2

Tycho2	3183-00145-1	Pflag		RAmdeg	324.28865562	DEmdeg	39.25260292
PmRA	-10.1	PmDE	-12.3	E RAmdeg	70	E DEmdeg	67
E pmRA	4.1	E pmDE	3.7	EpRAm	1986.49	EpDEm	1986.01
Num	3	Q RAmdeg	1.6	Q DEmdeg	2.0	Q pmRA	1.6
Q pmDE	2.1	BTmag	12.417	E BTmag	0.142	VTmag	12.093
E VTmag	0.143	Prox	959	TYC		HIP
CCDM		RAdeg	324.28868611	DEdeg	39.25263139	EpRA 1990	1.64
EpDE 1990	1.68	E RAdeg	73.4	E DEdeg	69.6	Posflg
Corr	0.1

21371+3915 B

Componente originario normalizzato	AB		Coord arcsec 2000	213710.54+391514.8		Mag	14		PmRA	-17.00
PmDE	-6.0		Calc delta mag	2.6		Calc coord	yes