21370+3628 GRV 484

21^h 37^m 05.61^s +36° 28' 35.3" P.A. 216.00 sep 66.1 mag 11.68,11.99

Coord 2000	21370+3628	Discov num	GRV 484	Comp		Coord arcsec 2000	21 37 05.61 +36 28 35.3
Date first	1931	Date last	2016	Obs	13
Pa first	216	Pa last	215.8	P.A. Now (θ)	215.8°
Sep first	65.5	Sep last	66.144	Sep. Now (ρ)	66.144"
Mag pri	11.68	Mag sec	11.99	delta mag (ΔM)	0.31	Spectral class
Pri motion ra	+069	Sec motion ra	+068
Pri motion dec	-037	Sec motion dec	-034
Notes	T (Parallax indicates physical)

rPM=0.04 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2729-02338-1

Gaia DR2

1951139462880231040

WDS 21370+3628 GRV 484 : 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
21370+3628	GRV 484		2000	6	216	66.1	11.96	12.20		D	213705.61+362835.3
21370+3628	GRV 484		2002	7	216	66.1	11.96	12.20		D	213705.61+362835.3
21370+3628	GRV 484		2010	7	216	66.2	11.68	11.99			213705.61+362835.3
21370+3628	GRV 484		2015	8	216	66.1	11.68	11.99		W	213705.61+362835.3
21370+3628	GRV 484		2016	13	216	66.1	11.68	11.99		T	213705.61+362835.3

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

WDS 21370+3628 GRV 484 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21370+3628 GRV 484 : MEASURES

No records found.

WDS 21370+3628 : VIRTUAL EYEPIECE

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

WDS 21370+3628 : ALADIN DSS IMAGE @ 21^h 37^m 05.61^s +36° 28' 35.3"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21370+3628 GRV 484 : 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		21370+3628	GRV 484		216	66.1	1
Show		21367+3624	HLD 46		198	1.7	8
Show		21380+3613	TDT3068		344	0.5	19
Show		21389+3623	STF2814		160	8.1	23
Show		21382+3655	TDT3069		148	0.5	30
Show		21345+3635	TDT3037		273	1.9	32
Show		21396+3650	SEI1530		160	19.9	38
Show		21385+3549	TDT3076		84	2.2	44
Show		21376+3712	ES 2065		4	3.9	44
Show		21340+3605	TDT3034		125	0.6	45
Show		21353+3549	GRV 479		117	52.1	45
Show		21407+3612	ES 2130		120	3.2	47
Show		21400+3605	ES 2129		131	5.1	47
Show		21395+3551	COU1335		295	0.5	48
Show		21385+3543	CRB 143		69	19.0	49
Show		21402+3703	SEI1531		20	2.9	51
Show		21419+3612	COU1336	BD	178	1.5	58
Show		21419+3612	ES 2131	AC	216	7.4	59
Show		21421+3602	ALI 220		266	8.2	66
Show		21405+3720	ES 2067		227	6.8	67
Show		21328+3546	SEI1524		130	24.8	68
Show		21339+3530	TDT3033		150	0.6	71
Show		21378+3739	SEI1527	AB	332	25.5	72
Show		21378+3739	MBR 1	AC	89	14.5	72
Show		21337+3728	SEI1526		160	25.3	72
Show		21431+3622	GRV 497		228	35.1	73
Show		21331+3726	SEI1525		100	15.0	74
Show		21311+3652	HJ 1653		195	19.5	76
Show		21382+3514	SEI1528		64	22.0	76
Show		21412+3735	TDT3109		59	0.6	83
Show		21316+3535	TDS1132		306	1.4	86
Show		21305+3701	SEI1521	AB	225	2.9	87
Show		21305+3701	GII 102	Aa,Ab	306	0.4	87
Show		21349+3505	GRV 478		134	28.6	87
Show		21398+3749	A 1444		82	1.1	88
Show		21358+3755	GRV 482		188	49.3	89
Show		21317+3730	GRV 474		236	24.6	90
Show		21296+3625	ES 258	BC	10	19.7	91
Show		21436+3715	TDS1143		180	0.9	91
Show		21296+3625	ES 258	AB	36	9.8	91
Show		21294+3640	CRB 16		56	111.6	94
Show		21300+3549	TDT2998		209	2.0	95
Show		21295+3635	ES 2128	AB	304	7.2	96
Show		21295+3635	ES 2128	AC	101	24.9	96
Show		21360+3803	GRV 483		237	21.8	96
Show		21429+3734	ES 2521	AB	200	8.2	96
Show		21429+3734	ES 2521	AC	93	16.5	96
Show		21410+3504	HO 164	AB	71	4.6	97
Show		21410+3504	HO 164	AC	240	28.4	97
Show		21446+3548	TDT3130		95	0.5	100
Show		21442+3538	TDT3126		340	0.8	100

WDS 21370+3628 : COMPONENTS

	A
B	pa=210.1° sep=62.02"

21370+3628 A

Componente originario normalizzato	AB		Coord arcsec 2000	213705.61+362835.3		Mag	11.68		PmRA	69.00
PmDE	-37.0		Tycho2	2729-02338-1

Tycho2

Tycho2	2729-02338-1	Pflag		RAmdeg	324.27338354	DEmdeg	36.47648565
PmRA	67.7	PmDE	-31.5	E RAmdeg	55	E DEmdeg	50
E pmRA	2.5	E pmDE	2.3	EpRAm	1983.79	EpDEm	1984.73
Num	5	Q RAmdeg	0.7	Q DEmdeg	2.2	Q pmRA	0.7
Q pmDE	2.2	BTmag	12.519	E BTmag	0.133	VTmag	11.960
E VTmag	0.114	Prox	663	TYC		HIP
CCDM		RAdeg	324.27318944	DEdeg	36.47655583	EpRA 1990	1.61
EpDE 1990	1.69	E RAdeg	59.4	E DEdeg	52.6	Posflg
Corr	0.2

21370+3628 B

Componente originario normalizzato	AB		Coord arcsec 2000	213703.03+362741.7		Mag	11.99		PmRA	68.00
PmDE	-34.0		Tycho2	2729-00220-1		Calc delta mag	0.31		Calc coord	yes

Tycho2

Tycho2	2729-00220-1	Pflag		RAmdeg	324.26000644	DEmdeg	36.46151571
PmRA	67.1	PmDE	-43.8	E RAmdeg	63	E DEmdeg	56
E pmRA	3.7	E pmDE	3.5	EpRAm	1985.73	EpDEm	1986.81
Num	4	Q RAmdeg	0.3	Q DEmdeg	1.3	Q pmRA	0.2
Q pmDE	1.3	BTmag	12.668	E BTmag	0.152	VTmag	12.202
E VTmag	0.130	Prox	663	TYC		HIP
CCDM		RAdeg	324.25981222	DEdeg	36.46161611	EpRA 1990	1.62
EpDE 1990	1.71	E RAdeg	67.3	E DEdeg	58.8	Posflg
Corr	0.2