20381+2416 GRV 366

20^h 38^m 09.63^s +24° 16' 01.2" P.A. 165.00 sep 29.7 mag 10.80,13.90 Sp F2

Coord 2000	20381+2416	Discov num	GRV 366	Comp		Coord arcsec 2000	20 38 09.63 +24 16 01.2
Date first	2000	Date last	2015	Obs	7
Pa first	165	Pa last	164.5	P.A. Now (θ)	164.5°
Sep first	29.7	Sep last	29.736	Sep. Now (ρ)	29.736"
Mag pri	10.80	Mag sec	13.90	delta mag (ΔM)	3.1	Spectral class	F2 (yellow-white)
Pri motion ra	+027	Sec motion ra	+028
Pri motion dec	+016	Sec motion dec	+010
Notes

rPM=0.194 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Tycho2

2157-00495-1

Gaia DR2

1819429995785960704

346975

WDS 20381+2416 GRV 366 : 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
20381+2416	GRV 366		2000	2	165	29.7	10.80	13.90		D	203809.63+241601.2
20381+2416	GRV 366		2001	3	165	29.7	10.80	13.90		D	203809.63+241601.2
20381+2416	GRV 366		2010	3	165	29.7	10.80	13.90	F2		203809.63+241601.2
20381+2416	GRV 366		2015	7	165	29.7	10.80	13.90	F2		203809.63+241601.2

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

WDS 20381+2416 GRV 366 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20381+2416 GRV 366 : MEASURES

No records found.

WDS 20381+2416 : VIRTUAL EYEPIECE

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

WDS 20381+2416 : ALADIN DSS IMAGE @ 20^h 38^m 09.63^s +24° 16' 01.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20381+2416 GRV 366 : 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		20381+2416	GRV 366		165	29.7
Show		20383+2411	POU4768		347	12.6	5
Show		20385+2409	POU4777		267	16.5	9
Show		20384+2427	POU4772		105	7.9	12
Show		20383+2429	BKO 606		238	3.2	13
Show		20390+2409	POU4789		193	3.1	13
Show		20381+2403	POU4761		326	15.1	13
Show		20371+2418	POU4741		298	12.6	15
Show		20389+2405	BKO 610		326	5.4	15
Show		20382+2400	BKO 605		38	5.5	16
Show		20373+2429	POU4743		218	13.2	18
Show		20384+2433	BKO 607		207	6.4	18
Show		20396+2417	POU4810		224	11.6	19
Show		20386+2358	POU4779	AB	65	16.9	19
Show		20386+2358	POU4780	AC	40	21.0	19
Show		20381+2357	POU4763		156	7.8	19
Show		20382+2435	POU4769		315	14.6	19
Show		20375+2434	POU4751		167	14.6	20
Show		20370+2429	POU4740		266	15.3	20
Show		20393+2404	POU4803		87	4.3	20
Show		20397+2419	POU4818		303	14.8	21
Show		20366+2421	POU4732		325	20.3	22
Show		20397+2421	BKO 616		198	3.7	22
Show		20398+2417	BKO 618		314	9.1	22
Show		20372+2433	BKO 598		48	5.0	22
Show		20398+2410	POU4823		75	14.0	23
Show		20369+2432	POU4738		10	13.9	24
Show		20381+2353	BKO 602		335	1.7	24
Show		20364+2421	POU4723		60	10.8	24
Show		20396+2403	POU4816		195	10.6	24
Show		20382+2352	POU4765		139	16.6	24
Show		20400+2417	POU4831		190	8.5	25
Show		20365+2426	POU4728		83	11.3	25
Show		20368+2433	BKO 596		282	4.6	25
Show		20368+2434	BKO 595		147	4.1	26
Show		20365+2428	BKO 591		21	3.0	26
Show		20393+2437	POU4804		336	4.4	26
Show		20369+2436	POU4739		349	13.6	26
Show		20367+2431	BKO 592		321	3.4	26
Show		20379+2442	POU4759		209	16.1	26
Show		20365+2430	POU4726	AB	356	11.0	27
Show		20365+2430	POU4727	AC	325	15.7	27
Show		20390+2352	POU4790		338	4.0	27
Show		20391+2352	POU4795	AB	320	9.5	27
Show		20391+2352	BKO 611	AC	42	9.9	27
Show		20393+2354	BKO 613		134	3.7	28
Show		20388+2441	POU4788	AB	201	11.2	28
Show		20388+2441	POU4787	AC	135	15.3	28
Show		20386+2349	POU4781		29	17.2	28
Show		20389+2350	POU4785		335	8.9	28
Show		20402+2418	POU4837		210	16.8	28

WDS 20381+2416 : COMPONENTS

	A
B	pa=165.8° sep=29.56"

20381+2416 A

Componente originario normalizzato	AB		Coord arcsec 2000	203809.63+241601.2		Mag	10.8		Spectral class	F2 (yellow-white)
PmRA	27.00		PmDE	16.0		Tycho2	2157-00495-1		HD	346975

Tycho2

Tycho2	2157-00495-1	Pflag		RAmdeg	309.54009967	DEmdeg	24.26700421
PmRA	24.9	PmDE	16.7	E RAmdeg	43	E DEmdeg	44
E pmRA	1.5	E pmDE	1.5	EpRAm	1982.30	EpDEm	1981.87
Num	3	Q RAmdeg	0.7	Q DEmdeg	0.1	Q pmRA	0.7
Q pmDE	0.1	BTmag	11.548	E BTmag	0.073	VTmag	11.001
E VTmag	0.072	Prox	945	TYC	T	HIP
CCDM		RAdeg	309.54003556	DEdeg	24.26696472	EpRA 1990	1.53
EpDE 1990	1.47	E RAdeg	45.0	E DEdeg	46.3	Posflg
Corr	-0.1

20381+2416 B

Componente originario normalizzato	AB		Coord arcsec 2000	203810.16+241532.5		Mag	13.9		PmRA	28.00
PmDE	10.0		Calc delta mag	3.1		Calc coord	yes