20379+0951 GRV 365

20^h 37^m 59.39^s +09° 51' 41.5" P.A. 105.00 sep 28.1 mag 11.93,12.14

Coord 2000	20379+0951	Discov num	GRV 365	Comp		Coord arcsec 2000	20 37 59.39 +09 51 41.5
Date first	1899	Date last	2015	Obs	12
Pa first	104	Pa last	104.8	P.A. Now (θ)	104.8°
Sep first	27.6	Sep last	28.109	Sep. Now (ρ)	28.109"
Mag pri	11.93	Mag sec	12.14	delta mag (ΔM)	0.21	Spectral class
Pri motion ra	-017	Sec motion ra	-013
Pri motion dec	-012	Sec motion dec	-016
Notes

rPM=0.272 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Delphinus

Tycho2

1092-01325-1

Gaia DR2

1754165425097039360

WDS 20379+0951 GRV 365 : 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
20379+0951	GRV 365		2005	6	106	28.5	11.70	11.80		D	203759.39+095141.5
20379+0951	GRV 365		2010	8	105	28.1	11.93	12.14			203759.39+095141.5
20379+0951	GRV 365		2015	9	105	28.1	11.93	12.14			203759.39+095141.5

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

WDS 20379+0951 GRV 365 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20379+0951 GRV 365 : MEASURES

No records found.

WDS 20379+0951 : 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 20379+0951 : ALADIN DSS IMAGE @ 20^h 37^m 59.39^s +09° 51' 41.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20379+0951 GRV 365 : 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		20379+0951	GRV 365		105	28.1
Show		20386+0950	OL 218		274	5.5	10
Show		20386+1000	BRT2187		162	5.1	13
Show		20380+1011	HDS2945		79	0.4	20
Show		20391+1005	STT 533	AB	278	46.3	22
Show		20391+1005	STT 533	AC	101	214.6	22
Show		20366+1027	AG 258		11	4.2	41
Show		20397+0910	UC 4248		329	36.4	49
Show		20383+1043	BU 1491		87	3.2	52
Show		20375+1050	HEI 586		220	0.6	59
Show		20409+1035	STF2713		62	5.1	61
Show		20391+1055	UC 4243		50	16.2	65
Show		20345+1036	BPM2192		343	103.0	68
Show		20392+1059	SCJ 27	AB	262	6.2	70
Show		20392+1059	SCJ 27	AC	78	14.1	70
Show		20393+1101	J 2603		354	1.8	71
Show		20339+1032	BPM2189		259	69.9	74
Show		20384+0838	WIS 339		24	999.9	74
Show		20364+1105	UC 4230		173	19.0	78
Show		20401+1105	GWP2979		215	7.5	80
Show		20325+0951	UC 4209		15	92.1	81
Show		20417+1053	UC 4260		155	39.5	83
Show		20385+1118	J 1073		112	5.3	85
Show		20326+1024	J 3092		336	5.3	86
Show		20386+1120	J 1242		205	5.2	88
Show		20399+1115	ENG 75	AB	6	182.2	88
Show		20399+1115	CVN 17	Aa,Ab	36	0.5	88
Show		20399+1115	TOK 631	AC	142	947.9	88
Show		20396+1120	BPM2221		275	70.3	92
Show		20413+1111	BPM2229		11	85.9	94
Show		20339+1106	TDT2376		76	0.8	97
Show		20325+0858	HJ 2976		266	18.8	97
Show		20416+1058	J 192		138	5.1	98
Show		20354+1121	YR 16		278	0.7	98
Show		20375+1130	BPM2213		275	91.7	99
Show		20349+1120	TDT2394		2	0.5	100
Show		20402+1126	BPM2224		331	104.0	101
Show		20348+1121	J 1344		103	2.5	101
Show		20322+1054	LDS4848		143	251.1	104
Show		20424+1117	OSO 131	AB	222	13.0	108
Show		20424+1117	OSO 131	AC	161	14.1	108
Show		20424+1117	OSO 131	AD	37	20.6	108
Show		20424+1117	OSO 131	AE	56	24.1	108
Show		20424+1117	OSO 131	AF	174	22.9	108
Show		20387+1139	GWP2975		166	5.8	108
Show		20454+0952	HEI 589		257	1.8	110
Show		20350+1134	BRT3358		288	1.9	112
Show		20372+1143	BPM2210		203	101.9	112
Show		20446+0854	LDS1046		344	15.0	113
Show		20443+1101	BPM2242		127	30.4	117
Show		20457+1017	OSO 134	AB	44	11.1	117

WDS 20379+0951 : COMPONENTS

	A
B	pa=105.0° sep=27.72"

20379+0951 A

Componente originario normalizzato	AB		Coord arcsec 2000	203759.39+095141.5		Mag	11.93		PmRA	-17.00
PmDE	-12.0

20379+0951 B

Componente originario normalizzato	AB		Coord arcsec 2000	203801.20+095134.3		Mag	12.14		PmRA	-13.00
PmDE	-16.0		Tycho2	1092-01325-1		Calc delta mag	0.21		Calc coord	yes

Tycho2

Tycho2	1092-01325-1	Pflag		RAmdeg	309.50504325	DEmdeg	9.85960366
PmRA	-18.0	PmDE	-13.0	E RAmdeg	127	E DEmdeg	137
E pmRA	3.1	E pmDE	3.3	EpRAm	1959.98	EpDEm	1950.09
Num	3	Q RAmdeg	0.1	Q DEmdeg	1.3	Q pmRA	0.1
Q pmDE	1.3	BTmag	12.985	E BTmag	0.289	VTmag	12.271
E VTmag	0.208	Prox	999	TYC		HIP
CCDM		RAdeg	309.50508500	DEdeg	9.85962556	EpRA 1990	1.69
EpDE 1990	1.49	E RAdeg	161.7	E DEdeg	196.2	Posflg
Corr	-0.1