20095+3029 GRV 315

20^h 09^m 31.01^s +30° 29' 46.9" P.A. 244.00 sep 22.3 mag 11.79,14.00

Coord 2000	20095+3029	Discov num	GRV 315	Comp		Coord arcsec 2000	20 09 31.01 +30 29 46.9
Date first	2000	Date last	2015	Obs	8
Pa first	244	Pa last	243.9	P.A. Now (θ)	243.9°
Sep first	22.3	Sep last	22.302	Sep. Now (ρ)	22.302"
Mag pri	11.79	Mag sec	14.00	delta mag (ΔM)	2.21	Spectral class
Pri motion ra	+021	Sec motion ra	+010
Pri motion dec	-021	Sec motion dec	-028
Notes

rPM=0.439

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2671-01393-1

Gaia DR2

2029886554394402944

WDS 20095+3029 GRV 315 : 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
20095+3029	GRV 315		2000	2	244	22.3	11.50	13.60		D	200931.01+302946.9
20095+3029	GRV 315		2002	3	244	22.3	11.50	13.60		D	200931.01+302946.9
20095+3029	GRV 315		2010	3	244	22.6	11.79	14.00			200931.01+302946.9
20095+3029	GRV 315		2015	4	244	22.3	11.79	14.00			200931.01+302946.9

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

WDS 20095+3029 GRV 315 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 20095+3029 GRV 315 : MEASURES

No records found.

WDS 20095+3029 : VIRTUAL EYEPIECE

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

WDS 20095+3029 : ALADIN DSS IMAGE @ 20^h 09^m 31.01^s +30° 29' 46.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 20095+3029 GRV 315 : 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		20095+3029	GRV 315		244	22.3
Show		20107+3015	TDT2051		242	2.0	22
Show		20080+3040	ES 361		118	4.6	24
Show		20109+3047	HDS2876		67	0.3	26
Show		20113+3042	TDT2061		353	0.4	27
Show		20076+3042	SMR 74		88	3.2	28
Show		20077+3045	SMR 75		43	3.9	28
Show		20078+3055	COU 31		325	11.1	33
Show		20079+3111	WAK 16		168	1.2	33
Show		20075+3053	ES 360	AB	75	2.7	36
Show		20067+3030	SMR 73		44	6.6	37
Show		20083+2950	A 1198	AB	229	1.5	44
Show		20076+3106	DAM 193		155	3.2	45
Show		20118+3108	COU1474	AB	59	2.9	49
Show		20118+3108	GII 289	Aa,Ab	83	1.5	49
Show		20101+2941	TDT2039		177	0.4	50
Show		20057+3020	ES 498		309	8.3	51
Show		20068+3106	DAM 192		264	9.3	51
Show		20112+3120	SEI 960		223	6.4	52
Show		20135+3031	J 3063		76	4.7	52
Show		20069+3115	SEI 882	AB	60	33.9	57
Show		20069+3115	ES 2690	AC	250	33.6	57
Show		20069+3115	ABH 130	AD	208	61.2	57
Show		20069+3115	ABH 130	AE	222	65.0	57
Show		20053+3010	HJ 1474		349	12.6	57
Show		20051+3021	ES 497		194	5.6	58
Show		20140+3031	COU1475		87	0.2	59
Show		20102+2930	TDT2041		189	1.2	61
Show		20098+3130	SEI 932		291	5.4	61
Show		20087+3130	SEI 910		105	12.3	62
Show		20058+2946	A 1197		331	0.8	65
Show		20110+2928	TDT2056		358	1.5	66
Show		20111+3133	TDT2058		305	0.5	67
Show		20045+3047	TDT1951		59	0.6	68
Show		20043+3033	STF2626		129	1.0	69
Show		20105+2920	HDS2874	Ca,Cb	251	0.4	70
Show		20114+3135	SEI 963		142	15.2	70
Show		20134+2941	MLB 661		167	3.9	70
Show		20044+3055	GRV 309		328	34.1	71
Show		20103+2920	BAC 1		45	16.5	71
Show		20105+2920	BRT 46	AB	79	5.3	71
Show		20105+2920	MLB 477	AC	24	113.7	71
Show		20138+2945	TOB 179		91	23.6	72
Show		20139+2942	TOB 180		299	23.4	74
Show		20124+2923	AG 401		306	4.0	77
Show		20152+3006	TDT2121		11	2.0	78
Show		20095+3148	CBL 526		279	28.3	78
Show		20050+2936	GRV 310		1	45.4	79
Show		20114+2910	A 1200		197	5.4	84
Show		20039+3113	TDT1946		287	0.4	85
Show		20036+2954	LDS6339	AB	232	178.1	85

WDS 20095+3029 : COMPONENTS

	A
B	pa=240.4° sep=19.85"

20095+3029 A

Componente originario normalizzato	AB		Coord arcsec 2000	200931.01+302946.9		Mag	11.79		PmRA	21.00
PmDE	-21.0		Tycho2	2671-01393-1

Tycho2

Tycho2	2671-01393-1	Pflag		RAmdeg	302.37916015	DEmdeg	30.49633019
PmRA	19.1	PmDE	-23.6	E RAmdeg	95	E DEmdeg	86
E pmRA	2.4	E pmDE	2.3	EpRAm	1967.34	EpDEm	1971.03
Num	4	Q RAmdeg	0.3	Q DEmdeg	0.5	Q pmRA	0.3
Q pmDE	0.5	BTmag	12.749	E BTmag	0.211	VTmag	12.121
E VTmag	0.162	Prox	999	TYC		HIP
CCDM		RAdeg	302.37910778	DEdeg	30.49638444	EpRA 1990	1.51
EpDE 1990	1.70	E RAdeg	111.3	E DEdeg	97.6	Posflg
Corr	0.1

20095+3029 B

Componente originario normalizzato	AB		Coord arcsec 2000	200929.67+302937.1		Mag	14		PmRA	10.00
PmDE	-28.0		Calc delta mag	2.21		Calc coord	yes