21470+2930 GRV 503

21^h 47^m 01.50^s +29° 30' 46.5" P.A. 331.00 sep 20.4 mag 11.29,11.30 Sp G0+F1

Coord 2000	21470+2930	Discov num	GRV 503	Comp		Coord arcsec 2000	21 47 01.50 +29 30 46.5
Date first	1894	Date last	2016	Obs	16
Pa first	331	Pa last	330.9	P.A. Now (θ)	330.9°
Sep first	20.2	Sep last	20.384	Sep. Now (ρ)	20.384"
Mag pri	11.29	Mag sec	11.30	delta mag (ΔM)	0.01	Spectral class	G0+F1 (yellow/yellow-white)
Pri motion ra	-023	Sec motion ra	-023
Pri motion dec	-022	Sec motion dec	-023
Notes	T (Parallax indicates physical)

rPM=0.031 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2214-00603-1

Gaia DR2

1897440689367972096

WDS 21470+2930 GRV 503 : 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
21470+2930	GRV 503		2000	8	331	20.4	11.29	11.30		D	214701.50+293046.5
21470+2930	GRV 503		2002	9	331	20.4	11.29	11.30		D	214701.50+293046.5
21470+2930	GRV 503		2013	9	331	20.2	11.29	11.30			214701.50+293046.5
21470+2930	GRV 503		2015	11	331	20.4	11.29	11.30		W	214701.50+293046.5
21470+2930	GRV 503		2016	16	331	20.4	11.29	11.30	G0+F1	T	214701.50+293046.5

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

WDS 21470+2930 GRV 503 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21470+2930 GRV 503 : MEASURES

No records found.

WDS 21470+2930 : VIRTUAL EYEPIECE

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

WDS 21470+2930 : ALADIN DSS IMAGE @ 21^h 47^m 01.50^s +29° 30' 46.5"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21470+2930 GRV 503 : 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		21470+2930	GRV 503		331	20.4
Show		21473+2932	STJ 58		193	1.8	5
Show		21458+2945	DAM 236		143	5.9	22
Show		21469+2907	CVR 919		201	23.5	24
Show		21455+2948	DAM 237		233	6.3	28
Show		21458+2954	TDT3146		359	2.5	28
Show		21452+2914	UC 4550		15	42.5	30
Show		21457+2957	TDT3145		250	2.2	32
Show		21474+2855	AG 420		145	7.5	37
Show		21461+2855	BRT 58		165	4.4	38
Show		21442+2942	MLB 493		330	8.6	39
Show		21510+2911	A 889	AB	15	0.2	57
Show		21510+2911	A 889	Aa,Ab	323	0.0	57
Show		21430+2951	KPP 498		58	3.9	57
Show		21441+2845	ES 521	DE	286	17.5	57
Show		21441+2845	FYM 25	DG	164	89.6	57
Show		21474+2834	A 300	AB	252	2.3	57
Show		21474+2834	A 300	AC	29	7.5	57
Show		21474+2834	A 300	AD	170	8.4	57
Show		21441+2845	STF2822	BD	45	196.7	60
Show		21441+2845	STF2822	AB	325	1.6	60
Show		21441+2845	STF2822	AC	292	76.6	60
Show		21441+2845	STF2822	AD	43	197.0	60
Show		21441+2845	FYM 25	AF	72	111.5	60
Show		21441+2845	FYM 25	AG	73	168.1	60
Show		21451+3026	TDT3136			0.8	61
Show		21420+2924	MLB 539		171	4.8	67
Show		21429+3014	TDT3119		157	2.7	69
Show		21420+2951	MLB 720		140	7.2	69
Show		21517+2856	HLD 49		341	2.1	71
Show		21517+2852	SHN 256		-1	0.6	73
Show		21416+2911	GRV 493		184	44.7	73
Show		21480+2819	MLB 541		340	9.9	73
Show		21422+3008	MLB 575	BC	108	2.7	74
Show		21418+2901	MLB 492		114	7.0	74
Show		21422+3008	MLB 575	AC	133	17.4	74
Show		21454+2819	J 3145		112	5.4	75
Show		21462+2817	MLB 540	AB	256	4.1	75
Show		21462+2817	MLB 540	AC	322	8.7	75
Show		21462+2817	ABH 152	AD	68	41.8	75
Show		21462+2817	ABH 152	AE	96	80.1	75
Show		21444+2824	KPP3373		242	2.1	75
Show		21410+2920	STT 448		31	0.1	80
Show		21412+2955	GRV 491		21	31.4	80
Show		21530+2939	BRT 59		355	4.4	81
Show		21494+3045	STF2829		15	17.1	81
Show		21516+3030	MLB 669		309	3.2	84
Show		21494+3048	GRV 511		228	40.4	84
Show		21511+3046	DEA 89		204	14.8	93
Show		21538+2856	MLB 495		134	4.8	93
Show		21401+2928	BRT 57		137	5.0	94

WDS 21470+2930 : COMPONENTS

	A
B	pa=334.2° sep=19.79"

21470+2930 A

Componente originario normalizzato	AB		Coord arcsec 2000	214701.50+293046.5		Mag	11.29		Spectral class	G0 (yellow)
PmRA	-23.00		PmDE	-22.0		Tycho2	2214-00603-1

Tycho2

Tycho2	2214-00603-1	Pflag		RAmdeg	326.75626067	DEmdeg	29.51292569
PmRA	-19.4	PmDE	-24.6	E RAmdeg	41	E DEmdeg	49
E pmRA	1.7	E pmDE	1.7	EpRAm	1982.86	EpDEm	1978.39
Num	6	Q RAmdeg	1.0	Q DEmdeg	0.9	Q pmRA	1.1
Q pmDE	0.9	BTmag	11.847	E BTmag	0.079	VTmag	11.291
E VTmag	0.079	Prox	204	TYC	T	HIP
CCDM		RAdeg	326.75631194	DEdeg	29.51297972	EpRA 1990	1.64
EpDE 1990	1.80	E RAdeg	44.1	E DEdeg	55.3	Posflg
Corr	-0.2

21470+2930 B

Componente originario normalizzato	AB	Coord arcsec 2000	214700.84+293104.3	Mag	11.3	Spectral class	F1 (yellow-white)
PmRA	-23.00	PmDE	-23.0	Tycho2	2214-00233-1	Calc delta mag	0.01
Calc coord	yes

Tycho2

Tycho2	2214-00233-1	Pflag		RAmdeg	326.75308103	DEmdeg	29.51788307
PmRA	-21.3	PmDE	-21.1	E RAmdeg	41	E DEmdeg	50
E pmRA	1.9	E pmDE	1.9	EpRAm	1986.29	EpDEm	1983.68
Num	4	Q RAmdeg	0.9	Q DEmdeg	1.1	Q pmRA	0.9
Q pmDE	1.1	BTmag	11.715	E BTmag	0.070	VTmag	11.300
E VTmag	0.080	Prox	204	TYC	T	HIP
CCDM		RAdeg	326.75313806	DEdeg	29.51793111	EpRA 1990	1.63
EpDE 1990	1.79	E RAdeg	41.6	E DEdeg	51.7	Posflg
Corr	-0.2