21247+2555 GRV 463

21^h 24^m 44.25^s +25° 55' 37.8" P.A. 32.00 sep 35.2 mag 9.54,12.78 Sp G0

Coord 2000	21247+2555	Discov num	GRV 463	Comp		Coord arcsec 2000	21 24 44.25 +25 55 37.8
Date first	1898	Date last	2015	Obs	7
Pa first	34	Pa last	31.9	P.A. Now (θ)	31.9°
Sep first	34.9	Sep last	35.248	Sep. Now (ρ)	35.248"
Mag pri	9.54	Mag sec	12.78	delta mag (ΔM)	3.24	Spectral class	G0 (yellow)
Pri motion ra	-024	Sec motion ra	-031
Pri motion dec	-023	Sec motion dec	-018
Notes	S (Parallax indidates non-physical)

rPM=0.24 (< 0.3, Physical double)

This double is not physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Vulpecula

Tycho2

2191-01429-1

Gaia DR2

1846699116802765312

WDS 21247+2555 GRV 463 : 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
21247+2555	GRV 463		2000	3	32	35.3	9.30	12.40		D	212444.25+255537.8
21247+2555	GRV 463		2001	4	32	35.2	9.30	12.40		D	212444.25+255537.8
21247+2555	GRV 463		2010	4	32	35.2	9.54	12.78	G0		212444.25+255537.8
21247+2555	GRV 463		2015	5	32	35.2	9.54	12.78	G0		212444.25+255537.8

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

WDS 21247+2555 GRV 463 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21247+2555 GRV 463 : MEASURES

No records found.

WDS 21247+2555 : VIRTUAL EYEPIECE

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

WDS 21247+2555 : ALADIN DSS IMAGE @ 21^h 24^m 44.25^s +25° 55' 37.8"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21247+2555 GRV 463 : 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		21247+2555	GRV 463		32	35.2	1
Show		21252+2600	TDT2952		119	1.0	8
Show		21246+2532	KPP2335		311	19.9	24
Show		21241+2519	BU 447	AB	309	9.4	38
Show		21241+2519	BU 447	AC	193	58.3	38
Show		21241+2519	BU 447	AD	84	45.1	38
Show		21241+2519	BU 447	AE	116	65.3	38
Show		21241+2519	BU 447	AF	218	84.3	38
Show		21237+2519	BKO 894		253	4.9	40
Show		21256+2515	POU5368		129	17.3	43
Show		21214+2610	J 1786		222	6.1	45
Show		21255+2510	POU5364	AB	232	7.7	47
Show		21255+2510	POU5365	AC	265	9.8	47
Show		21229+2639	BRT3366		331	6.6	50
Show		21205+2554	GRV 450		138	51.0	57
Show		21202+2604	GRV 448		157	42.8	61
Show		21208+2525	POU5342		27	18.6	62
Show		21283+2515	POU5379		127	18.8	63
Show		21282+2637	LDS6353		158	11.5	64
Show		21222+2651	UC 4461		234	23.1	65
Show		21256+2452	POU5367		64	15.6	65
Show		21220+2502	POU5352		69	11.2	66
Show		21267+2456	POU5370		285	6.2	66
Show		21298+2603	KPP1049		4	8.4	69
Show		21211+2507	POU5349		181	15.7	70
Show		21288+2511	POU5382		25	12.2	71
Show		21215+2650	TDT2921		145	2.2	71
Show		21196+2543	COU 728		50	1.5	71
Show		21240+2445	COU 231		123	0.5	71
Show		21298+2531	POU5385		332	8.0	72
Show		21247+2708	TVB 12		268	21.8	72
Show		21285+2501	POU5380		313	11.1	75
Show		21223+2449	TDT2931	Aa,Ab	345	0.5	76
Show		21223+2449	POU5353	AB	175	13.3	76
Show		21228+2443	POU5354		192	15.6	78
Show		21209+2455	UC 4448		196	30.3	80
Show		21190+2614	MET 92	AB	343	3.4	80
Show		21190+2614	MET 92	AC	314	8.6	80
Show		21190+2614	MET 92	AD	318	8.6	80
Show		21190+2614	MET 92	AE	218	9.9	80
Show		21190+2614	MET 92	AF	109	12.0	80
Show		21190+2614	MET 92	AG	215	12.1	80
Show		21190+2614	TOK 634	AH	34	999.9	80
Show		21194+2513	POU5332	AB	57	9.8	83
Show		21194+2513	POU5333	AC	186	9.5	83
Show		21239+2434	POU5358		46	17.3	83
Show		21294+2501	POU5383		56	21.1	84
Show		21299+2507	POU5387		67	17.3	86
Show		21179+2630	J 3134	AB	42	5.8	86
Show		21179+2630	DAM 228	AC	308	6.1	86
Show		21215+2443	COU 730		282	2.4	87

WDS 21247+2555 : COMPONENTS

	A
B	pa=29.2° sep=34.29"

21247+2555 A

Componente originario normalizzato	AB		Coord arcsec 2000	212444.25+255537.8		Mag	9.54		Spectral class	G0 (yellow)
PmRA	-24.00		PmDE	-23.0		Tycho2	2191-01429-1

Tycho2

Tycho2	2191-01429-1	Pflag		RAmdeg	321.18434509	DEmdeg	25.92716634
PmRA	-23.2	PmDE	-23.3	E RAmdeg	13	E DEmdeg	16
E pmRA	1.4	E pmDE	1.4	EpRAm	1990.48	EpDEm	1988.51
Num	7	Q RAmdeg	1.3	Q DEmdeg	0.5	Q pmRA	1.4
Q pmDE	0.5	BTmag	10.672	E BTmag	0.035	VTmag	9.536
E VTmag	0.020	Prox	999	TYC	T	HIP
CCDM		RAdeg	321.18440417	DEdeg	25.92722111	EpRA 1990	1.79
EpDE 1990	1.53	E RAdeg	13.1	E DEdeg	17.6	Posflg
Corr	0.1

21247+2555 B

Componente originario normalizzato	AB		Coord arcsec 2000	212445.49+255607.7		Mag	12.78		PmRA	-31.00
PmDE	-18.0		Calc delta mag	3.24		Calc coord	yes