21476+2439 GRV 506 BC

21^h 47^m 34.58^s +24° 40' 14.1" P.A. 162.00 sep 72.4 mag 11.55,12.57

Coord 2000	21476+2439	Discov num	GRV 506	Comp	BC	Coord arcsec 2000	21 47 34.58 +24 40 14.1
Date first	1891	Date last	2015	Obs	8
Pa first	162	Pa last	162.1	P.A. Now (θ)	162.1°
Sep first	73.3	Sep last	72.409	Sep. Now (ρ)	72.409"
Mag pri	11.55	Mag sec	12.57	delta mag (ΔM)	1.02	Spectral class
Pri motion ra	-017	Sec motion ra	-019
Pri motion dec	-024	Sec motion dec	-017
Notes	S (Parallax indidates non-physical)

rPM=0.248 (< 0.3, Physical double)

This double is not physical.

21476+2439 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			21 47 39 +24 39 06	GRV 507 AB	2015	7	317	92.7	10.90	11.55	0.65
Show			21 47 39 +24 39 06	GRV 507 AC	2015	6	268	41.1	10.90	12.57	1.67
Show			21 47 35 +24 40 14	GRV 506 BC	2015	8	162	72.4	11.55	12.57	1.02		<===

Triple system
3 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Pegasus

Tycho2

2206-01648-1

Gaia DR2

1796175015613807872

WDS 21476+2439 GRV 506 BC : 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
21476+2439	GRV 506	BC	2000	1	162	72.5	11.30	12.30			214734.58+244014.1
21476+2439	GRV 506	BC	2001	5	162	72.5	11.30	12.30		D	214734.58+244014.1
21476+2439	GRV 506	BC	2015	5	162	72.4	11.55	12.57			214734.58+244014.1

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

WDS 21476+2439 GRV 506 BC : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 21476+2439 GRV 506 BC : MEASURES

No records found.

WDS 21476+2439 : 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 21476+2439 : ALADIN DSS IMAGE @ 21^h 47^m 34.58^s +24° 40' 14.1"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 21476+2439 GRV 506 BC : 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		21476+2439	GRV 506	BC	162	72.4	1
Show		21476+2439	GRV 507	AC	268	41.1	2
Show		21476+2439	GRV 507	AB	317	92.7	2
Show		21482+2441	POU5509		215	21.3	9
Show		21478+2452	POU5507		320	14.8	12
Show		21484+2444	POU5511		114	9.3	12
Show		21488+2439	TDT3169		350	0.9	17
Show		21463+2448	POU5499		2	5.2	20
Show		21462+2439	POU5495		335	5.5	20
Show		21461+2448	TDT3149		218	0.7	23
Show		21491+2432	POU5514		73	4.6	23
Show		21490+2456	POU5512	AB	5	11.6	24
Show		21490+2456	POU5513	AC	65	11.3	24
Show		21474+2505	POU5504		90	15.7	26
Show		21456+2438	POU5489		191	17.2	29
Show		21468+2507	POU5502		350	17.2	29
Show		21480+2508	POU5508		338	3.9	29
Show		21496+2431	POU5520		308	19.4	29
Show		21495+2458	POU5519		249	8.3	31
Show		21482+2410	POU5510		9	17.2	32
Show		21472+2409	HDS3103		117	0.6	33
Show		21469+2511	POU5503		339	4.3	33
Show		21500+2437	POU5522		142	4.4	34
Show		21456+2503	POU5490		54	14.4	35
Show		21454+2501	POU5487		99	15.7	36
Show		21501+2433	GRV 512		191	68.1	36
Show		21456+2417	POU5491	AB	6	10.2	36
Show		21456+2417	POU5492	AC	49	20.0	36
Show		21450+2450	POU5480		27	10.0	37
Show		21464+2514	POU5500		172	9.6	37
Show		21450+2431	POU5478		327	15.9	37
Show		21453+2501	BKO 491	BC	263	3.1	37
Show		21453+2501	POU5486	AB	116	8.2	37
Show		21453+2501	BKO 491	AC	132	5.9	37
Show		21474+2404	POU5505		225	5.1	38
Show		21493+2412	POU5516		302	15.4	38
Show		21468+2405	POU5501		295	12.9	38
Show		21494+2509	POU5517		232	6.0	38
Show		21451+2457	POU5483		198	3.5	38
Show		21450+2457	POU5481		199	17.9	38
Show		21498+2503	POU5521		75	15.3	38
Show		21447+2440	POU5476	AB	14	19.1	39
Show		21461+2517	POU5496		249	34.3	42
Show		21506+2447	POU5527	AB	97	8.0	42
Show		21506+2447	POU5528	AC	160	9.1	42
Show		21493+2404	POU5515		317	7.7	43
Show		21450+2505	POU5479		34	11.2	43
Show		21502+2505	POU5523		281	2.6	44
Show		21452+2509	POU5485		175	5.5	44
Show		21473+2524	POU5506		189	12.7	45
Show		21449+2414	POU5477		58	15.8	46

WDS 21476+2439 : COMPONENTS

	A	B
B	pa=317.0° sep=92.80"
C	pa=268.0° sep=37.35"	pa=159.5° sep=73.89"

21476+2439 A

Coord arcsec 2000	214739.22+243906.2		Mag	10.9		PmRA	-13.00		PmDE	-12.0
Tycho2	2206-00530-1

Tycho2

Tycho2	2206-00530-1	Pflag		RAmdeg	326.91344172	DEmdeg	24.65172958
PmRA	-14.5	PmDE	-11.8	E RAmdeg	54	E DEmdeg	52
E pmRA	1.8	E pmDE	1.8	EpRAm	1981.71	EpDEm	1982.19
Num	3	Q RAmdeg	0.3	Q DEmdeg	0.6	Q pmRA	0.3
Q pmDE	0.6	BTmag	11.936	E BTmag	0.117	VTmag	10.848
E VTmag	0.077	Prox	928	TYC	T	HIP
CCDM		RAdeg	326.91347861	DEdeg	24.65175722	EpRA 1990	1.56
EpDE 1990	1.65	E RAdeg	56.9	E DEdeg	55.1	Posflg
Corr	-0.2

21476+2439 B

Coord arcsec 2000	214734.58+244014.1		Coord calc	214734.58+244014.1		Mag	11.55		PmRA	-17.00
PmDE	-24.0		Tycho2	2206-01648-1		Calc delta mag	0.65

Tycho2

Tycho2	2206-01648-1	Pflag		RAmdeg	326.89410939	DEmdeg	24.67058612
PmRA	-18.4	PmDE	-22.0	E RAmdeg	75	E DEmdeg	75
E pmRA	2.0	E pmDE	2.0	EpRAm	1973.82	EpDEm	1973.74
Num	3	Q RAmdeg	0.4	Q DEmdeg	0.8	Q pmRA	0.4
Q pmDE	0.9	BTmag	12.256	E BTmag	0.176	VTmag	11.664
E VTmag	0.150	Prox	928	TYC		HIP
CCDM		RAdeg	326.89415611	DEdeg	24.67063667	EpRA 1990	1.56
EpDE 1990	1.65	E RAdeg	83.4	E DEdeg	82.6	Posflg
Corr	-0.2

21476+2439 C

Coord arcsec 2000	214736.48+243904.9		Mag	12.57		PmRA	-19.00		PmDE	-17.0
Calc delta mag	1.67		Calc coord	yes