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12451+2143
GRV 858

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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

12451+2143 GRV 858

12^h 45^m 07.82^s +21° 43' 22.2" P.A. 114.00 sep 62.4 mag 11.81,13.52

Coord 2000	12451+2143	Discov num	GRV 858	Comp		Coord arcsec 2000	12 45 07.82 +21 43 22.2
Date first	1892	Date last	2015	Obs	9
Pa first	114	Pa last	114.2	P.A. Now (θ)	114.2°
Sep first	62.3	Sep last	62.403	Sep. Now (ρ)	62.403"
Mag pri	11.81	Mag sec	13.52	delta mag (ΔM)	1.71	Spectral class
Pri motion ra	-017	Sec motion ra	-019
Pri motion dec	-012	Sec motion dec	-012
Notes

rPM=0.089 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Coma Berenices

Tycho2

1448-01451-1

Gaia DR2

3954703017395718016

WDS 12451+2143 GRV 858 : 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
12451+2143	GRV 858		2000	3	114	62.4	11.60	13.20		D	124507.82+214322.2
12451+2143	GRV 858		2001	4	114	62.4	11.60	13.20		D	124507.82+214322.2
12451+2143	GRV 858		2010	4	114	62.4	11.81	13.52			124507.82+214322.2
12451+2143	GRV 858		2015	5	114	62.4	11.81	13.52			124507.82+214322.2

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

WDS 12451+2143 GRV 858 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12451+2143 GRV 858 : MEASURES

No records found.

WDS 12451+2143 : 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 12451+2143 : ALADIN DSS IMAGE @ 12^h 45^m 07.82^s +21° 43' 22.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12451+2143 GRV 858 : 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		12451+2143	GRV 858		114	62.4
Show		12444+2200	HDS1783		112	0.3	20
Show		12440+2110	STT 253		238	6.5	37
Show		12431+2117	LDS5758		137	12.9	40
Show		12481+2204	AZC 77		329	28.3	47
Show		12418+2132	SLW 760		183	25.7	49
Show		12415+2136	LDS4249		30	6.6	52
Show		12492+2147	STF1680		335	2.9	58
Show		12471+2237	SHY 612		23	999.9	61
Show		12403+2133	AZC 76		98	14.9	68
Show		12454+2252	SLW 768		153	41.9	69
Show		12403+2131	LDS 939		91	83.1	69
Show		12406+2223	LDS4246		253	116.7	75
Show		12496+2053	LDS5760		159	11.1	81
Show		12401+2049	OSO 47	AB	35	14.7	89
Show		12401+2049	OSO 47	AC	109	112.6	89
Show		12514+2206	CFN 10		92	1.3	91
Show		12515+2207	LDS 940	AB	53	84.7	91
Show		12515+2207	RAO 284	AC	90	1.3	91
Show		12390+2240	KUI 60		228	34.2	102
Show		12507+2032	HU 640	AB	259	0.5	106
Show		12507+2032	TOK 561	AC	119	999.9	106
Show		12386+2043	HDS1771		110	0.3	110
Show		12372+2112	STF1663		65	0.5	116
Show		12460+2340	COU 394		107	0.8	117
Show		12533+2115	STF1687	AB	203	1.2	118
Show		12533+2115	STF1687	AC	127	28.5	118
Show		12522+2247	GIC 111		199	230.8	119
Show		12381+2257	CVR1455		345	3.3	123
Show		12382+2304	LDS4239		111	185.5	126
Show		12363+2113	FMR 108		311	37.1	128
Show		12387+2318	GUR 32		142	0.8	130
Show		12508+2327	CVR1472		47	4.8	130
Show		12396+1956	BGH 40	AB	148	415.6	130
Show		12396+1956	LDS1330	BC	197	104.1	133
Show		12547+2206	MET 9		50	1.7	135
Show		12452+1927	SLW 767		101	132.9	136
Show		12435+2400	KPP3877		270	3.1	139
Show		12541+2255	LDS5762		26	12.6	145
Show		12494+1931	TDS 679		168	1.1	146
Show		12374+2322	COU 392		335	2.1	146
Show		12372+2009	CBL 54		284	15.8	146
Show		12391+2344	POU3129	BC	59	4.8	147
Show		12465+2409	ENG 48		15	184.5	147
Show		12368+2014	AG 180		357	0.4	147
Show		12391+2344	POU3129	AB	137	13.3	147
Show		12490+2401	CVR 665		155	28.0	149
Show		12349+2238	WRH 12		8	0.4	153
Show		12358+2023	SLW 739		229	18.6	154
Show		12424+2413	SLW 762		141	24.2	155
Show		12562+2157	SHN 168		-1	0.1	156

WDS 12451+2143 : COMPONENTS

	A
B	pa=115.8° sep=58.74"

12451+2143 A

Componente originario normalizzato	AB		Coord arcsec 2000	124507.82+214322.2		Mag	11.81		PmRA	-17.00
PmDE	-12.0		Tycho2	1448-01451-1

Tycho2

Tycho2	1448-01451-1	Pflag		RAmdeg	191.28255656	DEmdeg	21.72283881
PmRA	-17.3	PmDE	-9.2	E RAmdeg	62	E DEmdeg	69
E pmRA	1.6	E pmDE	1.7	EpRAm	1973.45	EpDEm	1968.60
Num	3	Q RAmdeg	0.9	Q DEmdeg	0.5	Q pmRA	0.9
Q pmDE	0.5	BTmag	12.239	E BTmag	0.141	VTmag	11.985
E VTmag	0.162	Prox	999	TYC		HIP
CCDM		RAdeg	191.28259944	DEdeg	21.72286028	EpRA 1990	1.73
EpDE 1990	1.55	E RAdeg	69.3	E DEdeg	79.0	Posflg
Corr	0.1

12451+2143 B

Componente originario normalizzato	AB		Coord arcsec 2000	124511.61+214256.6		Mag	13.52		PmRA	-19.00
PmDE	-12.0		Calc delta mag	1.71		Calc coord	yes