12442+5146 RDR 5

12^h 44^m 14.54^s +51° 45' 33.4" P.A. 281.00 sep 2.3 mag 4.78,8.97 Sp K3+K3+M5

Coord 2000	12442+5146	Discov num	RDR 5	Comp		Coord arcsec 2000	12 44 14.54 +51 45 33.4
Date first	2003	Date last	2018	Obs	9
Pa first	243	Pa last	280.5	P.A. Now (θ)	280.5°
Sep first	1.3	Sep last	2.288	Sep. Now (ρ)	2.288"
Mag pri	4.78	Mag sec	8.97	delta mag (ΔM)	4.19	Spectral class	K3+K3+M5 (yellow-orange/yellow-orange)
Pri motion ra	-379	Sec motion ra
Pri motion dec	-184	Sec motion dec
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

Nature of this double is uncertain.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Canes Venatici

SUSPECTED ORBITAL ELEMENTS

Identifier	12442+5146
coord_arcsec_2000	124414.90+514535.1

Period (P)	270.2108d	± 3.3137	Periastron (T)	48401.4258d (1991.394y)	± 8.9533	Semi-major axis (a)	7.19m	± 0.71
Eccentricity (e)	0		Inclination (i)	48.85°	± 10.2	Longitude of periastron (ω)	0°
Node (Ω)	154.94°	± 13.01	Notes	n		Reference	HIP1997d
Equinox			Last observation	1991		Grade	9	(1=Definitive, 9=Indet.)

label	theta	rho
2000-01-01	10.9	0.006
2001-01-01	151.2	0.007
2002-01-01	287.3	0.005
2003-01-01	32.9	0.005
2004-01-01	164.4	0.007
2005-01-01	306.7	0.006
2006-01-01	61.0	0.005
2007-01-01	178.9	0.007
2008-01-01	321.9	0.007
2009-01-01	90.2	0.005
2010-01-01	197.0	0.006
2011-01-01	335.2	0.007
2012-01-01	113.9	0.006
2013-01-01	221.0	0.005
2014-01-01	348.6	0.007
2015-01-01	131.7	0.007
2016-01-01	250.3	0.005
2017-01-01	4.0	0.006
2018-01-01	146.1	0.007
2019-01-01	278.2	0.005
2020-01-01	23.6	0.005
2021-01-01	159.3	0.007
2022-01-01	299.9	0.006
2023-01-01	49.6	0.005
2024-01-01	173.0	0.007
2025-01-01	316.4	0.007
2026-01-01	79.4	0.005
2027-01-01	189.4	0.006
2028-01-01	330.2	0.007
2029-01-01	105.6	0.005
2030-01-01	210.9	0.005

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS 12442+5146 RDR 5 : NOTES

discov_num	notes	refcode
GC 17326	Hipparcos astrometric solution assumed circular orbit (e = omega = 0)	HIP1997d

REFERENCES

refcode	metd	author	reference
HIP1997d	orb -	Hipparcos	1997yCat.1239....0E
HIP1997d		Hipparcos Catalog, ESA SP-1200, 1997
HIP1997d		(DMSA/O Orbital Solutions)

DISCOVERER

idgroup	discov	author
1	RDR	Rodriguez, D.R., Zuckerman, B., Melis, C., & Song, I.
6	RDR	Rodriguez, D.R., Duchene, G., Tom, H., Kennedy, G., Mathews, B., Greaves, J., &
6	RDR	Butner, H.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
12442+5146	RDR 5		2009	1	266	1.6	4.78	8.97	K3+K3+M5	K	124414.54+514533.4
12442+5146	RDR 5		2015	3	278	2.0	4.78	8.97	K3+K3+M5	N K	124414.54+514533.4
12442+5146	RDR 5		2018	9	281	2.3	4.78	8.97	K3+K3+M5	N K	124414.54+514533.4

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

WDS 12442+5146 RDR 5 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 12442+5146 RDR 5 : MEASURES

No records found.

WDS 12442+5146 : 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 12442+5146 : ALADIN DSS IMAGE @ 12^h 44^m 14.54^s +51° 45' 33.4"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 12442+5146 RDR 5 : 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		12442+5146	RDR 5		281	2.3
Show		12458+5129	DAM2484		342	2.3	22
Show		12420+5107	ES 728		332	6.3	44
Show		12463+5105	WIS 205		173	999.9	45
Show		12421+5227	LDS3055		8	13.8	47
Show		12496+5151	LDS3061		4	141.0	52
Show		12397+5228	TDS8475		195	0.6	60
Show		12492+5055	ES 730		63	3.6	68
Show		12473+5252	HDS1794		182	0.2	72
Show		12412+5038	CBL 392		138	13.1	74
Show		12407+5030	SLW 754		10	75.2	83
Show		12417+5543	SHY 236	BE	350	999.9	85
Show		12526+5103	COU2189		100	0.9	91
Show		12508+5022	TDS8554		34	0.4	104
Show		12544+5058	SLW 793		128	32.9	107
Show		12334+5228	LDS3051		357	17.9	108
Show		12542+5250	BEM 2		271	4.9	113
Show		12439+4950	BEM 1		204	9.6	115
Show		12524+5017	COU2188		46	0.3	118
Show		12460+4949	STF1679	AB	208	5.9	118
Show		12460+4949	STF1679	AC	37	69.1	118
Show		12417+4945	CVR 662		53	14.7	123
Show		12439+5349	ES 729		227	8.8	123
Show		12437+4942	TDS8505		175	0.5	124
Show		12300+5132	BUP 143	AB	157	120.6	133
Show		12300+5132	BUP 143	AC	333	217.5	133
Show		12300+5132	LEP 56	AD	182	587.7	133
Show		12560+5305	TDS8595		225	0.6	134
Show		12352+5336	CBL 386		76	17.0	138
Show		12294+5154	KPP3872		115	1.8	138
Show		12585+5246	SLW 802		101	23.3	145
Show		12519+5354	CVR1474		295	4.0	147
Show		12421+5415	LDS3056	AB	90	2.0	150
Show		12288+5056	LDS3045		169	18.0	154
Show		12303+5023	LDS3047		190	96.8	156
Show		12313+5332	CVR1443		141	3.2	159
Show		13001+5027	LEP 135		63	4.6	169
Show		12384+4906	TDS8466		183	0.5	169
Show		12265+5229	HDS1751		317	0.4	169
Show		12591+5008	KPP1873		260	14.6	171
Show		12574+5351	WIS 211		200	419.2	174
Show		12574+5351	NSN 636	Aa,Ab	317	1.6	174
Show		12294+5333	LDS3046		354	21.4	174
Show		12579+4948	HU 641		300	0.1	175
Show		12307+5352	ES 726	AB	157	9.4	176
Show		12307+5352	ES 726	AC	177	20.4	176
Show		12307+5352	ABH 78	AD	115	28.2	176
Show		12563+5406	STF1695	AB	280	3.7	178
Show		12563+5406	STF1695	AC	139	131.7	178
Show		12586+4951	HEI 163		234	1.0	178
Show		12271+5017	WIS 203		123	167.2	184

WDS 12442+5146 : COMPONENTS

	A
B	pa=286.7° sep=1.45"

12442+5146 A

Componente originario normalizzato	AB		Coord arcsec 2000	124414.54+514533.4		Mag	4.78		Spectral class	K3 (yellow-orange)
PmRA	-379.00		PmDE	-184.0

CCDM

Ccdm	12442+5146	RComp		Comp	A	Note1
Note2	%	Discov num		DRAs	2.54	DDEs	-26.5
R dRAs	82	Year		Theta		Rho
Obs	1	Vmag	7.0	Sp	K3	PmNote
PmRA	-379	PmDE	-184	Dm number	+52 1650	Cat1	BD
Name2	+52 901	Cat2	AGK2/3	HD	110833	M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	62145

12442+5146 B

Componente originario normalizzato	AB		Coord arcsec 2000	124414.39+514533.8		Mag	8.97		Spectral class	K3 (yellow-orange)
Calc delta mag	4.19		Calc coord	yes