00321+6715 MCY 1Aa,Ab

00^h 32^m 29.43^s +67° 14' 08.8" P.A. 217.80 sep 0.5 mag 10.30,13.40 Sp M2V+M4V dist. 10.07 pc (32.85 l.y.)

Coord 2000	00321+6715	Discov num	MCY 1	Comp	Aa,Ab	Coord arcsec 2000	00 32 29.43 +67 14 08.8
Date first	1989	Date last	2014	Obs	32
Pa first	43	Pa last	222	P.A. Now (θ)	217.8°
Sep first	0.5	Sep last	0.4	Sep. Now (ρ)	0.47"
Mag pri	10.30	Mag sec	13.40	delta mag (ΔM)	3.1	Spectral class	M2V+M4V (red/red)
Pri motion ra	+172	Sec motion ra
Pri motion dec	-024	Sec motion dec
Notes	N O P (See Notes, Orbital solution, 100-year proper motion)

This double is physical.

00321+6715 SYSTEM COMPONENTS

Show

name

SAO

coord

wds_name

last

obs

sep

mag1

mag2

d_mag

orb

current

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00 32 29 +67 14 09

MCY 1 Aa,Ab

2014

218

0.5

10.30

13.40

3.10

<===

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V547 Cas

00 32 29 +67 14 09

VYS 2 AB

2019

102

187

3.6

10.62

12.20

1.58

Triple system
2 visible stars in this system

OTHER CATALOGS AND DESIGNATIONS

Precise pa	222.2	Precise sep	0.369	Var name	V547 Cas	Constellation	Hydra
HIP	2552	Tycho2	4027-00803-1	ADS	440	GL	Gl 22A
BD	BD+66 34	Distance	10.07	Distance ly	32.85	last precise pa	222.2
last precise sep	0.369

ORBITAL ELEMENTS

Period (P)	5694.2d (15.59y)	± 14.9	Periastron (T)	51817.2d (2000.747y)	± 5	Semi-major axis (a)	0.5106a	± 0.0007
Eccentricity (e)	0.163	± 0.002	Inclination (i)	43.7°	± 0.2	Longitude of periastron (ω)	284.5°	± 0.5
Node (Ω)	178.3°	± 0.2	Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation

label	rho	theta
2000	0.317	75.1
2001	0.330	118.4
2002	0.404	150.9
2003	0.468	173.3
2004	0.490	191.8
2005	0.479	209.9
2006	0.451	229.8
2007	0.429	252.1
2008	0.430	275.7
2009	0.456	297.8
2010	0.493	316.9
2011	0.524	333.4
2012	0.531	348.7
2013	0.503	4.6
2014	0.436	24.0
2015	0.351	52.1
2016	0.310	93.2
2017	0.358	133.4
2018	0.434	160.9
2019	0.482	181.1
2020	0.489	199.1
2021	0.468	217.8
2022	0.440	238.7
2023	0.426	261.8
2024	0.438	285.0
2025	0.471	306.0
2026	0.508	323.9
2027	0.530	339.8
2028	0.524	355.0
2029	0.479	11.9
2030	0.401	34.0

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

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

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00321+6715	MCY 1	Aa,Ab	2005	16	46	0.5	10.30		dM2.5e	NO P	003229.43+671408.8
00321+6715	MCY 1	Aa,Ab	2008	18	33	0.2	10.30		dM2.5e	NO P	003229.43+671408.8
00321+6715	MCY 1	Aa,Ab	2014	21	222	0.4	6.20	8.20	dM2.5e	NOPK	003229.43+671408.8

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