00321+6715 MCY 1 Aa,Ab

00^h 32^m 29.43^s +67° 14' 08.8" P.A. 276.00 sep 0.3 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	2015	Obs	46
Pa first	43	Pa last	276	P.A. Now (θ)	86.5°
Sep first	0.5	Sep last	0.31	Sep. Now (ρ)	0.42"
Mag pri	10.30	Mag sec	13.40	delta mag (ΔM)	3.1	Spectral class	M2V+M4V (red/red)
Pri motion ra	+174	Sec motion ra
Pri motion dec	-035	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

2015

276

0.3

10.30

13.40

3.10

<===

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V547 Cas

00 32 29 +67 14 09

VYS 2 AB

2020

105

186

3.5

10.62

12.20

1.58

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Var name	V547 Cas	Constellation	Cassiopeia	HIP	2552	Tycho2	4027-00803-1
ADS	440	GL	Gl 22A	BD	BD+66 34	Distance	10.07
Distance ly	32.85

ORBITAL ELEMENTS

Period (P)	15.4275y	± 0.0054	Periastron (T)	57447d (2016.16y)	± 5.2	Semi-major axis (a)	510.26m	± 0.74
Eccentricity (e)	0.1576	± 0.0013	Inclination (i)	44.29°	± 0.15	Longitude of periastron (ω)	104.9°	± 0.53
Node (Ω)	176.75°	± 0.21	Notes	n		Reference	MnA2019
Equinox			Last observation	2015		Grade	2	(1=Definitive, 9=Indet.)

label	theta	rho
2000	254.7	0.315
2001	298.1	0.331
2002	330.3	0.407
2003	352.4	0.470
2004	10.8	0.490
2005	29.1	0.475
2006	49.4	0.444
2007	72.6	0.422
2008	96.8	0.425
2009	119.2	0.455
2010	138.3	0.495
2011	154.7	0.525
2012	170.0	0.529
2013	186.2	0.494
2014	206.7	0.421
2015	237.2	0.337
2016	280.2	0.312
2017	318.2	0.373
2018	343.7	0.448
2019	3.1	0.487
2020	21.1	0.484
2021	40.4	0.457
2022	62.4	0.429
2023	86.5	0.420
2024	110.0	0.440
2025	130.5	0.478
2026	147.9	0.515
2027	163.5	0.531
2028	179.0	0.514
2029	197.1	0.456
2030	222.5	0.370

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

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

SUSPECTED ORBITAL ELEMENTS

Identifier	00321+6715 VYS 2 B
coord_arcsec_2000	003229.43+671408.4

Period (P)	15y	± 0.5	Periastron (T)	2010y	± 0.5	Semi-major axis (a)	0.348a	± 0.01
Eccentricity (e)	0.083	± 0.05	Inclination (i)	47°	± 5	Longitude of periastron (ω)	347°	± 5
Node (Ω)	175°	± 5	Notes	n		Reference	Ana2011
Equinox	2000		Last observation			Grade	9	(1=Definitive, 9=Indet.)

label	theta	rho
2000	299.1	0.272
2001	321.8	0.321
2002	338.7	0.360
2003	353.1	0.376
2004	7.4	0.363
2005	24.1	0.323
2006	46.7	0.270
2007	78.7	0.234
2008	114.9	0.242
2009	144.1	0.282
2010	166.1	0.315
2011	185.5	0.316
2012	207.1	0.287
2013	234.7	0.250
2014	268.4	0.241
2015	299.1	0.272
2016	321.8	0.321
2017	338.7	0.360
2018	353.1	0.376
2019	7.4	0.363
2020	24.1	0.323
2021	46.7	0.270
2022	78.7	0.234
2023	114.9	0.242
2024	144.1	0.282
2025	166.1	0.315
2026	185.5	0.316
2027	207.1	0.287
2028	234.7	0.250
2029	268.4	0.241
2030	299.1	0.272

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

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