01036+6341 MLR  87AB

Coord 2000	01036+6341		Discov num	MLR  87		Comp	AB		Coord arcsec 2000	01 03 37.18 +63 41 16.0
Date first	1970		Date last	2008		Obs	27
Pa first	130		Pa last	19		P.A. Now (θ)	269.2°
Sep first	0.2		Sep last	0.3		Sep. Now (ρ)	0.1"
Mag pri	8.68		Mag sec	9.51		delta mag (ΔM)	0.83		Spectral class	G0 (yellow)
Pri motion ra	-025		Sec motion ra
Pri motion dec	-009		Sec motion dec
Notes	O (Orbital solution)

Visually invisible, K-band or other infrared star This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		11549	01036+6341	MLR 87	AB	1970	2008	27	269	0.1	8.68	9.51	0.83	Y	<===
Show		11549	01036+6341	MLB 246	AB,C	1905	2003	6	313	31.4	8.21	11.41	3.20
Show		11549	01036+6341	MLB 246	CD	1922	2015	8	219	4.0	11.40	12.80	1.40
Show		11549	01036+6341	DAM 303	CE	1999	2015	3	114	8.6	11.40	15.20	3.80

Quintuple system
6 visible stars in this system

Precise pa	19.3		Precise sep	0.267		Constellation	Cassiopeia		SAO	11549
HIP	4963		Tycho2	4021-00049-1		Gaia DR2	8240058752		HD	6129
BD	BD+62 191		Distance	91.32		Distance ly	297.89		last precise pa	19.3
last precise sep	0.267

Period (P)	55.97y		Periastron (T)	2020.45y		Semi-major axis (a)	0.238a
Eccentricity (e)	0.513		Inclination (i)	145.1°		Longitude of periastron (ω)	246.4°
Node (Ω)	139.7°		Note			Grade	4	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2003

label rho theta 2000 0.280 55.5 2001 0.275 52.2 2002 0.270 48.7 2003 0.264 45.1 2004 0.259 41.4 2005 0.253 37.4 2006 0.247 33.3 2007 0.240 29.0 2008 0.233 24.4 2009 0.226 19.5 2010 0.219 14.4 2011 0.211 8.8 2012 0.202 2.8 2013 0.193 356.3 2014 0.184 349.0 2015 0.173 341.0 2016 0.161 331.7 2017 0.147 320.9 2018 0.132 307.7 2019 0.116 290.9 2020 0.103 269.2 2021 0.097 242.9 2022 0.102 216.4 2023 0.117 194.6 2024 0.136 178.4 2025 0.156 166.3 2026 0.176 157.0 2027 0.194 149.5 2028 0.211 143.3 2029 0.226 137.9 2030 0.239 133.2 Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01036+6341	MLR 87	AB	2007	26	31	0.2	8.68	9.51	G0	OD	010337.18+634116.0
01036+6341	MLR 87	AB	2008	27	19	0.3	8.68	9.51	G0	OD	010337.18+634116.0

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