01495+5645 A   950AB

Coord 2000	01495+5645		Discov num	A   950		Comp	AB		Coord arcsec 2000	01 49 30.53 +56 44 50.9
Date first	1905		Date last	2008		Obs	24
Pa first	118		Pa last	289		P.A. Now (θ)	299.6°
Sep first	0.4		Sep last	0.3		Sep. Now (ρ)	0.28"
Mag pri	9.40		Mag sec	9.90		delta mag (ΔM)	0.5		Spectral class	F8 (yellow-white)
Pri motion ra	+014		Sec motion ra
Pri motion dec	-046		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		22652	01495+5645	A 950	AB	1905	2008	24	300	0.3	9.40	9.90	0.50	Y	<===
Show		22652	01495+5645	HJ 2082	AB,C	1831	2016	21	127	16.1	8.93	10.10	1.17

Triple system
4 visible stars in this system

Precise pa	289.2		Precise sep	0.258		Constellation	Cassiopeia		SAO	22652
Tycho2	3692-01400-1		Gaia DR2	6949074560		HD	236885		ADS	1437
last precise pa	289.2		last precise sep	0.258

Period (P)	197y		Periastron (T)	2037y		Semi-major axis (a)	0.345a
Eccentricity (e)	0.19		Inclination (i)	64°		Longitude of periastron (ω)	208°
Node (Ω)	127.2°		Note			Grade	4	(1=Definitive, 9=Indet.)
Equinox			Last observation

label rho theta 2000 0.204 268.6 2001 0.209 270.8 2002 0.214 272.9 2003 0.219 274.9 2004 0.224 276.8 2005 0.229 278.6 2006 0.234 280.4 2007 0.239 282.0 2008 0.244 283.6 2009 0.248 285.2 2010 0.252 286.7 2011 0.257 288.1 2012 0.261 289.5 2013 0.264 290.9 2014 0.268 292.2 2015 0.271 293.5 2016 0.274 294.8 2017 0.277 296.0 2018 0.279 297.2 2019 0.281 298.4 2020 0.283 299.6 2021 0.284 300.7 2022 0.285 301.9 2023 0.286 303.0 2024 0.286 304.2 2025 0.286 305.3 2026 0.285 306.5 2027 0.284 307.6 2028 0.283 308.8 2029 0.281 310.0 2030 0.279 311.2 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
01495+5645	A 950	AB	1996	21	260	0.2	9.40	9.90	F8	O	014930.53+564450.9
01495+5645	A 950	AB	2007	22	280	0.2	9.40	9.90	F8	O	014930.53+564450.9
01495+5645	A 950	AB	2008	24	289	0.3	9.40	9.90	F8	O	014930.53+564450.9

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