00507+6415 MCA   2

Coord 2000	00507+6415		Discov num	MCA   2		Comp			Coord arcsec 2000	00 50 43.57 +64 14 51.3
Date first	1978		Date last	2014		Obs	28
Pa first	171		Pa last	315		P.A. Now (θ)	200.4°
Sep first	0.0		Sep last	0.0		Sep. Now (ρ)	0.03"
Mag pri	5.70		Mag sec	6.80		delta mag (ΔM)	1.1		Spectral class	B9.5V (blue-white)
Pri motion ra	+030		Sec motion ra
Pri motion dec	-012		Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

Precise pa	315.4		Precise sep	0.041		Cdsa2 id	MCA 2		Constellation	Cassiopeia
SAO	11424		HIP	3951		Tycho2	4024-02330-1		HD	4775
HR	233		BD	BD+63 99		Ra deg	0.8454361111111112		De deg	64.24758333333334
Distance	196.08		Distance ly	639.61		last precise pa	315.4		last precise sep	0.041

Period (P)	5.7255y	± 0.0046	Periastron (T)	1982.3463y	± 0.0093	Semi-major axis (a)	0.0341a	± 0.0013
Eccentricity (e)	0.534	± 0.007	Inclination (i)	140.3°	± 9.1	Longitude of periastron (ω)	143.31°	± 0.96
Node (Ω)	125.1°	± 9.7	Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	1994

label rho theta 2000 0.021 262.4 2001 0.034 192.6 2002 0.046 163.1 2003 0.049 142.8 2004 0.039 119.5 2005 0.014 36.6 2006 0.024 235.6 2007 0.038 182.6 2008 0.048 157.2 2009 0.048 137.2 2010 0.034 109.8 2011 0.015 329.3 2012 0.027 215.5 2013 0.041 174.3 2014 0.049 151.6 2015 0.046 131.3 2016 0.027 95.5 2017 0.019 284.0 2018 0.032 200.4 2019 0.044 167.2 2020 0.049 146.2 2021 0.042 124.5 2022 0.018 69.1 2023 0.022 252.0 2024 0.036 188.8 2025 0.047 161.0 2026 0.049 140.8 2027 0.038 116.4 2028 0.013 12.1 2029 0.025 227.7 2030 0.039 179.5 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
00507+6415	MCA 2		2007	21	175	0.1	5.70	6.80	B9.5V	NOD	005043.57+641451.3
00507+6415	MCA 2		2014	28	315	0.0	5.70	6.80	B9.5V	NO	005043.57+641451.3

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