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)	165.5°
Sep first	0.0		Sep last	0.0		Sep. Now (ρ)	0.04"
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		Constellation	Cassiopeia		SAO	11424
HIP	3951		Tycho2	4024-02330-1		Gaia DR2	4007632384		HD	4775
HR	233		BD	BD+63 99		Distance	196.08		Distance ly	639.61
last precise pa	315.4		last precise sep	0.041

Period (P)	5.7253y		Periastron (T)	1982.3495y		Semi-major axis (a)	0.0286a
Eccentricity (e)	0.5343		Inclination (i)	142.6°		Longitude of periastron (ω)	323.61°
Node (Ω)	302.7°		Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2017

label rho theta 2000 0.018 259.0 2001 0.029 190.6 2002 0.039 161.4 2003 0.041 140.7 2004 0.033 116.8 2005 0.012 34.4 2006 0.020 232.4 2007 0.033 180.7 2008 0.041 155.4 2009 0.040 135.0 2010 0.029 106.8 2011 0.013 327.8 2012 0.024 212.8 2013 0.035 172.5 2014 0.041 149.8 2015 0.038 128.9 2016 0.023 92.2 2017 0.016 280.9 2018 0.027 198.1 2019 0.038 165.5 2020 0.042 144.2 2021 0.036 122.0 2022 0.016 65.8 2023 0.018 248.5 2024 0.031 186.8 2025 0.040 159.2 2026 0.041 138.7 2027 0.032 113.6 2028 0.012 10.4 2029 0.022 224.6 2030 0.034 177.6 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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