00458+5459 WAL   9AD

Coord 2000	00458+5459		Discov num	WAL   9		Comp	AD		Coord arcsec 2000	00 45 50.79 +54 58 40.8
Date first	1917		Date last	2015		Obs	19
Pa first	100		Pa last	93		P.A. Now (θ)	93°
Sep first	52.4		Sep last	41.5		Sep. Now (ρ)	41.5"
Mag pri	7.87		Mag sec	11.48		delta mag (ΔM)	3.61		Spectral class	F8V (yellow-white)
Pri motion ra	+096		Sec motion ra	+003
Pri motion dec	-077		Sec motion dec	-001
Notes	N W (See Notes, )

rPM=0.976 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		21682	00458+5459	ARG 2	AB	1901	2013	31	46	2.3	7.87	9.81	1.94
Show		21682	00458+5459	ARG 2	AC	1907	2018	20	64	15.6	7.87	12.70	4.83
Show		21682	00458+5459	WAL 9	AD	1917	2015	19	93	41.5	7.87	11.48	3.61		<===
Show		21682	00458+5459	ES 43	BC	1901	2015	13	64	15.9	9.81	12.70	2.89

Quadruple system
4 visible stars in this system

Precise pa	92.9		Precise sep	41.466		Constellation	Cassiopeia		SAO	21682
HIP	3589		Tycho2	3659-01376-1		Gaia DR2	1431676288		HD	4277
BD	BD+54 144		Distance	52.52		Distance ly	171.32

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00458+5459	WAL 9	AD	2006	11	94	41.7	7.87	11.48		D	004550.79+545840.8
00458+5459	WAL 9	AD	2010	12	93	41.3	7.87	11.48		N D	004550.79+545840.8
00458+5459	WAL 9	AD	2011	16	93	41.8	7.87	11.48		N D	004550.79+545840.8
00458+5459	WAL 9	AD	2013	18	95	40.8	7.87	11.48	F8V	N	004550.79+545840.8
00458+5459	WAL 9	AD	2015	19	93	41.5	7.87	11.48	F8V	N W	004550.79+545840.8

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