00288+5756 OSO   5AD

Coord 2000	00288+5756		Discov num	OSO   5		Comp	AD		Coord arcsec 2000	00 28 47.69 +57 56 02.2
Date first	1994		Date last	2015		Obs	3
Pa first	258		Pa last	266		P.A. Now (θ)	266°
Sep first	24.3		Sep last	30.8		Sep. Now (ρ)	30.8"
Mag pri	14.28		Mag sec	18.70		delta mag (ΔM)	4.42		Spectral class
Pri motion ra	+298		Sec motion ra
Pri motion dec	+055		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			00288+5756	OSO 5	AB	1994	2015	3	32	5.6	14.28	20.00	5.72
Show			00288+5756	OSO 5	AC	1994	2015	4	273	24.6	14.28	15.39	1.11
Show			00288+5756	OSO 5	AD	1994	2015	3	266	30.8	14.28	18.70	4.42		<===
Show			00288+5756	OSO 5	AE	1994	2015	3	257	30.9	14.28	17.80	3.52

Quintuple system
5 visible stars in this system

Precise pa	266.1		Precise sep	30.75		Constellation	Cassiopeia		last precise pa	266.1
last precise sep	30.75

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00288+5756	OSO 5	AD	1994	1	258	24.3	14.46	18.50		N D	002847.67+575602.1
00288+5756	OSO 5	AD	1998	2	268	25.7	14.28	18.70		N D	002847.69+575602.2
00288+5756	OSO 5	AD	2015	3	266	30.8	14.28	18.70		N	002847.69+575602.2

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