00533+5711 BKO 140AC

Coord 2000	00533+5711		Discov num	BKO 140		Comp	AC		Coord arcsec 2000	00 53 17.65 +57 10 38.5
Date first	1998		Date last	2015		Obs	7
Pa first	92		Pa last	93		P.A. Now (θ)	93°
Sep first	13.3		Sep last	13.4		Sep. Now (ρ)	13.4"
Mag pri	11.48		Mag sec	15.00		delta mag (ΔM)	3.52		Spectral class
Pri motion ra	+000		Sec motion ra
Pri motion dec	-002		Sec motion dec
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		21799	00533+5711	STI1463	AB	1918	2015	10	19	10.5	11.48	13.00	1.52
Show		21799	00533+5711	BKO 140	AC	1998	2015	7	93	13.4	11.48	15.00	3.52		<===

Triple system
3 visible stars in this system

Precise pa	93.1		Precise sep	13.359		Constellation	Cassiopeia		SAO	21799
Tycho2	3663-02233-1		Gaia DR2	0043264896

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00533+5711	BKO 140	AC	2003	2	93	13.2	11.48	15.00		D	005317.65+571038.5
00533+5711	BKO 140	AC	2010	4	94	13.2	11.48	15.00			005317.65+571038.5
00533+5711	BKO 140	AC	2015	4	93	13.4	11.48	15.00			005317.65+571038.5

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