00550+5858 BU 1098AC

Coord 2000	00550+5858		Discov num	BU 1098		Comp	AC		Coord arcsec 2000	00 55 00.19 +58 58 22.1
Date first	1910		Date last	2003		Obs	6
Pa first	128		Pa last	125		P.A. Now (θ)	125°
Sep first	93.0		Sep last	93.3		Sep. Now (ρ)	93.3"
Mag pri	4.96		Mag sec	12.89		delta mag (ΔM)	7.93		Spectral class	K2III (yellow-orange)
Pri motion ra	-034		Sec motion ra	+000
Pri motion dec	-041		Sec motion dec	-002
Notes	N (See Notes)

rPM=0.971 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Ups1 Cas	21832	00550+5858	BU 1098	AB	1889	2003	7	61	17.8	4.96	12.50	7.54
Show		21832	00550+5858	BU 1098	AC	1910	2003	6	125	93.3	4.96	12.89	7.93		<===

Triple system
3 visible stars in this system

Precise pa	125		Precise sep	93.341		Cdsa2 id	BU 1098 AC		Constellation	Cassiopeia
SAO	21832		HIP	4292		Tycho2	3680-01840-1		HD	5234
HR	253		GC	1086		BD	BD+58 134		Bayer	Upsilon 1 Cassiopeiae
Bayer name	Ups1 Cas		Flamsteed	26 Cassiopeiae		Flamsteed name	26 Cas		Ra deg	0.9167194444444444
De deg	58.97280555555556		Distance	100.7		Distance ly	328.48		last precise pa	125
last precise sep	93.341

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00550+5858	BU 1098	AC	1998	5	126	93.6	5.00	11.80		N D	005500.19+585822.1
00550+5858	BU 1098	AC	2003	6	125	93.3	5.00	11.80		N D	005500.19+585822.1

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