02050+6423 BU  873AB

Coord 2000	02050+6423		Discov num	BU  873		Comp	AB		Coord arcsec 2000	02 05 01.46 +64 23 08.2
Date first	1880		Date last	1991		Obs	11
Pa first	29		Pa last	25		P.A. Now (θ)	25°
Sep first	2.0		Sep last	2.2		Sep. Now (ρ)	2.2"
Mag pri	7.18		Mag sec	10.72		delta mag (ΔM)	3.54		Spectral class	B1III (blue-white)
Pri motion ra	+000		Sec motion ra	-001
Pri motion dec	-006		Sec motion dec	-002
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		12110	02050+6423	BU 873	AB	1880	1991	11	25	2.2	7.18	10.72	3.54		<===
Show		12110	02050+6423	BU 873	AC	1904	2003	6	145	87.5	7.18	12.17	4.99

Triple system
3 visible stars in this system

Constellation	Cassiopeia		SAO	12110		HIP	9720		Tycho2	4041-01744-1
HD	12509		BD	BD+63 281		Distance	4761.9		Distance ly	15533.32
last precise pa	25.1		last precise sep	2.16

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02050+6423	BU 873	AB	1991	11	25	2.2	7.18	10.72	B1III	D	020501.46+642308.2

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