01281+6317 HDS 192Aa,Ab

Coord 2000	01281+6317		Discov num	HDS 192		Comp	Aa,Ab		Coord arcsec 2000	01 28 03.15 +63 16 57.2
Date first	1991		Date last	2008		Obs	2
Pa first	29		Pa last	28		P.A. Now (θ)	28°
Sep first	0.7		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	8.90		Mag sec	11.59		delta mag (ΔM)	2.69		Spectral class	O9.5IV (blue)
Pri motion ra	-002		Sec motion ra
Pri motion dec	+000		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		11770	01281+6317	HDS 192	Aa,Ab	1991	2008	2	28	0.7	8.90	11.59	2.69		<===
Show		11770	01281+6317	MZA 4	AB	1999	2015	3	24	5.9	8.90	15.30	6.40

Triple system
2 visible stars in this system

Precise pa	27.5		Precise sep	0.656		Constellation	Cassiopeia		SAO	11770
HIP	6844		Tycho2	4035-00573-1		Gaia DR2	2753252096		HD	8768
BD	BD+62 254		Distance	2631.58		Distance ly	8584.21

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01281+6317	HDS 192	Aa,Ab	2008	2	28	0.7	8.90	11.59	O9.5IV	D	012803.15+631657.2

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