01409+6410 HDS 221AB

Coord 2000	01409+6410		Discov num	HDS 221		Comp	AB		Coord arcsec 2000	01 40 52.76 +64 10 23.1
Date first	1991		Date last	2013		Obs	5
Pa first	233		Pa last	231		P.A. Now (θ)	231°
Sep first	0.7		Sep last	0.7		Sep. Now (ρ)	0.7"
Mag pri	8.38		Mag sec	11.76		delta mag (ΔM)	3.38		Spectral class	O9.5Ib (blue)
Pri motion ra	-002		Sec motion ra
Pri motion dec	+001		Sec motion dec
Notes	N (See Notes)

Visually invisible, K-band or other infrared star 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		11906	01409+6410	HDS 221	AB	1991	2013	5	231	0.7	8.38	11.76	3.38		<===
Show		11906	01409+6410	RAO 32	AC	2000	2015	8	175	24.4	8.38	11.19	2.81

Triple system
3 visible stars in this system

Precise pa	230.6		Precise sep	0.748		Constellation	Cassiopeia		SAO	11906
HIP	7845		Tycho2	4039-01050-1		Gaia DR2	1420357376		HD	10125
BD	BD+63 218		Distance	7142.86		Distance ly	23300.01

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01409+6410	HDS 221	AB	2008	2	233	0.7	8.38	11.76	O9.5Ib	D	014052.76+641023.1
01409+6410	HDS 221	AB	2013	4	230	0.7	8.38	11.76	O9.5Ib	D	014052.76+641023.1

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