00016+6437 MLR  79AB

Coord 2000	00016+6437		Discov num	MLR  79		Comp	AB		Coord arcsec 2000	00 01 34.88 +64 37 24.1
Date first	1953		Date last	2008		Obs	5
Pa first	290		Pa last	244		P.A. Now (θ)	244°
Sep first	1.7		Sep last	2.1		Sep. Now (ρ)	2.1"
Mag pri	10.20		Mag sec	13.70		delta mag (ΔM)	3.5		Spectral class	O9.5V (blue)
Pri motion ra	-004		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		21015	00016+6437	MLR 79	AB	1953	2008	5	244	2.1	10.20	13.70	3.50		<===
Show		21015	00016+6437	SS 1	AC	1953	2015	4	266	7.4	10.20	15.40	5.20
Show		21015	00016+6437	SS 1	AD	1953	2015	4	224	12.9	10.20	13.80	3.60
Show		21015	00016+6437	SS 1	AE	1953	2015	5	133	17.9	10.20	14.30	4.10

Quintuple system
5 visible stars in this system

Precise pa	243.6		Precise sep	2.061		Constellation	Cassiopeia		SAO	21015
Tycho2	4022-01649-1		Gaia DR2	3925254272

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
00016+6437	MLR 79	AB	2008	5	244	2.1	10.20	13.70	O9.5V	N	000134.88+643724.1

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