01373+6344 MLB 383AD

Coord 2000	01373+6344		Discov num	MLB 383		Comp	AD		Coord arcsec 2000	01 37 19.97 +63 43 45.2
Date first	1898		Date last	2016		Obs	14
Pa first	169		Pa last	165		P.A. Now (θ)	165°
Sep first	30.7		Sep last	31.9		Sep. Now (ρ)	31.9"
Mag pri	10.47		Mag sec	11.35		delta mag (ΔM)	0.88		Spectral class	B8 (blue-white)
Pri motion ra	-003		Sec motion ra	+029
Pri motion dec	+002		Sec motion dec	+006
Notes	U (Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star rPM=1.089 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			01373+6344	MLB 383	AB	1925	2015	8	155	6.0	10.47	12.80	2.33
Show			01373+6344	MLB 383	AC	1925	2015	8	65	33.4	10.47	12.80	2.33
Show			01373+6344	MLB 383	AD	1898	2016	14	165	31.9	10.47	11.35	0.88		<===

Quadruple system
4 visible stars in this system

Precise pa	165.2		Precise sep	31.9		Constellation	Cassiopeia		Tycho2	4035-00130-1
Gaia DR2	7166441856

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01373+6344	MLB 383	AD	1999	6	166	31.9	10.47	11.35		D	013719.97+634345.2
01373+6344	MLB 383	AD	2011	7	166	32.0	10.47	11.35		D	013719.97+634345.2
01373+6344	MLB 383	AD	2015	9	165	31.8	10.47	11.35	B8		013719.97+634345.2
01373+6344	MLB 383	AD	2016	11	165	31.9	10.47	11.35	B8	U	013719.97+634345.2

If you need more information about this double, apply for a data request form to the WDS.