01477+6351 ENG   7AB (V987 Cas)

Coord 2000	01477+6351		Discov num	ENG   7		Comp	AB		Coord arcsec 2000	01 47 44.83 +63 51 09.0
Date first	1892		Date last	2003		Obs	11
Pa first	135		Pa last	176		P.A. Now (θ)	176°
Sep first	102.7		Sep last	45.9		Sep. Now (ρ)	45.9"
Mag pri	5.71		Mag sec	9.89		delta mag (ΔM)	4.18		Spectral class	K0V (yellow-orange)
Pri motion ra	+582		Sec motion ra	+001
Pri motion dec	-247		Sec motion dec	+002
Notes	N L (See Notes, Linear solution)

Visually invisible, K-band or other infrared star rPM=1 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	V987 Cas	11983	01477+6351	ENG 7	AB	1892	2003	11	176	45.9	5.71	9.89	4.18		<===
Show		11983	01477+6351	CSN 5	AC	2000	2000	1	329	10.2	3.84	10.70	6.86

Triple system
3 visible stars in this system

Precise pa	175.7		Precise sep	45.9		Var name	V987 Cas		Constellation	Cassiopeia
SAO	11983		HIP	8362		Tycho2	4040-02023-1		HD	10780
HR	511		GL	Gl 75		BD	BD+63 238		Distance	10.07
Distance ly	32.85

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01477+6351	ENG 7	AB	2003	11	176	45.9	5.71	9.89	K0V	NL	014744.83+635109.0

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