20026+3352 BKO 521 BC

Coord 2000	20026+3352		Discov num	BKO 521		Comp	BC		Coord arcsec 2000	20 02 36.60 +33 51 53.9
Date first	1998		Date last	2015		Obs	8
Pa first	57		Pa last	56.8		P.A. Now (θ)	56.8°
Sep first	5.1		Sep last	5.067		Sep. Now (ρ)	5.067"
Mag pri	14.50		Mag sec	14.00		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	+057		Sec motion ra
Pri motion dec	+073		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 02 36 +33 51 45	BKO 521 AB	2015	8	34	10.5	13.00	14.50	1.50
Show			20 02 37 +33 51 54	BKO 521 BC	2015	8	57	5.1	14.50	14.00	0.50		<===

Triple system
3 estimated visually detectable stars in this system

Constellation

Cygnus

Gaia DR2

2058273814342476288