20027+3349 BKO 523 AD

Coord 2000	20027+3349		Discov num	BKO 523		Comp	AD		Coord arcsec 2000	20 02 44.05 +33 48 26.9
Date first	1998		Date last	2015		Obs	7
Pa first	342		Pa last	340.6		P.A. Now (θ)	340.6°
Sep first	4.9		Sep last	5.024		Sep. Now (ρ)	5.024"
Mag pri	10.50		Mag sec	13.00		delta mag (ΔM)	2.5		Spectral class
Pri motion ra	+005		Sec motion ra
Pri motion dec	-005		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 44 +33 48 27	SEI 815 AB	2015	10	358	19.4	10.91	12.60	1.69
Show			20 02 44 +33 48 27	SEI 816 AC	2015	10	113	20.6	10.50	11.00	0.50
Show			20 02 44 +33 48 27	BKO 523 AD	2015	7	341	5.0	10.50	13.00	2.50		<===

Quadruple system
4 estimated visually detectable stars in this system

Constellation

Cygnus

Gaia DR2

2058272611751580544