20027+3349 SEI 816 AC

20^h 02^m 44.05^s +33° 48' 26.9" P.A. 113.00 sep 20.6 mag 10.50,11.00

Coord 2000	20027+3349		Discov num	SEI 816		Comp	AC		Coord arcsec 2000	20 02 44.05 +33 48 26.9
Date first	1894		Date last	2015		Obs	10
Pa first	113		Pa last	113		P.A. Now (θ)	113°
Sep first	20.9		Sep last	20.572		Sep. Now (ρ)	20.572"
Mag pri	10.50		Mag sec	11.00		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	+005		Sec motion ra	-004
Pri motion dec	-005		Sec motion dec	-001
Notes	N (See Notes)

rPM=1.393

This double is not physical.

20027+3349 SYSTEM COMPONENTS

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

OTHER CATALOGS AND DESIGNATIONS

Constellation

Cygnus

Tycho2

2678-01576-1

Gaia DR2

2058272611751580544