20334+4133 CAN 57 AC

Coord 2000	20334+4133		Discov num	CAN  57		Comp	AC		Coord arcsec 2000	20 33 25.56 +41 33 27.0
Date first	2008		Date last	2008		Obs	2
Pa first	280		Pa last	279.7		P.A. Now (θ)	279.7°
Sep first	4.1		Sep last	4.14		Sep. Now (ρ)	4.14"
Mag pri	7.50		Mag sec	13.30		delta mag (ΔM)	5.8		Spectral class	O8.5V (blue)
Pri motion ra			Sec motion ra
Pri motion dec			Sec motion dec
Notes	V K (Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 33 26 +41 33 27	CAN 7 AB	2008	2	48	1.4	12.10	12.60	0.50
Show			20 33 26 +41 33 27	CAN 57 AC	2008	2	280	4.1	7.50	13.30	5.80		<===
Show			20 33 26 +41 33 27	CAN 57 AD	2008	2	134	5.2	7.50	13.80	6.30
Show			20 33 26 +41 33 27	CAN 57 AE	2008	2	357	7.0	7.50	12.60	5.10
Show			20 33 26 +41 33 27	CAN 57 AF	2014	5	227	12.8	7.50	13.60	6.10

Sextuple system
6 estimated visually detectable stars in this system

Constellation

Cygnus