20305+4113 CAN 27 AE

Coord 2000	20305+4113		Discov num	CAN  27		Comp	AE		Coord arcsec 2000	20 30 27.30 +41 13 25.3
Date first	2008		Date last	2008		Obs	1
Pa first	14		Pa last	13.5		P.A. Now (θ)	13.5°
Sep first	10.6		Sep last	10.57		Sep. Now (ρ)	10.57"
Mag pri	6.40		Mag sec	14.70		delta mag (ΔM)	8.3		Spectral class	O7 (blue)
Pri motion ra			Sec motion ra
Pri motion dec			Sec motion dec
Notes	K (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 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 30 27 +41 13 25	CAN 27 AB	2008	1	107	4.9	6.40	13.40	7.00
Show			20 30 27 +41 13 25	CAN 27 AC	2014	3	287	8.1	6.40	12.90	6.50
Show			20 30 27 +41 13 25	CAN 27 AD	2008	1	108	9.8	6.40	13.70	7.30
Show			20 30 27 +41 13 25	CAN 27 AE	2008	1	14	10.6	6.40	14.70	8.30		<===

Quintuple system
5 estimated visually detectable stars in this system

Constellation

Cygnus