20330+4047 CAN 15 AB

Coord 2000	20330+4047		Discov num	CAN  15		Comp	AB		Coord arcsec 2000	20 33 02.92 +40 47 25.5
Date first	2008		Date last	2008		Obs	1
Pa first	113		Pa last	113.3		P.A. Now (θ)	113.3°
Sep first	0.1		Sep last	0.1		Sep. Now (ρ)	0.1"
Mag pri	6.50		Mag sec	8.20		delta mag (ΔM)	1.7		Spectral class	O8II (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 03 +40 47 26	CAN 15 AB	2008	1	113	0.1	6.50	8.20	1.70		<===
Show			20 33 03 +40 47 26	CAN 15 AC	2008	1	241	2.6	6.30	14.20	7.90
Show			20 33 03 +40 47 26	CAN 15 AD	2008	1	201	5.5	6.50	14.80	8.30
Show			20 33 03 +40 47 26	CAN 15 AE	2008	1	230	9.3	6.50	13.30	6.80
Show			20 33 03 +40 47 26	CAN 15 AF	2008	2	341	15.7	6.50	13.70	7.20

Sextuple system
6 estimated visually detectable stars in this system

Constellation

Cygnus