20330+4118 CAN 44 AB

Coord 2000	20330+4118		Discov num	CAN  44		Comp	AB		Coord arcsec 2000	20 33 02.92 +41 17 43.1
Date first	2008		Date last	2008		Obs	1
Pa first	158		Pa last	157.8		P.A. Now (θ)	157.8°
Sep first	2.9		Sep last	2.93		Sep. Now (ρ)	2.93"
Mag pri	7.90		Mag sec	15.30		delta mag (ΔM)	7.4		Spectral class	O8V (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 +41 17 43	CAN 44 AB	2008	1	158	2.9	7.90	15.30	7.40		<===
Show			20 33 03 +41 17 43	CAN 44 AC	2008	1	191	5.2	7.90	15.30	7.40
Show			20 33 03 +41 17 43	CAN 44 AD	2008	2	229	6.5	7.90	13.70	5.80
Show			20 33 03 +41 17 43	CAN 44 AE	2008	1	71	6.7	7.90	16.80	8.90
Show			20 33 03 +41 17 43	CAN 44 AF	2008	1	27	9.1	7.90	15.70	7.80
Show			20 33 03 +41 17 43	CAN 44 AG	2008	1	44	10.1	7.90	16.40	8.50
Show			20 33 03 +41 17 43	CAN 44 AH	2014	3	254	11.5	7.90	13.60	5.70
Show			20 33 03 +41 17 43	CAN 44 AI	2014	5	120	12.9	7.90	12.50	4.60
Show			20 33 03 +41 17 43	CAN 44 AJ	2008	2	205	14.8	7.90	15.00	7.10

Decuple system
10 estimated visually detectable stars in this system

Constellation

Cygnus