20330+4118 CAN 44 AI

Coord 2000	20330+4118		Discov num	CAN  44		Comp	AI		Coord arcsec 2000	20 33 02.92 +41 17 43.1
Date first	1998		Date last	2014		Obs	5
Pa first	120		Pa last	120.2		P.A. Now (θ)	120.2°
Sep first	12.8		Sep last	12.869		Sep. Now (ρ)	12.869"
Mag pri	7.90		Mag sec	12.50		delta mag (ΔM)	4.6		Spectral class	O8V (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 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