20318+4117 CAN 33 AI

Coord 2000	20318+4117		Discov num	CAN  33		Comp	AI		Coord arcsec 2000	20 31 46.01 +41 17 27.1
Date first	1998		Date last	2014		Obs	5
Pa first	255		Pa last	254.9		P.A. Now (θ)	254.9°
Sep first	16.1		Sep last	15.505		Sep. Now (ρ)	15.505"
Mag pri	8.00		Mag sec	13.90		delta mag (ΔM)	5.9		Spectral class	F (yellow-white)
Pri motion ra			Sec motion ra
Pri motion dec			Sec motion dec
Notes	W 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 31 46 +41 17 27	CAN 33 AB	2008	1	22	3.5	8.00	15.20	7.20
Show			20 31 46 +41 17 27	CAN 33 AC	2008	1	146	5.0	8.00	15.20	7.20
Show			20 31 46 +41 17 27	CAN 33 AD	2008	1	4	6.6	8.00	12.60	4.60
Show			20 31 46 +41 17 27	CAN 33 AE	2008	1	117	8.3	8.00	14.20	6.20
Show			20 31 46 +41 17 27	CAN 33 AF	2008	1	94	10.7	8.00	15.50	7.50
Show			20 31 46 +41 17 27	CAN 33 AG	2008	1	47	12.6	8.00	15.90	7.90
Show			20 31 46 +41 17 27	CAN 33 AH	2008	1	224	13.7	8.00	15.80	7.80
Show			20 31 46 +41 17 27	CAN 33 AI	2014	5	255	15.5	8.00	13.90	5.90		<===

Ninefold system
9 estimated visually detectable stars in this system

Constellation

Cygnus