20335+4115 CAN 60 AB

Coord 2000	20335+4115		Discov num	CAN  60		Comp	AB		Coord arcsec 2000	20 33 30.79 +41 15 22.7
Date first	2008		Date last	2008		Obs	1
Pa first	73		Pa last	73.4		P.A. Now (θ)	73.4°
Sep first	0.7		Sep last	0.66		Sep. Now (ρ)	0.66"
Mag pri	5.60		Mag sec	10.40		delta mag (ΔM)	4.8		Spectral class	B1I (blue-white)
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 31 +41 15 23	CAN 60 AB	2008	1	73	0.7	5.60	10.40	4.80		<===
Show			20 33 31 +41 15 23	CAN 60 AC	2008	1	247	6.7	5.50	14.10	8.60
Show			20 33 31 +41 15 23	CAN 60 AD	2008	2	43	9.6	5.50	12.90	7.40
Show			20 33 31 +41 15 23	CAN 60 AE	2008	1	38	10.2	5.50	14.60	9.10
Show			20 33 31 +41 15 23	CAN 60 AF	2014	5	200	10.4	5.50	12.80	7.30

Sextuple system
6 estimated visually detectable stars in this system

Constellation

Cygnus

Tycho2

3161-00027-1