20332+4115 CAN 48 AC

Coord 2000	20332+4115		Discov num	CAN  48		Comp	AC		Coord arcsec 2000	20 33 10.73 +41 15 08.2
Date first	2005		Date last	2005		Obs	1
Pa first	251		Pa last	250.5		P.A. Now (θ)	250.5°
Sep first	5.3		Sep last	5.29		Sep. Now (ρ)	5.29"
Mag pri	5.60		Mag sec	12.50		delta mag (ΔM)	6.9		Spectral class	O5 (blue)
Pri motion ra	-003		Sec motion ra
Pri motion dec	-004		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 11 +41 15 08	CIA 34 Aa,Ab	2018	2	153	0.0	6.50	6.90	0.40
Show			20 33 11 +41 15 08	MZA 27 AB	2015	9	107	20.9	10.78	17.20	6.42
Show			20 33 11 +41 15 08	CAN 48 AC	2005	1	251	5.3	5.60	12.50	6.90		<===

Quadruple system
3 estimated visually detectable stars in this system

Constellation

Cygnus

Tycho2

3161-00015-1