20340+4118 CAN  68AB

Coord 2000	20340+4118		Discov num	CAN  68		Comp	AB		Coord arcsec 2000	20 33 59.53 +41 17 35.5
Date first	2008		Date last	2008		Obs	1
Pa first	48		Pa last	48		P.A. Now (θ)	48°
Sep first	0.8		Sep last	0.8		Sep. Now (ρ)	0.8"
Mag pri	7.90		Mag sec	12.70		delta mag (ΔM)	4.8		Spectral class	O9.5V (blue)
Pri motion ra	+001		Sec motion ra
Pri motion dec	+001		Sec motion dec
Notes	N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 33 60 +41 17 36	CAN 10 Aa,Ab	2007	2	226	0.0	12.70	13.60	0.90
Show			20 33 60 +41 17 36	CAN 68 AB	2008	1	48	0.8	7.90	12.70	4.80		<===
Show			20 33 60 +41 17 36	CAN 68 AC	2008	1	315	7.1	7.90	16.80	8.90
Show			20 33 60 +41 17 36	CAN 68 AD	2008	2	285	7.4	7.90	13.40	5.50
Show			20 33 60 +41 17 36	CAN 68 AE	2008	1	311	8.9	7.90	15.80	7.90
Show			20 33 60 +41 17 36	CAN 68 AF	2008	1	235	9.4	7.90	15.80	7.90
Show			20 33 60 +41 17 36	CAN 68 AG	2014	2	232	10.9	7.90	16.30	8.40
Show			20 33 60 +41 17 36	CAN 68 AH	2014	3	31	11.0	7.90	13.90	6.00

Ninefold system
8 visible stars in this system

Precise pa

47.5

Precise sep

0.82

Constellation

Cygnus

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20340+4118	CAN 68	AB	2008	1	48	0.8	7.90	12.70	O9.5V	NV K	203359.53+411735.5

If you need more information about this double, apply for a data request form to the WDS.