20340+4106 CAN  67AB

Coord 2000	20340+4106		Discov num	CAN  67		Comp	AB		Coord arcsec 2000	20 33 59.25 +41 05 38.1
Date first	2008		Date last	2008		Obs	1
Pa first	55		Pa last	55		P.A. Now (θ)	55°
Sep first	2.6		Sep last	2.6		Sep. Now (ρ)	2.6"
Mag pri	9.30		Mag sec	14.60		delta mag (ΔM)	5.3		Spectral class	B0V (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 This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 33 59 +41 05 38	CAN 67 AB	2008	1	55	2.6	9.30	14.60	5.30		<===
Show			20 33 59 +41 05 38	CAN 67 AC	2008	1	224	3.2	9.30	14.10	4.80
Show			20 33 59 +41 05 38	CAN 67 AD	2014	4	90	6.5	9.30	14.80	5.50
Show			20 33 59 +41 05 38	CAN 67 AE	2008	1	29	9.4	9.30	15.90	6.60
Show			20 33 59 +41 05 38	CAN 67 AF	2008	1	110	9.5	9.30	16.80	7.50
Show			20 33 59 +41 05 38	CAN 67 AG	2008	1	235	10.5	9.30	17.10	7.80
Show			20 33 59 +41 05 38	CAN 67 AH	2008	1	308	10.7	9.30	17.40	8.10
Show			20 33 59 +41 05 38	CAN 67 AI	2008	1	285	11.7	9.30	15.70	6.40
Show			20 33 59 +41 05 38	CAN 67 AJ	2014	5	298	11.9	9.30	11.00	1.70

Decuple system
10 visible stars in this system

Precise pa

54.6

Precise sep

2.61

Constellation

Cygnus

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20340+4106	CAN 67	AB	2008	1	55	2.6	9.30	14.60	B0V	V K	203359.25+410538.1

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