20337+4130 CAN  64AB

Coord 2000	20337+4130		Discov num	CAN  64		Comp	AB		Coord arcsec 2000	20 33 40.87 +41 30 19.0
Date first	2008		Date last	2008		Obs	2
Pa first	137		Pa last	137		P.A. Now (θ)	137°
Sep first	1.9		Sep last	1.9		Sep. Now (ρ)	1.9"
Mag pri	8.60		Mag sec	13.40		delta mag (ΔM)	4.8		Spectral class	O7V (blue)
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_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		49789	20337+4130	CAN 64	AB	2008	2008	2	137	1.9	8.60	13.40	4.80		<===
Show		49789	20337+4130	CAN 64	AC	2008	2008	2	291	3.8	8.60	13.30	4.70
Show		49789	20337+4130	CAN 64	AD	2008	2008	1	170	6.2	8.60	16.70	8.10
Show		49789	20337+4130	CAN 64	AE	2008	2008	1	36	7.7	8.60	15.80	7.20
Show		49789	20337+4130	CAN 64	AF	2008	2008	1	63	8.1	8.60	16.20	7.60
Show		49789	20337+4130	CAN 64	AG	2008	2008	1	202	9.2	8.60	16.40	7.80
Show		49789	20337+4130	CAN 64	AH	1998	2012	4	36	10.9	8.60	14.90	6.30
Show		49789	20337+4130	CAN 64	AI	1998	2008	3	329	12.2	8.60	15.50	6.90

Ninefold system
9 visible stars in this system

Precise pa

136.8

Precise sep

1.91

Constellation

Cygnus

SAO

49789

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20337+4130	CAN 64	AB	2008	2	137	1.9	8.60	13.40	O7V	V K	203340.87+413019.0

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