20222+4015 BU  665A,BC (Sadr)

Coord 2000	20222+4015		Discov num	BU  665		Comp	A,BC		Coord arcsec 2000	20 22 13.70 +40 15 24.0
Date first	1877		Date last	2010		Obs	11
Pa first	197		Pa last	197		P.A. Now (θ)	197°
Sep first	140.4		Sep last	147.1		Sep. Now (ρ)	147.1"
Mag pri	2.27		Mag sec	11.04		delta mag (ΔM)	8.77		Spectral class	F8Ib (yellow-white)
Pri motion ra	+002		Sec motion ra	-013
Pri motion dec	-001		Sec motion dec	-017
Notes	N (See Notes)

rPM=1.025 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Gam Cyg	49528	20 22 14 +40 15 24	BU 665 A,BC	2010	11	197	147.1	2.27	11.04	8.77		<===
Show		49528	20 22 10 +40 13 07	BU 665 BC	2016	11	302	1.9	10.00	11.00	1.00
Show		49528	20 22 10 +40 13 07	BU 665 BC,D	2002	3	131	41.0	11.04	13.58	2.54

Quadruple system
5 visible stars in this system

Precise pa	197.1		Precise sep	147.08		Common name	Sadr		Constellation	Cygnus
SAO	49528		HIP	100453		Tycho2	3156-02223-1		Gaia DR2	2067518817313277952
HD	194093		HR	7796		GC	28338		BD	BD+39 4159
Bayer	Gamma Cygni		Bayer name	Gam Cyg		Flamsteed	37 Cygni		Flamsteed name	37 Cyg
Distance	561.8		Distance ly	1832.59

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20222+4015	BU 665	A,BC	2010	9	197	147.1	2.27	9.60	F8Ib	N D	202213.70+401524.0

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