20169+3307 OSO 122AB

Coord 2000	20169+3307		Discov num	OSO 122		Comp	AB		Coord arcsec 2000	20 16 53.68 +33 06 31.1
Date first	1994		Date last	1994		Obs	1
Pa first	11		Pa last	11		P.A. Now (θ)	11°
Sep first	16.2		Sep last	16.2		Sep. Now (ρ)	16.2"
Mag pri	9.34		Mag sec	17.30		delta mag (ΔM)	7.96		Spectral class	G0 (yellow)
Pri motion ra	-128		Sec motion ra
Pri motion dec	-258		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		69746	20 16 54 +33 06 31	OSO 122 AB	1994	1	11	16.2	9.34	17.30	7.96		<===
Show		69746	20 16 54 +33 06 31	OSO 122 AC	2002	3	271	20.9	9.34	17.21	7.87
Show		69746	20 16 54 +33 06 31	OSO 122 AD	1999	2	117	22.5	9.34	17.97	8.63

Quadruple system
4 visible stars in this system

Precise pa	11		Precise sep	16.2		Constellation	Cygnus		SAO	69746
HIP	99963		Tycho2	2676-00203-1		Gaia DR2	2054613574467015424		HD	228710
BD	BD+32 3767		Distance	77.52		Distance ly	252.87

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20169+3307	OSO 122	AB	1994	1	11	16.2	9.26	17.30		N D	201653.68+330631.1

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