20084+1503 OSO 117AD

Coord 2000	20084+1503		Discov num	OSO 117		Comp	AD		Coord arcsec 2000	20 08 22.00 +15 02 33.8
Date first	1995		Date last	1998		Obs	2
Pa first	263		Pa last	258		P.A. Now (θ)	258°
Sep first	22.1		Sep last	20.7		Sep. Now (ρ)	20.7"
Mag pri	11.33		Mag sec	17.00		delta mag (ΔM)	5.67		Spectral class
Pri motion ra	-159		Sec motion ra
Pri motion dec	-181		Sec motion dec
Notes	N U (See Notes, Proper motion indicates non-physical)

Visually invisible, K-band or other infrared star This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		105746	20084+1503	OSO 117	AB	1995	2001	2	335	3.1	11.33	12.30	0.97
Show		105746	20084+1503	OSO 117	AC	1995	1998	2	313	13.7	11.33	17.00	5.67
Show		105746	20084+1503	OSO 117	AD	1995	1998	2	258	20.7	11.33	17.00	5.67		<===
Show		105746	20084+1503	OSO 117	AE	1995	2001	3	358	21.9	11.33	14.90	3.57
Show		105746	20084+1503	LDS1033	AF	1936	2001	3	269	999.9	11.33	13.03	1.70

Sextuple system
6 visible stars in this system

Precise pa	257.8		Precise sep	20.7		Constellation	Aquila		SAO	105746
Tycho2	1618-01848-1		Gaia DR2	14551835648

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20084+1503	OSO 117	AD	1998	2	258	20.7	11.59	17.00		N D	200822.01+150234.0

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