17063-3714 KOU 73 AD

Coord 2000	17063-3714		Discov num	KOU  73		Comp	AD		Coord arcsec 2000	17 06 20.20 -37 13 39.1
Date first	2000		Date last	2000		Obs	2
Pa first	135		Pa last	134.9		P.A. Now (θ)	134.9°
Sep first	12.7		Sep last	12.69		Sep. Now (ρ)	12.69"
Mag pri	5.69		Mag sec	13.64		delta mag (ΔM)	7.95		Spectral class	A2IV (white)
Pri motion ra	-005		Sec motion ra
Pri motion dec	-031		Sec motion dec
Notes	U K (Proper motion indicates non-physical, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 154310	208406	17 06 20 -37 13 39	HDO 266 AB	2016	9	79	5.8	5.69	10.00	4.31
Show		208406	17 06 20 -37 13 39	HDO 266 AC	2015	5	186	40.5	5.69	12.50	6.81
Show		208406	17 06 20 -37 13 39	KOU 73 AD	2000	2	135	12.7	5.69	13.64	7.95		<===
Show		208406	17 06 20 -37 13 39	HDO 266 AE	2016	2	32	53.8	5.69	12.30	6.61

Quintuple system
5 estimated visually detectable stars in this system

Constellation	Scorpius		SAO	208406		HIP	83693		Tycho2	7373-00274-1
Gaia DR2	5976498948652231296		HD	154310		HR	6344		CD	CD-3711274
CP	CP-37 6937		Distance	142.25		Distance ly	464.02