16071-1657 KOU 51 GH (HD 144569)

Coord 2000	16071-1657		Discov num	KOU  51		Comp	GH		Coord arcsec 2000	16 07 04.67 -16 56 35.7
Date first	2000		Date last	2019		Obs	4
Pa first	49		Pa last	53.5		P.A. Now (θ)	53.5°
Sep first	1.0		Sep last	1.106		Sep. Now (ρ)	1.106"
Mag pri	7.57		Mag sec	9.04		delta mag (ΔM)	1.47		Spectral class	B9.5V (blue-white)
Pri motion ra	-010		Sec motion ra
Pri motion dec	-019		Sec motion dec
Notes	V W K (Proper motion indicates 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 physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	HD 144569	159704	16 07 05 -16 56 36	KOU 51 GH	2019	4	54	1.1	7.57	9.04	1.47		<===
Show		159704	16 07 05 -16 56 36	LAF 111 GI	2008	1	141	3.9	7.22	18.05	10.83
Show		159704	16 07 05 -16 56 36	LAF 111 GJ	2008	1	114	5.5	7.22	18.13	10.91
Show		159704	16 07 05 -16 56 36	LAF 111 GK	2008	1	74	12.2	7.22	16.99	9.77

Quintuple system
5 estimated visually detectable stars in this system

Name	HD 144569		Constellation	Scorpius		SAO	159704		HIP	78956
Tycho2	6204-01570-1		HD	144569		BD	BD-16 4219		Distance	157.48
Distance ly	513.7