17390-4309 MOC 13 AC

Coord 2000	17390-4309		Discov num	MOC  13		Comp	AC		Coord arcsec 2000	17 38 59.52 -43 08 43.8
Date first	2015		Date last	2015		Obs	1
Pa first	328		Pa last	328		P.A. Now (θ)	328°
Sep first	4.8		Sep last	4.77		Sep. Now (ρ)	4.77"
Mag pri	5.54		Mag sec	17.70		delta mag (ΔM)	12.16		Spectral class	G5V (yellow)
Pri motion ra	-231		Sec motion ra
Pri motion dec	-168		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			17 38 60 -43 08 44	MOC 13 AB	2015	1	222	3.6	5.54	18.40	12.86
Show			17 38 60 -43 08 44	MOC 13 AC	2015	1	328	4.8	5.54	17.70	12.16		<===
Show			17 38 60 -43 08 44	MOC 13 AD	2015	1	145	5.9	5.54	17.30	11.76
Show			17 38 60 -43 08 44	MOC 13 AE	2015	1	128	6.5	5.54	16.40	10.86

Quintuple system
5 estimated visually detectable stars in this system

Constellation

Scorpius

Gaia DR2

5955841736510622208