19407-1618 VSP 54 Ca,Cb

Coord 2000	19407-1618		Discov num	VSP  54		Comp	Ca,Cb		Coord arcsec 2000	19 40 45.50 -16 17 01.7
Date first	2017		Date last	2017		Obs	1
Pa first	261		Pa last	261.2		P.A. Now (θ)	261.2°
Sep first	0.2		Sep last	0.158		Sep. Now (ρ)	0.158"
Mag pri	7.20		Mag sec	9.90		delta mag (ΔM)	2.7		Spectral class	F7V (yellow-white)
Pri motion ra	+059		Sec motion ra
Pri motion dec	-056		Sec motion dec
Notes	N K (See Notes, 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 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		162883	19 40 43 -16 17 35	HJ 599 AB	2009	11	279	45.2	5.42	12.65	7.23
Show	54 Sgr	162883	19 40 43 -16 17 35	HJ 599 AC	2019	47	41	45.5	5.42	7.65	2.23
Show		162883	19 40 43 -16 17 35	ANT 6 AD	2009	5	252	56.8	5.42	13.90	8.48
Show		162884	19 40 46 -16 17 02	VSP 54 Ca,Cb	2017	1	261	0.2	7.20	9.90	2.70		<===

Quintuple system
4 estimated visually detectable stars in this system

Constellation	Sagittarius		SAO	162884		Tycho2	6299-02608-1		HD	185673
GC	27217