18188-1346 VSP 67 Aa,Ab

Coord 2000	18188-1346		Discov num	VSP  67		Comp	Aa,Ab		Coord arcsec 2000	18 18 45.85 -13 46 30.9
Date first	2015		Date last	2015		Obs	1
Pa first	249		Pa last	249.4		P.A. Now (θ)	249.4°
Sep first	0.7		Sep last	0.652		Sep. Now (ρ)	0.652"
Mag pri	7.90		Mag sec	17.40		delta mag (ΔM)	9.5		Spectral class	O7V+ (blue)
Pri motion ra	+000		Sec motion ra
Pri motion dec	-002		Sec motion dec
Notes	K (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		161317	18 18 46 -13 46 31	VSP 67 Aa,Ab	2015	1	249	0.7	7.90	17.40	9.50		<===
Show			18 18 46 -13 46 31	VSP 67 Aa,Ac	2015	1	346	0.7	7.90	15.60	7.70
Show			18 18 46 -13 46 31	VSP 67 Aa,Ad	2015	1	208	0.8	7.90	15.40	7.50

Quadruple system
4 estimated visually detectable stars in this system

Constellation

Serpens

SAO

161317