17007-2725 CVN 100 AC

Coord 2000	17007-2725		Discov num	CVN 100		Comp	AC		Coord arcsec 2000	17 00 42.96 -27 25 17.5
Date first	1998		Date last	2015		Obs	4
Pa first	290		Pa last	290.8		P.A. Now (θ)	290.8°
Sep first	5.8		Sep last	5.816		Sep. Now (ρ)	5.816"
Mag pri	7.85		Mag sec	13.40		delta mag (ΔM)	5.55		Spectral class	G0IV (yellow)
Pri motion ra	-007		Sec motion ra
Pri motion dec	-029		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			17 00 43 -27 25 18	CVN 100 AB	2011	1	303	3.4	7.85	15.20	7.35
Show			17 00 43 -27 25 18	CVN 100 AC	2015	4	291	5.8	7.85	13.40	5.55		<===
Show			17 00 43 -27 25 18	CVN 100 AD	2022	4	48	9.5	7.85	10.70	2.85

Quadruple system
4 estimated visually detectable stars in this system

Constellation

Ophiuchus

Gaia DR2

6033307209775044992