17111-2723 KRS 8 Aa,Ab

Coord 2000	17111-2723		Discov num	KRS   8		Comp	Aa,Ab		Coord arcsec 2000	17 11 27.01 -27 23 48.6
Date first	1999		Date last	1999		Obs	1
Pa first	219		Pa last	218.9		P.A. Now (θ)	218.9°
Sep first	0.1		Sep last	0.107		Sep. Now (ρ)	0.107"
Mag pri	8.50		Mag sec	8.60		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	-001		Sec motion ra
Pri motion dec	-017		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			17 11 27 -27 23 49	KRS 8 Aa,Ab	1999	1	219	0.1	8.50	8.60	0.10		<===
Show			17 11 27 -27 23 49	REP 45 AB	1999	3	109	3.4	9.70	10.10	0.40
Show			17 11 27 -27 23 49	REP 45 CD	2019	2	330	5.1	8.00	7.80	0.20

Quintuple system
4 estimated visually detectable stars in this system

Constellation

Ophiuchus

Gaia DR2

4108624199978985984