18300+0113 DCH 98 Ca,Cb

Coord 2000	18300+0113		Discov num	DCH  98		Comp	Ca,Cb		Coord arcsec 2000	18 29 57.60 +01 13 00.4
Date first	2005		Date last	2005		Obs	1
Pa first	92		Pa last	92		P.A. Now (θ)	92°
Sep first	0.1		Sep last	0.128		Sep. Now (ρ)	0.128"
Mag pri	8.70		Mag sec	10.30		delta mag (ΔM)	1.6		Spectral class
Pri motion ra	-020		Sec motion ra
Pri motion dec	+055		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			18 29 58 +01 12 52	DCH 100 Aa,Ab	2005	1	227	0.2	11.80	10.60	1.20
Show			18 29 58 +01 12 52	HCH 9 AB	2005	4	354	5.2	9.80	10.40	0.60
Show			18 29 58 +01 12 57	DCH 100 Ba,Bb	2005	1	109	2.5	10.40	17.70	7.30
Show			18 29 58 +01 12 52	DCH 98 AC	2005	2	12	4.4	9.80	8.50	1.30
Show			18 29 58 +01 13 00	DCH 98 Ca,Cb	2005	1	92	0.1	8.70	10.30	1.60		<===

Sextuple system
3 estimated visually detectable stars in this system

Constellation

Serpens