18507-3148 CVN  60AI

Coord 2000	18507-3148		Discov num	CVN  60		Comp	AI		Coord arcsec 2000	18 50 44.48 -31 47 47.4
Date first	2004		Date last	2007		Obs	2
Pa first	198		Pa last	199		P.A. Now (θ)	199°
Sep first	5.8		Sep last	5.6		Sep. Now (ρ)	5.6"
Mag pri	7.46		Mag sec	20.10		delta mag (ΔM)	12.64		Spectral class	K8Ve (yellow-orange)
Pri motion ra	+011		Sec motion ra
Pri motion dec	-078		Sec motion dec
Notes	K (K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 50 44 -31 47 47	CVN 60 AB	2007	2	69	1.9	7.46	18.80	11.34
Show			18 50 44 -31 47 47	CVN 60 AC	2007	2	18	3.6	7.46	18.60	11.14
Show			18 50 44 -31 47 47	CVN 60 AD	2007	2	174	3.6	7.46	18.50	11.04
Show			18 50 44 -31 47 47	CVN 60 AE	2007	2	155	3.7	7.46	19.00	11.54
Show			18 50 44 -31 47 47	CVN 60 AF	2007	2	186	4.4	7.46	20.10	12.64
Show			18 50 44 -31 47 47	CVN 60 AG	2007	2	66	5.1	7.46	18.20	10.74
Show			18 50 44 -31 47 47	CVN 60 AH	2007	2	81	5.7	7.46	21.00	13.54
Show			18 50 44 -31 47 47	CVN 60 AI	2007	2	199	5.6	7.46	20.10	12.64		<===
Show			18 50 44 -31 47 47	CVN 60 AJ	2007	2	176	6.9	7.46	18.50	11.04

Decuple system
10 visible stars in this system

Precise pa	199.4		Precise sep	5.628		Constellation	Sagittarius		Tycho2	7408-00054-1
Gaia DR2	6736232346363422336

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18507-3148	CVN 60	AI	2007	2	199	5.6	7.46	20.10	K8Ve	K	185044.48-314747.4

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