18549-2357 OCC1044Aa,Ab

Coord 2000	18549-2357		Discov num	OCC1044		Comp	Aa,Ab		Coord arcsec 2000	18 54 53.19 -23 57 03.5
Date first	2009		Date last	2009		Obs	0
Pa first	-1		Pa last	-1		P.A. Now (θ)
Sep first	0.0		Sep last	0.0		Sep. Now (ρ)	0"
Mag pri	7.90		Mag sec	11.70		delta mag (ΔM)	3.8		Spectral class
Pri motion ra	-002		Sec motion ra
Pri motion dec	-009		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 54 53 -23 57 04	RCH 7 AB	2016	2	20	1.6	7.89	11.07	3.18
Show			18 54 53 -23 57 04	OCC 1044 Aa,Ab	2009	0		0.0	7.90	11.70	3.80		<===
Show			18 54 53 -23 57 04	OCC 1044 Aa,Ac	2009	0		0.0	7.90	12.20	4.30

Quadruple system
2 visible stars in this system

Precise pa	-1		Precise sep	0.015		Constellation	Sagittarius		Tycho2	6860-01491-1
Gaia DR2	4075291508516892032

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
18549-2357	OCC1044	Aa,Ab	2009	0	-1	0.0	7.90	11.70		K	185453.19-235703.5

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