18549-1733 RST 3205 AB

18^h 54^m 52.14^s -17° 33' 10.3" P.A. 300.00 sep 0.5 mag 10.23,10.17 Sp K2

Coord 2000	18549-1733		Discov num	RST3205		Comp	AB		Coord arcsec 2000	18 54 52.14 -17 33 10.3
Date first	1935		Date last	1991		Obs	5
Pa first	306		Pa last	299.9		P.A. Now (θ)	299.9°
Sep first	0.4		Sep last	0.53		Sep. Now (ρ)	0.53"
Mag pri	10.23		Mag sec	10.17		delta mag (ΔM)	0.06		Spectral class	K2 (yellow-orange)
Pri motion ra	+000		Sec motion ra	+000
Pri motion dec	-001		Sec motion dec	-001
Notes

Nature of this double is uncertain.

18549-1733 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			18 54 52 -17 33 10	RST 3205 AB	1991	5	300	0.5	10.23	10.17	0.06		<===
Show			18 54 52 -17 33 10	HJ 2843 AB,C	1999	3	339	22.0	9.57	13.00	3.43

Triple system
4 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Sagittarius

Tycho2

6285-02607-1

Gaia DR2

4086972788766155520