19561-3208 BWL  53Ba,Bb

Coord 2000	19561-3208		Discov num	BWL  53		Comp	Ba,Bb		Coord arcsec 2000	19 56 02.94 -32 07 18.7
Date first	2012		Date last	2017		Obs	3
Pa first	228		Pa last	261		P.A. Now (θ)	261°
Sep first	0.2		Sep last	0.2		Sep. Now (ρ)	0.2"
Mag pri	8.70		Mag sec	9.90		delta mag (ΔM)	1.2		Spectral class	M4.0 (red)
Pri motion ra	+035		Sec motion ra
Pri motion dec	-060		Sec motion dec
Notes	K (K-band or other infrared magnitudes)

Nature of this double is uncertain.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19561-3208	UC 4054	AB	1954	2015	9	316	26.3	11.59	13.23	1.64
Show			19561-3208	BWL 53	Ba,Bb	2012	2017	3	261	0.2	8.70	9.90	1.20		<===

Triple system
2 visible stars in this system

Precise pa	260.6		Precise sep	0.156		Cdsa2 id	BWL 53 Ba,Bb		Constellation	Sagittarius
Ra deg	19.93415		De deg	-32.12186111111111		last precise pa	260.6		last precise sep	0.156

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19561-3208	BWL 53	Ba,Bb	2012	1	228	0.2	8.70	9.90	M4.0	K	195602.94-320718.7
19561-3208	BWL 53	Ba,Bb	2016	2	251	0.2	8.70	9.90	M4.0	K	195602.94-320718.7
19561-3208	BWL 53	Ba,Bb	2017	3	261	0.2	8.70	9.90	M4.0	K	195602.94-320718.7

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