15383-2021 B  2786AB

Coord 2000	15383-2021		Discov num	B  2786		Comp	AB		Coord arcsec 2000	15 38 18.57 -20 20 55.8
Date first	1929		Date last	2001		Obs	6
Pa first	315		Pa last	336		P.A. Now (θ)	336°
Sep first	180.0		Sep last	138.9		Sep. Now (ρ)	138.9"
Mag pri	8.63		Mag sec	10.93		delta mag (ΔM)	2.3		Spectral class	K1III (yellow-orange)
Pri motion ra	+003		Sec motion ra	-083
Pri motion dec	-015		Sec motion dec	+010
Notes

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		183648	15383-2021	B 2786	AB	1929	2001	6	336	138.9	8.63	10.93	2.30		<===
Show			15383-2021	B 2786	BC	1929	2001	5	100	3.5	10.93	12.10	1.17

Triple system
3 visible stars in this system

Constellation	Libra		SAO	183648		HIP	76576		Tycho2	6193-00046-1
HD	139346		BD	BD-19 4164		Distance	269.54		Distance ly	879.24
last precise pa	336.2		last precise sep	138.919

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15383-2021	B 2786	AB	1998	4	336	139.0	8.63	10.93	K1III	D	153818.57-202055.7
15383-2021	B 2786	AB	2001	6	336	138.9	8.63	10.93	K1III	D	153818.57-202055.8

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