15383-2021 B  2786BC

Coord 2000	15383-2021		Discov num	B  2786		Comp	BC		Coord arcsec 2000	15 38 14.57 -20 18 48.6
Date first	1929		Date last	2015		Obs	6
Pa first	90		Pa last	101		P.A. Now (θ)	101°
Sep first	4.0		Sep last	3.5		Sep. Now (ρ)	3.5"
Mag pri	10.93		Mag sec	12.10		delta mag (ΔM)	1.17		Spectral class
Pri motion ra	-083		Sec motion ra	+002
Pri motion dec	+010		Sec motion dec	-006
Notes

rPM=1.035 This double is not physical.

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	2015	7	336	139.7	8.63	10.93	2.30
Show		183648	15383-2021	B 2786	BC	1929	2015	6	101	3.5	10.93	12.10	1.17		<===

Triple system
3 visible stars in this system

Precise pa	101		Precise sep	3.482		Constellation	Libra		SAO	183648
Tycho2	6193-00118-1		Gaia DR2	6253883879502487040

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15383-2021	B 2786	BC	1965	2	100	3.7	10.20	11.20			153820.00-202100.0
15383-2021	B 2786	BC	1998	3	100	3.2	10.93	12.10			153814.57-201848.6
15383-2021	B 2786	BC	2001	5	100	3.5	10.93	12.10		D	153814.57-201848.6
15383-2021	B 2786	BC	2015	6	101	3.5	10.93	12.10			153814.57-201848.6

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