15021-2017 HLD  22AB

Coord 2000	15021-2017		Discov num	HLD  22		Comp	AB		Coord arcsec 2000	15 02 08.94 -20 16 38.8
Date first	1881		Date last	2016		Obs	16
Pa first	0		Pa last	7		P.A. Now (θ)	7°
Sep first	2.2		Sep last	2.0		Sep. Now (ρ)	2"
Mag pri	9.19		Mag sec	10.21		delta mag (ΔM)	1.02		Spectral class	F7V (yellow-white)
Pri motion ra	-008		Sec motion ra	-008
Pri motion dec	-021		Sec motion dec	-021
Notes

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			15 02 09 -20 16 39	HLD 22 AB	2016	16	7	2.0	9.19	10.21	1.02		<===
Show			15 02 09 -20 16 39	HLD 22 AC	2020	6	313	49.1	9.19	12.96	3.77

Triple system
3 visible stars in this system

Precise pa	6.7		Precise sep	1.952		Constellation	Libra		Tycho2	6176-00762-1
Gaia DR2	6232691514428520448		HD	132896

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15021-2017	HLD 22	AB	2000	15	6	1.9	9.19	10.21	F7V		150208.94-201638.8

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