15452-3417 KOH  48AB (HT Lup)

Coord 2000	15452-3417		Discov num	KOH  48		Comp	AB		Coord arcsec 2000	15 45 12.88 -34 17 30.4
Date first	1989		Date last	2017		Obs	8
Pa first	295		Pa last	297		P.A. Now (θ)	297°
Sep first	2.6		Sep last	2.8		Sep. Now (ρ)	2.8"
Mag pri	9.60		Mag sec	13.60		delta mag (ΔM)	4		Spectral class	Ge (yellow)
Pri motion ra	-016		Sec motion ra
Pri motion dec	-021		Sec motion dec
Notes	W R (, Red magnitudes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			15 45 13 -34 17 30	GHE 30 Aa,Ab	2017	3	244	0.2	7.10	9.10	2.00
Show	HT Lup		15 45 13 -34 17 30	KOH 48 AB	2017	8	297	2.8	9.60	13.60	4.00		<===

Triple system
2 visible stars in this system

Precise pa	297.1		Precise sep	2.831		Var name	HT Lup		Constellation	Lupus
HIP	77157		Tycho2	7336-01114-1		Gaia DR2	6014696841553696768		CD	CD-3310685
Distance	141.24		Distance ly	460.72

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15452-3417	KOH 48	AB	2004	6	297	2.8	6.62	9.29		DK	154512.88-341730.4
15452-3417	KOH 48	AB	2017	8	297	2.8	9.60	13.60	Ge	WR	154512.88-341730.4

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