15558-2512 KSA  75AB

Coord 2000	15558-2512		Discov num	KSA  75		Comp	AB		Coord arcsec 2000	15 55 48.83 -25 12 24.1
Date first	1999		Date last	2015		Obs	9
Pa first	318		Pa last	319		P.A. Now (θ)	319°
Sep first	8.9		Sep last	8.9		Sep. Now (ρ)	8.9"
Mag pri	8.75		Mag sec	10.96		delta mag (ΔM)	2.21		Spectral class	G3 (yellow)
Pri motion ra	-013		Sec motion ra	-102
Pri motion dec	-020		Sec motion dec	+124
Notes	W K (, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star rPM=1.054 This double is not physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			15 55 49 -25 12 24	KSA 75 AB	2015	9	319	8.9	8.75	10.96	2.21		<===
Show			15 55 49 -25 12 24	KSA 75 AC	2015	8	299	14.5	8.75	13.46	4.71

Triple system
3 visible stars in this system

Precise pa	319.1		Precise sep	8.854		Constellation	Hydra		Tycho2	6783-02045-1
Gaia DR2	6235742349962813824		HD	142506

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
15558-2512	KSA 75	AB	1999	2	318	8.9	8.75	10.96	G3	DK	155548.83-251224.1
15558-2512	KSA 75	AB	2000	3	319	8.9	8.75	10.96	G3	DK	155548.83-251224.1
15558-2512	KSA 75	AB	2007	8	320	8.9	8.75	10.96	G3	K	155548.83-251224.1
15558-2512	KSA 75	AB	2015	9	319	8.9	8.75	10.96	G3	K	155548.83-251224.1

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