12547-5909 SHT 48 AB

Coord 2000	12547-5909		Discov num	SHT  48		Comp	AB		Coord arcsec 2000	12 54 39.18 -59 08 48.1
Date first	2000		Date last	2000		Obs	1
Pa first	255		Pa last	254.5		P.A. Now (θ)	254.5°
Sep first	3.5		Sep last	3.522		Sep. Now (ρ)	3.522"
Mag pri	5.64		Mag sec	16.17		delta mag (ΔM)	10.53		Spectral class	B4Vne (blue-white)
Pri motion ra	-033		Sec motion ra
Pri motion dec	-015		Sec motion dec
Notes	W K (, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Lam Cru	240368	12 54 39 -59 08 48	BLK 9 Aa,Ab	1987	1	170	0.6	4.60
Show			12 54 39 -59 08 48	SHT 48 AB	2000	1	255	3.5	5.64	16.17	10.53		<===
Show			12 54 39 -59 08 48	SHT 48 AC	2000	1	308	6.9	5.64	16.70	11.06

Quadruple system
3 estimated visually detectable stars in this system

Constellation

Crux

Gaia DR2

6057088443681190272