13496-4228 SHT 53 AC (Mu Cen)

Coord 2000	13496-4228		Discov num	SHT  53		Comp	AC		Coord arcsec 2000	13 49 37.01 -42 28 25.3
Date first	2000		Date last	2016		Obs	4
Pa first	304		Pa last	303.9		P.A. Now (θ)	303.9°
Sep first	4.6		Sep last	4.638		Sep. Now (ρ)	4.638"
Mag pri	3.97		Mag sec	10.06		delta mag (ΔM)	6.09		Spectral class	B2Vnpe (blue-white)
Pri motion ra	-024		Sec motion ra	-026
Pri motion dec	-019		Sec motion dec	-019
Notes	N V K (See Notes, Proper motion indicates physical, 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 rPM=0.062 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		224471	13 49 37 -42 28 25	RIZ 8 Aa,Ab	2010	1	80	0.1	3.50	6.70	3.20
Show		224471	13 49 37 -42 28 25	HDO 226 AB	2016	9	127	45.5	3.46	12.96	9.50
Show	Mu Cen	224471	13 49 37 -42 28 25	SHT 53 AC	2016	4	304	4.6	3.97	10.06	6.09		<===

Quadruple system
3 estimated visually detectable stars in this system

Name	Mu Cen		Constellation	Centaurus		SAO	224471		HIP	67472
Tycho2	7797-02743-1		Gaia DR2	6109087784487667712		HD	120324		HR	5193
GC	18667		CD	CD-41 8172		CP	CP-41 6480		Bayer	Mu Centauri
Bayer name	Mu Cen		FK5	508		Distance	155.04		Distance ly	505.74
Bayer greek	μ Cen