12546-5711 SHT 47 BC

 
 
12h 54m 36.89s -57° 10' 07.2" P.A. 241.00 sep 4.7 mag 5.80,16.60 Sp B5Vne dist. 124.84 pc (407.23 l.y.)
 
 
Coord 2000 12546-5711 Discov num SHT  47 Comp BC Coord arcsec 2000 12 54 36.89 -57 10 07.2
Date first 2000 Date last 2000 Obs 1
Pa first 241 Pa last 240.6 P.A. Now (θ) 240.6°
Sep first 4.7 Sep last 4.679 Sep. Now (ρ) 4.679"
Mag pri 5.80 Mag sec 16.60 delta mag (ΔM) 10.8 Spectral class B5Vne (blue-white)
Pri motion ra -028 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes N K (See Notes, 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.
 
 
12546-5711 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Mu1 Cru 240366 12 54 36 -57 10 40 DUN 126 AB 2020 39 17 34.5 3.94 4.95 1.01
Show 240367 12 54 37 -57 10 07 SHT 47 BC 2000 1 241 4.7 5.80 16.60 10.80 <===
Show 240367 12 54 37 -57 10 07 SHT 47 BD 2000 1 333 5.0 5.80 16.30 10.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Crux SAO 240367 HIP 63005 Tycho2 8656-03487-1
Gaia DR2 6060547331128876928 HD 112091 HR 4899 GC 17513
DM CP-56 5487 Bayer Mu 2 Crucis Bayer name Mu2 Cru Distance 124.84
Distance ly 407.23 Bayer greek μ2 Cru