12312-5707 DUN 124 AB (Gacrux)

 
 
12h 31m 09.95s -57° 06' 47.5" P.A. 24.00 sep 133.2 mag 1.83,6.45 Sp M3.5III dist. 27.15 pc (88.56 l.y.)
 
 
Coord 2000 12312-5707 Discov num DUN 124 Comp AB Coord arcsec 2000 12 31 09.95 -57 06 47.5
Date first 1826 Date last 2018 Obs 21
Pa first 41 Pa last 24.3 P.A. Now (θ) 24.3°
Sep first 93.1 Sep last 133.2 Sep. Now (ρ) 133.2"
Mag pri 1.83 Mag sec 6.45 delta mag (ΔM) 4.62 Spectral class M3.5III (red)
Pri motion ra +028 Sec motion ra +005
Pri motion dec -264 Sec motion dec -014
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.946
This double is not physical.
 
 
12312-5707 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Gacrux 240019 12 31 10 -57 06 48 DUN 124 AB 2018 21 24 133.2 1.83 6.45 4.62 <===
Show 240019 12 31 10 -57 06 48 DUN 124 AC 2018 8 68 168.1 1.83 9.74 7.91
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Gacrux Var name NSV5672 Cru Constellation Crux SAO 240019
HIP 61084 Tycho2 8654-03422-1 HD 108903 HR 4763
GC 17052 CD CD-56 4504 CP CP-56 5272 Bayer Gamma Crucis
Bayer name Gam Cru FK5 468 Distance 27.15 Distance ly 88.56
Bayer greek γ Cru
Meaning range of the cross