20417-7521 DUN 232 (Mu2 Oct)

 
 
20h 41m 44.10s -75 21' 02.9" P.A. 19.00 sep 16.6 mag 6.51,7.07 Sp G5III dist. 44.27 pc (144.41 l.y.)
 
 
Coord 2000 20417-7521 Discov num DUN 232 Comp Coord arcsec 2000 20 41 44.10 -75 21 02.9
Date first 1826 Date last 2016 Obs 39
Pa first 14 Pa last 19.2 P.A. Now (θ) 19.2°
Sep first 18.5 Sep last 16.622 Sep. Now (ρ) 16.622"
Mag pri 6.51 Mag sec 7.07 delta mag (ΔM) 0.56 Spectral class G5III (yellow)
Pri motion ra +156 Sec motion ra +164
Pri motion dec -162 Sec motion dec -171
Notes N T (See Notes, Parallax indicates physical)
rPM=0.051 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Mu2 Oct Constellation Octans SAO 257836 HIP 102125
Tycho2 9461-01987-1 Gaia DR2 6369544118965772416 HD 196067 HR 7864
GC 28727 CD CD-75 1173 CP CP-75 1644 Bayer Mu 2 Octantis
Bayer name Mu2 Oct Distance 44.27 Distance ly 144.41 Bayer greek μ2 Oct