20216-5449 COO 239 (HD 193231)

 
 
20h 21m 38.36s -54 48' 45.2" P.A. 346.00 sep 4.5 mag 8.72,10.21 Sp G5V dist. 45.56 pc (148.62 l.y.)
 
 
Coord 2000 20216-5449 Discov num COO 239 Comp Coord arcsec 2000 20 21 38.36 -54 48 45.2
Date first 1890 Date last 2020 Obs 19
Pa first 3 Pa last 346.3 P.A. Now (θ) 346.3°
Sep first 4.3 Sep last 4.51 Sep. Now (ρ) 4.51"
Mag pri 8.72 Mag sec 10.21 delta mag (ΔM) 1.49 Spectral class G5V (yellow)
Pri motion ra -219 Sec motion ra -231
Pri motion dec -167 Sec motion dec -150
Notes N (See Notes)
rPM=0.076 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193231 Constellation Telescopium SAO 246544 HIP 100405
Tycho2 8781-00245-1 Gaia DR2 6472349246436307456 HD 193231 GC 28281
CD CD-55 8462 CP CP-55 9370 Distance 45.56 Distance ly 148.62