20492-5447 NSN 451

 
 
20h 49m 10.19s -54 46' 39.9" P.A. 17.00 sep 23.4 mag 9.75,15.95 dist. 40.14 pc (130.94 l.y.)
 
 
Coord 2000 20492-5447 Discov num NSN 451 Comp Coord arcsec 2000 20 49 10.19 -54 46 39.9
Date first 1995 Date last 2016 Obs 3
Pa first 16 Pa last 17.4 P.A. Now (θ) 17.4°
Sep first 23.1 Sep last 23.426 Sep. Now (ρ) 23.426"
Mag pri 9.75 Mag sec 15.95 delta mag (ΔM) 6.2 Spectral class
Pri motion ra +183 Sec motion ra +184
Pri motion dec -278 Sec motion dec -278
Notes T (Parallax indicates physical)
rPM=0.003 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Spectr K3V Constellation Indus SAO 246742 HIP 102753
Tycho2 8795-00344-1 HD 197921 CD CD-55 8627 CP CP-55 9465
Distance 40.14 Distance ly 130.94