20319+3024 BRT 280

 
 
20h 31m 51.63s +30 24' 21.8" P.A. 48.00 sep 4.8 mag 12.46,12.70
 
 
Coord 2000 20319+3024 Discov num BRT 280 Comp Coord arcsec 2000 20 31 51.63 +30 24 21.8
Date first 1901 Date last 2015 Obs 5
Pa first 48 Pa last 47.5 P.A. Now (θ) 47.5°
Sep first 4.0 Sep last 4.79 Sep. Now (ρ) 4.79"
Mag pri 12.46 Mag sec 12.70 delta mag (ΔM) 0.24 Spectral class
Pri motion ra -019 Sec motion ra +036
Pri motion dec -023 Sec motion dec +015
Notes
rPM=1.714
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2685-01640-1 Gaia DR2 1860998609121815040