21487+2144 BRT 2500

 
 
21h 48m 45.97s +21° 43' 36.8" P.A. 243.00 sep 4.6 mag 11.20,11.70
 
 
Coord 2000 21487+2144 Discov num BRT2500 Comp Coord arcsec 2000 21 48 45.97 +21 43 36.8
Date first 1894 Date last 2016 Obs 11
Pa first 240 Pa last 242.5 P.A. Now (θ) 242.5°
Sep first 4.5 Sep last 4.575 Sep. Now (ρ) 4.575"
Mag pri 11.20 Mag sec 11.70 delta mag (ΔM) 0.5 Spectral class
Pri motion ra +048 Sec motion ra -022
Pri motion dec +006 Sec motion dec -005
Notes
rPM=1.465
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pegasus Tycho2 1678-00093-1 Gaia DR2 1793290000181412352