21054+3937 CRB 137

 
 
21h 05m 22.59s +39° 37' 09.8" P.A. 352.00 sep 29.3 mag 11.19,14.44
 
 
Coord 2000 21054+3937 Discov num CRB 137 Comp Coord arcsec 2000 21 05 22.59 +39 37 09.8
Date first 1998 Date last 2015 Obs 7
Pa first 352 Pa last 351.7 P.A. Now (θ) 351.7°
Sep first 29.3 Sep last 29.268 Sep. Now (ρ) 29.268"
Mag pri 11.19 Mag sec 14.44 delta mag (ΔM) 3.25 Spectral class
Pri motion ra +067 Sec motion ra +010
Pri motion dec +025 Sec motion dec +041
Notes V (Proper motion indicates physical)
rPM=0.828
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3172-00222-1 Gaia DR2 1872341381540189312