20121+3938 SEI 997

 
 
20h 12m 03.92s +39 37' 42.2" P.A. 146.00 sep 10.3 mag 11.20,11.50
 
 
Coord 2000 20121+3938 Discov num SEI 997 Comp Coord arcsec 2000 20 12 03.92 +39 37 42.2
Date first 1892 Date last 2015 Obs 12
Pa first 148 Pa last 146.4 P.A. Now (θ) 146.4°
Sep first 10.4 Sep last 10.348 Sep. Now (ρ) 10.348"
Mag pri 11.20 Mag sec 11.50 delta mag (ΔM) 0.3 Spectral class
Pri motion ra -002 Sec motion ra -002
Pri motion dec -002 Sec motion dec -003
Notes
rPM=0.277 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2062372140832179968