21206+4219 WSI 16

 
 
21h 20m 32.79s +42° 19' 00.4" P.A. 149.00 sep 8.2 mag 9.70,9.90
 
 
Coord 2000 21206+4219 Discov num WSI  16 Comp Coord arcsec 2000 21 20 32.79 +42 19 00.4
Date first 1895 Date last 2020 Obs 16
Pa first 150 Pa last 148.7 P.A. Now (θ) 148.7°
Sep first 8.6 Sep last 8.22 Sep. Now (ρ) 8.22"
Mag pri 9.70 Mag sec 9.90 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -008 Sec motion ra -006
Pri motion dec -002 Sec motion dec -002
Notes
rPM=0.243 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1968898946502363008