20577+3711 SEI 1331

 
 
20h 57m 43.91s +37° 11' 20.8" P.A. 49.00 sep 26.6 mag 12.54,13.36
 
 
Coord 2000 20577+3711 Discov num SEI1331 Comp Coord arcsec 2000 20 57 43.91 +37 11 20.8
Date first 1896 Date last 2020 Obs 9
Pa first 50 Pa last 48.5 P.A. Now (θ) 48.5°
Sep first 24.9 Sep last 26.581 Sep. Now (ρ) 26.581"
Mag pri 12.54 Mag sec 13.36 delta mag (ΔM) 0.82 Spectral class
Pri motion ra -008 Sec motion ra +001
Pri motion dec -014 Sec motion dec -006
Notes
rPM=0.747
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1871585291186224128