20177+3740 SLE 989

 
 
20h 17m 44.92s +37 40' 30.3" P.A. 223.00 sep 8.9 mag 12.30,13.60
 
 
Coord 2000 20177+3740 Discov num SLE 989 Comp Coord arcsec 2000 20 17 44.92 +37 40 30.3
Date first 1985 Date last 2022 Obs 9
Pa first 218 Pa last 222.9 P.A. Now (θ) 222.9°
Sep first 9.0 Sep last 8.91 Sep. Now (ρ) 8.91"
Mag pri 12.30 Mag sec 13.60 delta mag (ΔM) 1.3 Spectral class
Pri motion ra -008 Sec motion ra -008
Pri motion dec -016 Sec motion dec -009
Notes R (Red magnitudes)
rPM=0.391
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2060671432560497152