20509+1517 J 3113

 
 
20h 51m 01.66s +15° 19' 45.0" P.A. 111.00 sep 4.8 mag 12.80,12.90
 
 
Coord 2000 20509+1517 Discov num J  3113 Comp Coord arcsec 2000 20 51 01.66 +15 19 45.0
Date first 1944 Date last 2015 Obs 6
Pa first 105 Pa last 110.7 P.A. Now (θ) 110.7°
Sep first 4.0 Sep last 4.751 Sep. Now (ρ) 4.751"
Mag pri 12.80 Mag sec 12.90 delta mag (ΔM) 0.1 Spectral class
Pri motion ra -018 Sec motion ra +008
Pri motion dec +007 Sec motion dec -016
Notes
rPM=1.797
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1762755600206149632