20413+1551 UC 4257

 
 
20h 41m 18.32s +15° 50' 39.9" P.A. 208.00 sep 20.3 mag 15.90,16.30
 
 
Coord 2000 20413+1551 Discov num UC 4257 Comp Coord arcsec 2000 20 41 18.32 +15 50 39.9
Date first 1997 Date last 2015 Obs 4
Pa first 208 Pa last 208.4 P.A. Now (θ) 208.4°
Sep first 20.6 Sep last 20.34 Sep. Now (ρ) 20.34"
Mag pri 15.90 Mag sec 16.30 delta mag (ΔM) 0.4 Spectral class
Pri motion ra -070 Sec motion ra -080
Pri motion dec -029 Sec motion dec +006
Notes V (Proper motion indicates physical)
rPM=0.454
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1810654243723847808