20177+1504 BPM 2091

 
 
20h 17m 40.38s +15 04' 17.8" P.A. 71.00 sep 77.9 mag 14.09,15.32
 
 
Coord 2000 20177+1504 Discov num BPM2091 Comp Coord arcsec 2000 20 17 40.38 +15 04 17.8
Date first 1965 Date last 2015 Obs 9
Pa first 71 Pa last 71 P.A. Now (θ) 71°
Sep first 77.8 Sep last 77.878 Sep. Now (ρ) 77.878"
Mag pri 14.09 Mag sec 15.32 delta mag (ΔM) 1.23 Spectral class
Pri motion ra -009 Sec motion ra +003
Pri motion dec +001 Sec motion dec -003
Notes N V (See Notes, Proper motion indicates physical)
rPM=1.397
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1808242018297056128