18573+3925 MLB 857

 
 
18h 57m 16.29s +39° 25' 22.2" P.A. 340.00 sep 4.7 mag 12.50,12.80
 
 
Coord 2000 18573+3925 Discov num MLB 857 Comp Coord arcsec 2000 18 57 16.29 +39 25 22.2
Date first 1933 Date last 2016 Obs 10
Pa first 341 Pa last 339.6 P.A. Now (θ) 339.6°
Sep first 4.1 Sep last 4.659 Sep. Now (ρ) 4.659"
Mag pri 12.50 Mag sec 12.80 delta mag (ΔM) 0.3 Spectral class
Pri motion ra +007 Sec motion ra -008
Pri motion dec -014 Sec motion dec +018
Notes
rPM=1.794
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Gaia DR2 2103236486900120320