17171+4540 DVG 2

 
 
17h 17m 08.07s +45° 39' 31.9" P.A. 256.00 sep 22.6 mag 11.70,11.80
 
 
Coord 2000 17171+4540 Discov num DVG   2 Comp Coord arcsec 2000 17 17 08.07 +45 39 31.9
Date first 1893 Date last 2016 Obs 19
Pa first 257 Pa last 256.1 P.A. Now (θ) 256.1°
Sep first 22.7 Sep last 22.6 Sep. Now (ρ) 22.6"
Mag pri 11.70 Mag sec 11.80 delta mag (ΔM) 0.1 Spectral class
Pri motion ra +012 Sec motion ra +122
Pri motion dec -029 Sec motion dec -033
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.871
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 3508-01107-1 Gaia DR2 1361633589226494720