17178+4535 STF 2152 (HD 156857)

 
 
17h 17m 45.83s +45° 35' 00.2" P.A. 237.00 sep 2.0 mag 9.79,9.89 Sp F8
 
 
Coord 2000 17178+4535 Discov num STF2152 Comp Coord arcsec 2000 17 17 45.83 +45 35 00.2
Date first 1830 Date last 2017 Obs 36
Pa first 249 Pa last 237.4 P.A. Now (θ) 237.4°
Sep first 1.9 Sep last 1.967 Sep. Now (ρ) 1.967"
Mag pri 9.79 Mag sec 9.89 delta mag (ΔM) 0.1 Spectral class F8 (yellow-white)
Pri motion ra +063 Sec motion ra +063
Pri motion dec -056 Sec motion dec -056
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156857 Constellation Hercules SAO 46618 Tycho2 3508-01520-1
Gaia DR2 1361711237938850816 HD 156857 GC 23383