18355+2104 STF 2345 (HD 171704)

 
 
18h 35m 31.17s +21° 04' 27.1" P.A. 225.00 sep 12.3 mag 9.08,10.48 Sp G dist. 121.36 pc (395.88 l.y.)
 
 
Coord 2000 18355+2104 Discov num STF2345 Comp Coord arcsec 2000 18 35 31.17 +21 04 27.1
Date first 1829 Date last 2018 Obs 70
Pa first 183 Pa last 224.8 P.A. Now (θ) 224.8°
Sep first 7.4 Sep last 12.28 Sep. Now (ρ) 12.28"
Mag pri 9.08 Mag sec 10.48 delta mag (ΔM) 1.4 Spectral class G (yellow)
Pri motion ra +046 Sec motion ra -005
Pri motion dec +002 Sec motion dec -004
Notes L (Linear solution)
rPM=1.115
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171704 Constellation Hercules SAO 86223 HIP 91140
Tycho2 1582-01303-1 Gaia DR2 4525824609965907712 HD 171704 GC 25405
BD BD+20 3853 Distance 121.36 Distance ly 395.88