17592+6409 STF 2273 AC

 
 
17h 59m 13.71s +64° 08' 33.1" P.A. 277.00 sep 43.5 mag 7.31,12.70 Sp F4V dist. 73.1 pc (238.45 l.y.)
 
 
Coord 2000 17592+6409 Discov num STF2273 Comp AC Coord arcsec 2000 17 59 13.71 +64 08 33.1
Date first 1988 Date last 2015 Obs 8
Pa first 277 Pa last 276.8 P.A. Now (θ) 276.8°
Sep first 43.9 Sep last 43.516 Sep. Now (ρ) 43.516"
Mag pri 7.31 Mag sec 12.70 delta mag (ΔM) 5.39 Spectral class F4V (yellow-white)
Pri motion ra +017 Sec motion ra +024
Pri motion dec +015 Sec motion dec +042
Notes U (Proper motion indicates non-physical)
rPM=0.577
This double is not physical.
 
 
17592+6409 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 164984 17717 17 59 14 +64 08 33 STF 2273 AB 2019 65 282 21.4 7.31 7.63 0.32
Show 17717 17 59 14 +64 08 33 STF 2273 AC 2015 8 277 43.5 7.31 12.70 5.39 <===
Show 17717 17 59 14 +64 08 33 STF 2273 AD 2015 7 336 14.8 7.31 14.70 7.39
Show 17 59 11 +64 08 38 STF 2273 BC 2015 11 271 22.4 7.63 12.70 5.07
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 17717 HIP 88071 Tycho2 4208-01817-1
Gaia DR2 1439931598946548736 HD 164984 BD BD+64 1237 Distance 73.1
Distance ly 238.45