17165+5433 SCA 9003 AC

 
 
17h 16m 27.21s +54° 32' 39.3" P.A. 332.00 sep 80.7 mag 9.31,10.79 Sp F5 dist. 292.4 pc (953.81 l.y.)
 
 
Coord 2000 17165+5433 Discov num SCA9003 Comp AC Coord arcsec 2000 17 16 27.21 +54 32 39.3
Date first 1985 Date last 2020 Obs 10
Pa first 333 Pa last 332.3 P.A. Now (θ) 332.3°
Sep first 80.9 Sep last 80.7 Sep. Now (ρ) 80.7"
Mag pri 9.31 Mag sec 10.79 delta mag (ΔM) 1.48 Spectral class F5 (yellow-white)
Pri motion ra +007 Sec motion ra +003
Pri motion dec +000 Sec motion dec -003
Notes
rPM=0.714
Nature of this double is uncertain.
 
 
17165+5433 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 156771 30321 17 16 27 +54 32 39 SCA 9003 AB 2020 11 97 44.1 9.31 10.63 1.32
Show 30321 17 16 27 +54 32 39 SCA 9003 AC 2020 10 332 80.7 9.31 10.79 1.48 <===
Show 30321 17 16 27 +54 32 39 DAM 27 AD 2020 8 3 40.9 9.31 13.07 3.76
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 30321 HIP 84493 Tycho2 3891-01296-1
Gaia DR2 1420325893577921408 HD 156771 BD BD+54 1871 Distance 292.4
Distance ly 953.81