17131+5408 STF 2146 AC

 
 
17h 13m 06.26s +54° 08' 20.9" P.A. 234.00 sep 89.3 mag 8.36,8.87 Sp F0+G5 dist. 108.81 pc (354.94 l.y.)
 
 
Coord 2000 17131+5408 Discov num STF2146 Comp AC Coord arcsec 2000 17 13 06.26 +54 08 20.9
Date first 1901 Date last 2016 Obs 26
Pa first 231 Pa last 234.1 P.A. Now (θ) 234.1°
Sep first 88.8 Sep last 89.258 Sep. Now (ρ) 89.258"
Mag pri 8.36 Mag sec 8.87 delta mag (ΔM) 0.51 Spectral class F0+G5 (yellow-white/yellow)
Pri motion ra +001 Sec motion ra -024
Pri motion dec +066 Sec motion dec +102
Notes W
rPM=0.418
Nature of this double is uncertain.
 
 
17131+5408 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 12 58 +54 07 21 STF 2146 AB 2015 1 224 2.6 8.71 10.56 1.85
Show 30297 17 13 06 +54 08 21 STF 2146 AC 2016 26 234 89.3 8.36 8.87 0.51 <===
Show 30297 17 12 58 +54 07 28 STF 2146 CD 2018 33 225 2.8 8.87 10.50 1.63
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 30297 HIP 84236 Tycho2 3887-01068-1
Gaia DR2 1419938560543496192 HD 156162 BD BD+54 1869 Distance 108.81
Distance ly 354.94