17131+5408 STF 2146 AB

 
 
17h 12m 58.26s +54° 07' 20.9" P.A. 224.00 sep 2.6 mag 8.71,10.56 Sp ms ms
 
 
Coord 2000 17131+5408 Discov num STF2146 Comp AB Coord arcsec 2000 17 12 58.26 +54 07 20.9
Date first 2015 Date last 2015 Obs 1
Pa first 224 Pa last 224.3 P.A. Now (θ) 224.3°
Sep first 2.6 Sep last 2.636 Sep. Now (ρ) 2.636"
Mag pri 8.71 Mag sec 10.56 delta mag (ΔM) 1.85 Spectral class ms ms
Pri motion ra -024 Sec motion ra -030
Pri motion dec +102 Sec motion dec +099
Notes V (Proper motion indicates physical)
rPM=0.064 (< 0.3, Physical double)
This double is physical.
 
 
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 Gaia DR2 1419938560543496192