18569+5645 STF 2433 AC

 
 
18h 56m 55.18s +56° 44' 57.4" P.A. 140.00 sep 39.5 mag 7.17,12.65 Sp F2V dist. 141.24 pc (460.72 l.y.)
 
 
Coord 2000 18569+5645 Discov num STF2433 Comp AC Coord arcsec 2000 18 56 55.18 +56 44 57.4
Date first 1905 Date last 2015 Obs 10
Pa first 126 Pa last 139.9 P.A. Now (θ) 139.9°
Sep first 36.0 Sep last 39.493 Sep. Now (ρ) 39.493"
Mag pri 7.17 Mag sec 12.65 delta mag (ΔM) 5.48 Spectral class F2V (yellow-white)
Pri motion ra +037 Sec motion ra -017
Pri motion dec +041 Sec motion dec -048
Notes
rPM=1.885
This double is not physical.
 
 
18569+5645 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 176409 31286 18 56 55 +56 44 57 STF 2433 AB 2017 23 122 7.4 7.17 10.09 2.92
Show 31286 18 56 55 +56 44 57 STF 2433 AC 2015 10 140 39.5 7.17 12.65 5.48 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 31286 HIP 93013 Tycho2 3927-01050-1
Gaia DR2 2153379130566804992 HD 176409 BD BD+56 2167 Distance 141.24
Distance ly 460.72