12117+5050 STF 1609 AC

 
 
12h 11m 41.76s +50° 50' 15.8" P.A. 146.00 sep 68.6 mag 7.98,13.78 Sp F2 dist. 184.84 pc (602.95 l.y.)
 
 
Coord 2000 12117+5050 Discov num STF1609 Comp AC Coord arcsec 2000 12 11 41.76 +50 50 15.8
Date first 1911 Date last 2015 Obs 9
Pa first 146 Pa last 145.9 P.A. Now (θ) 145.9°
Sep first 68.6 Sep last 68.613 Sep. Now (ρ) 68.613"
Mag pri 7.98 Mag sec 13.78 delta mag (ΔM) 5.8 Spectral class F2 (yellow-white)
Pri motion ra -016 Sec motion ra -015
Pri motion dec +019 Sec motion dec +017
Notes
rPM=0.09 (< 0.3, Physical double)
This double is physical.
 
 
12117+5050 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 105980 28290 12 11 42 +50 50 16 STF 1609 AB 2017 29 204 11.2 7.98 9.55 1.57
Show 28290 12 11 42 +50 50 16 STF 1609 AC 2015 9 146 68.6 7.98 13.78 5.80 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Canes Venatici SAO 28290 HIP 59454 Tycho2 3457-00127-1
Gaia DR2 1548273317220940288 HD 105980 BD BD+51 1734 Distance 184.84
Distance ly 602.95