18031+4828 STF 2277 BC

 
 
18h 03m 11.05s +48° 27' 35.2" P.A. 300.00 sep 126.4 mag 8.93,10.19 Sp G9III dist. 146.84 pc (478.99 l.y.)
 
 
Coord 2000 18031+4828 Discov num STF2277 Comp BC Coord arcsec 2000 18 03 11.05 +48 27 35.2
Date first 1895 Date last 2015 Obs 21
Pa first 288 Pa last 299.8 P.A. Now (θ) 299.8°
Sep first 114.7 Sep last 126.442 Sep. Now (ρ) 126.442"
Mag pri 8.93 Mag sec 10.19 delta mag (ΔM) 1.26 Spectral class G9III (yellow)
Pri motion ra +005 Sec motion ra -004
Pri motion dec -012 Sec motion dec +231
Notes N (See Notes)
rPM=1.053
This double is not physical.
 
 
18031+4828 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 165358 47173 18 03 09 +48 27 51 STF 2277 AB 2018 70 128 26.8 6.25 8.93 2.68
Show 47173 18 03 09 +48 27 51 STF 2277 AC 2015 21 297 99.7 6.25 10.19 3.94
Show 18 03 11 +48 27 35 STF 2277 BC 2015 21 300 126.4 8.93 10.19 1.26 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 88420 Gaia DR2 2122719386264539264 Distance 146.84
Distance ly 478.99