18031+4828 STF 2277 AC

 
 
18h 03m 08.87s +48° 27' 51.3" P.A. 297.00 sep 99.7 mag 6.25,10.19 Sp A2V dist. 164.74 pc (537.38 l.y.)
 
 
Coord 2000 18031+4828 Discov num STF2277 Comp AC Coord arcsec 2000 18 03 08.87 +48 27 51.3
Date first 1895 Date last 2015 Obs 21
Pa first 284 Pa last 297.2 P.A. Now (θ) 297.2°
Sep first 88.4 Sep last 99.72 Sep. Now (ρ) 99.72"
Mag pri 6.25 Mag sec 10.19 delta mag (ΔM) 3.94 Spectral class A2V (white)
Pri motion ra +018 Sec motion ra -004
Pri motion dec +011 Sec motion dec +231
Notes N (See Notes)
rPM=0.957
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 SAO 47173 HIP 88415 Tycho2 3528-02120-1
Gaia DR2 2122719386264539136 HD 165358 HR 6753 ADS 11028
BD BD+48 2627 Distance 164.74 Distance ly 537.38