18031+4828 STF 2277 AB (HD 165358)

 
 
18h 03m 08.87s +48° 27' 51.3" P.A. 128.00 sep 26.8 mag 6.25,8.93 Sp A1V dist. 164.74 pc (537.38 l.y.)
 
 
Coord 2000 18031+4828 Discov num STF2277 Comp AB Coord arcsec 2000 18 03 08.87 +48 27 51.3
Date first 1830 Date last 2018 Obs 70
Pa first 118 Pa last 128.1 P.A. Now (θ) 128.1°
Sep first 27.6 Sep last 26.771 Sep. Now (ρ) 26.771"
Mag pri 6.25 Mag sec 8.93 delta mag (ΔM) 2.68 Spectral class A1V (white)
Pri motion ra +018 Sec motion ra +005
Pri motion dec +011 Sec motion dec -012
Notes N (See Notes)
rPM=1.252
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
 
 
Name HD 165358 Constellation Hercules SAO 47173 HIP 88415
Tycho2 3528-02120-1 Gaia DR2 2122719386264539136 HD 165358 HR 6753
GC 24607 ADS 11028 BD BD+48 2627 Distance 164.74
Distance ly 537.38