17161+6043 STF 2155 AB (HD 156890)

 
 
17h 16m 04.88s +60° 42' 49.7" P.A. 113.00 sep 10.0 mag 6.93,9.97 Sp F3III dist. 182.48 pc (595.25 l.y.)
 
 
Coord 2000 17161+6043 Discov num STF2155 Comp AB Coord arcsec 2000 17 16 04.88 +60 42 49.7
Date first 1830 Date last 2018 Obs 33
Pa first 116 Pa last 112.7 P.A. Now (θ) 112.7°
Sep first 9.6 Sep last 9.96 Sep. Now (ρ) 9.96"
Mag pri 6.93 Mag sec 9.97 delta mag (ΔM) 3.04 Spectral class F3III (yellow-white)
Pri motion ra +004 Sec motion ra +006
Pri motion dec +038 Sec motion dec +039
Notes
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
17161+6043 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 156890 17410 17 16 05 +60 42 50 STF 2155 AB 2018 33 113 10.0 6.93 9.97 3.04 <===
Show 17410 17 16 05 +60 42 50 WAL 79 AC 2020 9 81 134.2 6.93 9.78 2.85
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156890 Constellation Draco SAO 17410 HIP 84465
Tycho2 4198-01479-1 Gaia DR2 1437641350585937920 HD 156890 GC 23358
BD BD+60 1742 Distance 182.48 Distance ly 595.25