18311+3215 STF 2333 AD

 
 
18h 31m 06.94s +32° 14' 43.4" P.A. 339.00 sep 85.8 mag 7.82,13.70 Sp B9IV dist. 216.92 pc (707.59 l.y.)
 
 
Coord 2000 18311+3215 Discov num STF2333 Comp AD Coord arcsec 2000 18 31 06.94 +32 14 43.4
Date first 1952 Date last 2015 Obs 8
Pa first 339 Pa last 338.8 P.A. Now (θ) 338.8°
Sep first 85.0 Sep last 85.769 Sep. Now (ρ) 85.769"
Mag pri 7.82 Mag sec 13.70 delta mag (ΔM) 5.88 Spectral class B9IV (blue-white)
Pri motion ra -001 Sec motion ra +002
Pri motion dec -002 Sec motion dec +016
Notes
rPM=1.132
This double is not physical.
 
 
18311+3215 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 171026 67059 18 31 07 +32 14 43 STF 2333 AB 2019 64 333 6.3 7.82 8.57 0.75
Show 67059 18 31 07 +32 14 43 STF 2333 AC 2015 10 35 164.1 7.82 12.90 5.08
Show 67059 18 31 07 +32 14 43 STF 2333 AD 2015 8 339 85.8 7.82 13.70 5.88 <===
Show 18 31 07 +32 14 49 STF 2333 BC 2015 10 37 161.1 8.57 12.90 4.33
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra SAO 67059 HIP 90766 Tycho2 2628-00495-1
Gaia DR2 4592126913461440512 HD 171026 BD BD+32 3143 Distance 216.92
Distance ly 707.59