18314+0628 STF 2329 (HD 170881)

 
 
18h 31m 26.49s +06° 27' 36.9" P.A. 42.00 sep 4.3 mag 8.16,9.44 Sp B9IV-V dist. 202.02 pc (658.99 l.y.)
 
 
Coord 2000 18314+0628 Discov num STF2329 Comp Coord arcsec 2000 18 31 26.49 +06 27 36.9
Date first 1830 Date last 2016 Obs 45
Pa first 43 Pa last 42.2 P.A. Now (θ) 42.2°
Sep first 4.2 Sep last 4.286 Sep. Now (ρ) 4.286"
Mag pri 8.16 Mag sec 9.44 delta mag (ΔM) 1.28 Spectral class B9IV-V (blue-white)
Pri motion ra -021 Sec motion ra -005
Pri motion dec -020 Sec motion dec -008
Notes N (See Notes)
rPM=0.69
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170881 Constellation Ophiuchus SAO 123602 HIP 90807
Tycho2 0458-00924-1 Gaia DR2 4285028780352136320 HD 170881 GC 25290
BD BD+06 3824 Distance 202.02 Distance ly 658.99