18312+1311 STF 2330 (HD 170879)

 
 
18h 31m 12.96s +13° 10' 55.3" P.A. 165.00 sep 16.3 mag 8.27,9.69 Sp K0 dist. 284.9 pc (929.34 l.y.)
 
 
Coord 2000 18312+1311 Discov num STF2330 Comp Coord arcsec 2000 18 31 12.96 +13 10 55.3
Date first 1828 Date last 2018 Obs 76
Pa first 187 Pa last 164.8 P.A. Now (θ) 164.8°
Sep first 20.9 Sep last 16.344 Sep. Now (ρ) 16.344"
Mag pri 8.27 Mag sec 9.69 delta mag (ΔM) 1.42 Spectral class K0 (yellow-orange)
Pri motion ra +002 Sec motion ra +017
Pri motion dec -021 Sec motion dec +001
Notes N L (See Notes, Linear solution)
rPM=1.262
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170879 Constellation Hercules SAO 103802 HIP 90777
Tycho2 1036-00164-1 Gaia DR2 4508418477598682496 HD 170879 GC 25286
ADS 11418 DM BD+13 3668 BD BD+13 3667 Distance 284.9
Distance ly 929.34