18317+7120 A 1170

 
 
18h 31m 44.53s +71° 20' 21.7" P.A. 188.00 sep 0.9 mag 9.83,12.25 Sp F8 dist. 293.26 pc (956.61 l.y.)
 
 
Coord 2000 18317+7120 Discov num A  1170 Comp Coord arcsec 2000 18 31 44.53 +71 20 21.7
Date first 1905 Date last 2011 Obs 8
Pa first 177 Pa last 188.3 P.A. Now (θ) 188.3°
Sep first 0.8 Sep last 0.877 Sep. Now (ρ) 0.877"
Mag pri 9.83 Mag sec 12.25 delta mag (ΔM) 2.42 Spectral class F8 (yellow-white)
Pri motion ra -003 Sec motion ra -007
Pri motion dec +002 Sec motion dec +003
Notes
rPM=0.541
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco HIP 90829 Tycho2 4438-01820-1 Gaia DR2 2265724582992443776
ADS 11462 BD BD+71 898 Distance 293.26 Distance ly 956.61