20023+6706 SKF 1242 (HD 190809)

 
 
20h 02m 19.93s +67 05' 31.2" P.A. 13.00 sep 20.8 mag 9.26,10.65 Sp F2
 
 
Coord 2000 20023+6706 Discov num SKF1242 Comp Coord arcsec 2000 20 02 19.93 +67 05 31.2
Date first 1893 Date last 2015 Obs 15
Pa first 13 Pa last 13.4 P.A. Now (θ) 13.4°
Sep first 21.1 Sep last 20.828 Sep. Now (ρ) 20.828"
Mag pri 9.26 Mag sec 10.65 delta mag (ΔM) 1.39 Spectral class F2 (yellow-white)
Pri motion ra -011 Sec motion ra -011
Pri motion dec +009 Sec motion dec +009
Notes V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190809 Constellation Draco SAO 18671 Tycho2 4244-00405-1
Gaia DR2 2248315190756992896 HD 190809 DM BD+66 1266