20037+3145 SEI 827 (HD 190431)

 
 
20h 03m 44.25s +31 44' 41.5" P.A. 18.00 sep 9.4 mag 8.35,11.80 Sp A1V
 
 
Coord 2000 20037+3145 Discov num SEI 827 Comp Coord arcsec 2000 20 03 44.25 +31 44 41.5
Date first 1893 Date last 2015 Obs 14
Pa first 20 Pa last 17.6 P.A. Now (θ) 17.6°
Sep first 10.9 Sep last 9.409 Sep. Now (ρ) 9.409"
Mag pri 8.35 Mag sec 11.80 delta mag (ΔM) 3.45 Spectral class A1V (white)
Pri motion ra +009 Sec motion ra -003
Pri motion dec +007 Sec motion dec -005
Notes N (See Notes)
rPM=1.488
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 190431 Constellation Cygnus SAO 69332 Tycho2 2670-00994-1
Gaia DR2 2031009087061903872 HD 190431