20023-4554 I 660 (HD 189503)

 
 
20h 02m 20.53s -45 53' 59.9" P.A. 277.00 sep 1.8 mag 10.28,11.30 Sp F5/6V
 
 
Coord 2000 20023-4554 Discov num I   660 Comp Coord arcsec 2000 20 02 20.53 -45 53 59.9
Date first 1909 Date last 2016 Obs 5
Pa first 280 Pa last 277.4 P.A. Now (θ) 277.4°
Sep first 1.0 Sep last 1.803 Sep. Now (ρ) 1.803"
Mag pri 10.28 Mag sec 11.30 delta mag (ΔM) 1.02 Spectral class F5/6V (yellow-white)
Pri motion ra +022 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189503 Constellation Telescopium Tycho2 8391-02044-1 Gaia DR2 6673298087472897920
HD 189503