20015+0040 HDO 315 (HD 189738)

 
 
20h 01m 32.86s +00 39' 46.3" P.A. 203.00 sep 8.7 mag 9.04,12.50 Sp K2
 
 
Coord 2000 20015+0040 Discov num HDO 315 Comp Coord arcsec 2000 20 01 32.86 +00 39 46.3
Date first 1900 Date last 2015 Obs 9
Pa first 199 Pa last 203 P.A. Now (θ) 203°
Sep first 9.4 Sep last 8.672 Sep. Now (ρ) 8.672"
Mag pri 9.04 Mag sec 12.50 delta mag (ΔM) 3.46 Spectral class K2 (yellow-orange)
Pri motion ra +006 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189738 Constellation Aquila SAO 125366 Tycho2 0494-02144-1
Gaia DR2 4237420098652573696 HD 189738