21155+4637 HJ 1629

 
 
21h 15m 29.87s +46° 37' 23.8" P.A. 71.00 sep 12.6 mag 9.74,10.33 Sp B8
 
 
Coord 2000 21155+4637 Discov num HJ 1629 Comp Coord arcsec 2000 21 15 29.87 +46 37 23.8
Date first 1828 Date last 2015 Obs 15
Pa first 78 Pa last 70.9 P.A. Now (θ) 70.9°
Sep first 11.0 Sep last 12.606 Sep. Now (ρ) 12.606"
Mag pri 9.74 Mag sec 10.33 delta mag (ΔM) 0.59 Spectral class B8 (blue-white)
Pri motion ra -005 Sec motion ra -002
Pri motion dec -003 Sec motion dec +002
Notes
rPM=1
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3589-07762-1 Gaia DR2 2164226225113542400