02289+7721 HJ 2129

 
 
02h 28m 57.37s +77° 19' 18.2" P.A. 155.00 sep 17.4 mag 9.92,12.70
 
 
Coord 2000 02289+7721 Discov num HJ 2129 Comp Coord arcsec 2000 02 28 57.37 +77 19 18.2
Date first 1831 Date last 2015 Obs 10
Pa first 159 Pa last 155.3 P.A. Now (θ) 155.3°
Sep first 10.0 Sep last 17.361 Sep. Now (ρ) 17.361"
Mag pri 9.92 Mag sec 12.70 delta mag (ΔM) 2.78 Spectral class
Pri motion ra -006 Sec motion ra +009
Pri motion dec +003 Sec motion dec +001
Notes
rPM=1.671
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cassiopeia Tycho2 4499-00880-1 Gaia DR2 560972692214157568