02217+5345 HJ 2128 AB

 
 
02h 21m 39.54s +53° 44' 24.4" P.A. 49.00 sep 9.3 mag 10.45,12.00
 
 
Coord 2000 02217+5345 Discov num HJ 2128 Comp AB Coord arcsec 2000 02 21 39.54 +53 44 24.4
Date first 1903 Date last 2015 Obs 12
Pa first 59 Pa last 49.4 P.A. Now (θ) 49.4°
Sep first 10.4 Sep last 9.29 Sep. Now (ρ) 9.29"
Mag pri 10.45 Mag sec 12.00 delta mag (ΔM) 1.55 Spectral class
Pri motion ra +001 Sec motion ra -012
Pri motion dec -005 Sec motion dec -002
Notes
rPM=1.097
This double is not physical.
 
 
02217+5345 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 02 21 40 +53 44 24 HJ 2128 AB 2015 12 49 9.3 10.45 12.00 1.55 <===
Show 02 21 40 +53 44 24 OPI 1 AC 2015 8 103 16.3 10.45 13.70 3.25
Show 02 21 40 +53 44 24 OPI 1 AD 2015 13 137 105.5 10.45 11.35 0.90
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus Tycho2 3686-00140-1 Gaia DR2 455525953701908736