03554+3103 HO 325 (X Per)

 
 
03h 55m 23.08s +31° 02' 45.1" P.A. 13.00 sep 23.4 mag 6.79,12.27 Sp O9.5pe dist. 427.35 pc (1394.02 l.y.)
 
 
Coord 2000 03554+3103 Discov num HO  325 Comp Coord arcsec 2000 03 55 23.08 +31 02 45.1
Date first 1891 Date last 2015 Obs 16
Pa first 12 Pa last 12.6 P.A. Now (θ) 12.6°
Sep first 21.8 Sep last 23.425 Sep. Now (ρ) 23.425"
Mag pri 6.79 Mag sec 12.27 delta mag (ΔM) 5.48 Spectral class O9.5pe (blue)
Pri motion ra -002 Sec motion ra +004
Pri motion dec -005 Sec motion dec +006
Notes N (See Notes)
rPM=1.738
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name X Per Constellation Perseus SAO 56815 HIP 18350
Tycho2 2357-02042-1 Gaia DR2 168450545792009600 HD 24534 HR 1209
GC 4720 ADS 2859 BD BD+30 591 Distance 427.35
Distance ly 1394.02