03556+5238 HDS 494 AB (HD 24431)

 
 
03h 55m 38.42s +52° 38' 28.8" P.A. 176.00 sep 0.7 mag 6.91,9.82 Sp O9IV-V dist. 442.48 pc (1443.37 l.y.)
 
 
Coord 2000 03556+5238 Discov num HDS 494 Comp AB Coord arcsec 2000 03 55 38.42 +52 38 28.8
Date first 1991 Date last 2013 Obs 10
Pa first 178 Pa last 176.3 P.A. Now (θ) 176.3°
Sep first 0.7 Sep last 0.725 Sep. Now (ρ) 0.725"
Mag pri 6.91 Mag sec 9.82 delta mag (ΔM) 2.91 Spectral class O9IV-V (blue)
Pri motion ra +000 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
03556+5238 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 24300 03 55 38 +52 38 29 CIA 38 Aa,Ab 2018 1 146 0.0 6.10 7.50 1.40
Show HD 24431 24300 03 55 38 +52 38 29 HDS 494 AB 2013 10 176 0.7 6.91 9.82 2.91 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 24431 Constellation Perseus SAO 24300 HIP 18370
Tycho2 3717-00049-1 HD 24431 GC 4708 BD BD+52 726
Distance 442.48 Distance ly 1443.37