05312+0318 STF 729 AB (33 Ori)

 
 
05h 31m 14.53s +03° 17' 31.7" P.A. 26.00 sep 1.8 mag 5.71,6.74 Sp B1.5V dist. 348.43 pc (1136.58 l.y.)
 
 
Coord 2000 05312+0318 Discov num STF 729 Comp AB Coord arcsec 2000 05 31 14.53 +03 17 31.7
Date first 1822 Date last 2017 Obs 126
Pa first 27 Pa last 25.5 P.A. Now (θ) 25.5°
Sep first 2.0 Sep last 1.849 Sep. Now (ρ) 1.849"
Mag pri 5.71 Mag sec 6.74 delta mag (ΔM) 1.03 Spectral class B1.5V (blue-white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -006 Sec motion dec -006
Notes N (See Notes)
Nature of this double is uncertain.
 
 
05312+0318 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 33 Ori 112861 05 31 15 +03 17 32 STF 729 AB 2017 126 26 1.8 5.71 6.74 1.03 <===
Show 112861 05 31 15 +03 17 32 STF 729 AC 2000 4 52 94.1 5.71 13.90 8.19
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 33 Ori Var name n 1 Ori Constellation Orion SAO 112861
HIP 25861 Tycho2 0118-02925-1 Gaia DR2 3224000471846149120 HD 36351
HR 1842 GC 6823 ADS 4123 BD BD+03 948
Flamsteed 33 Orionis Flamsteed name 33 Ori Distance 348.43 Distance ly 1136.58