05176-0651 H 5 25 AB (Tau Ori)

 
 
05h 17m 36.40s -06° 50' 39.8" P.A. 251.00 sep 33.3 mag 3.60,11.00 Sp B5III dist. 151.52 pc (494.26 l.y.)
 
 
Coord 2000 05176-0651 Discov num H 5  25 Comp AB Coord arcsec 2000 05 17 36.40 -06 50 39.8
Date first 1868 Date last 2011 Obs 14
Pa first 248 Pa last 250.8 P.A. Now (θ) 250.8°
Sep first 31.3 Sep last 33.26 Sep. Now (ρ) 33.26"
Mag pri 3.60 Mag sec 11.00 delta mag (ΔM) 7.4 Spectral class B5III (blue-white)
Pri motion ra -018 Sec motion ra +000
Pri motion dec -009 Sec motion dec -000
Notes N S (See Notes, Parallax indidates non-physical)
rPM=1
This double is not physical.
 
 
05176-0651 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Tau Ori 131952 05 17 36 -06 50 40 H 5 25 AB 2011 14 251 33.3 3.60 11.00 7.40 <===
Show 131952 05 17 36 -06 50 40 HJ 2259 AD 2011 15 61 35.4 3.60 10.90 7.30
Show 05 17 34 -06 50 51 BU 188 BC 2016 12 52 3.9 11.00 10.90 0.10
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Tau Ori Constellation Orion SAO 131952 HIP 24674
Tycho2 4764-01639-1 Gaia DR2 3207534529306910720 HD 34503 HR 1735
GC 6480 ADS 3877 BD BD-07 1028 Bayer Tau Orionis
Bayer name Tau Ori Flamsteed 20 Orionis Flamsteed name 20 Ori FK5 195
Distance 151.52 Distance ly 494.26 Bayer greek τ Ori