05546+0521 STF 815 AB (HD 39731)

 
 
05h 54m 35.83s +05° 21' 13.4" P.A. 137.00 sep 13.1 mag 8.35,9.82 Sp G5 dist. 1666.67 pc (5436.68 l.y.)
 
 
Coord 2000 05546+0521 Discov num STF 815 Comp AB Coord arcsec 2000 05 54 35.83 +05 21 13.4
Date first 1831 Date last 2016 Obs 25
Pa first 140 Pa last 137.1 P.A. Now (θ) 137.1°
Sep first 12.0 Sep last 13.104 Sep. Now (ρ) 13.104"
Mag pri 8.35 Mag sec 9.82 delta mag (ΔM) 1.47 Spectral class G5 (yellow)
Pri motion ra -011 Sec motion ra -010
Pri motion dec -012 Sec motion dec -009
Notes
rPM=0.194 (< 0.3, Physical double)
This double is physical.
 
 
05546+0521 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 39731 113262 05 54 36 +05 21 13 STF 815 AB 2016 25 137 13.1 8.35 9.82 1.47 <===
Show 113262 05 54 36 +05 21 13 STF 815 AC 2015 19 309 85.4 8.35 9.75 1.40
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 39731 Constellation Orion SAO 113262 HIP 27930
Tycho2 0125-00111-1 Gaia DR2 3320196400563017856 HD 39731 GC 7433
ADS 4496 BD BD+05 1043 Distance 1666.67 Distance ly 5436.68