03316+4752 STT 56 AB (HD 21641)

 
 
03h 31m 33.12s +47° 51' 44.9" P.A. 352.00 sep 33.4 mag 6.76,10.67 Sp B8V dist. 220.75 pc (720.09 l.y.)
 
 
Coord 2000 03316+4752 Discov num STT  56 Comp AB Coord arcsec 2000 03 31 33.12 +47 51 44.9
Date first 1843 Date last 2015 Obs 25
Pa first 351 Pa last 352.4 P.A. Now (θ) 352.4°
Sep first 22.9 Sep last 33.362 Sep. Now (ρ) 33.362"
Mag pri 6.76 Mag sec 10.67 delta mag (ΔM) 3.91 Spectral class B8V (blue-white)
Pri motion ra +022 Sec motion ra +015
Pri motion dec -027 Sec motion dec +044
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.535
This double is not physical.
 
 
03316+4752 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 21641 38908 03 31 33 +47 51 45 STT 56 AB 2015 25 352 33.4 6.76 10.67 3.91 <===
Show 38908 03 31 33 +47 51 45 WAL 23 AC 2015 6 47 45.6 6.76 12.78 6.02
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21641 Constellation Perseus SAO 38908 HIP 16430
Tycho2 3316-02310-1 Gaia DR2 248960223149560960 HD 21641 GC 4179
BD BD+47 846 Distance 220.75 Distance ly 720.09