02578+4431 STF 328 AC

 
 
02h 57m 45.98s +44° 31' 26.7" P.A. 96.00 sep 46.2 mag 9.23,11.82 Sp F8 dist. 26.8 pc (87.42 l.y.)
 
 
Coord 2000 02578+4431 Discov num STF 328 Comp AC Coord arcsec 2000 02 57 45.98 +44 31 26.7
Date first 1895 Date last 2015 Obs 12
Pa first 90 Pa last 95.6 P.A. Now (θ) 95.6°
Sep first 50.0 Sep last 46.157 Sep. Now (ρ) 46.157"
Mag pri 9.23 Mag sec 11.82 delta mag (ΔM) 2.59 Spectral class F8 (yellow-white)
Pri motion ra +047 Sec motion ra +013
Pri motion dec +005 Sec motion dec -026
Notes N (See Notes)
rPM=0.973
This double is not physical.
 
 
02578+4431 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 18281 38468 02 57 46 +44 31 27 STF 328 AB 2017 55 306 14.7 9.23 9.30 0.07
Show 38468 02 57 46 +44 31 27 STF 328 AC 2015 12 96 46.2 9.23 11.82 2.59 <===
Show 38468 02 57 46 +44 31 27 B 9001 AD 2015 7 117 100.0 9.23 13.16 3.93
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus SAO 38468 HIP 13802 Tycho2 2858-02674-1
Gaia DR2 433622720000360960 HD 18281 Distance 26.8 Distance ly 87.42