03579+4001 STF 471 AB (Eps Per)

 
 
03h 57m 51.22s +40° 00' 36.9" P.A. 12.00 sep 8.8 mag 2.85,8.88 Sp B0.5V+A2V dist. 195.69 pc (638.34 l.y.)
 
 
Coord 2000 03579+4001 Discov num STF 471 Comp AB Coord arcsec 2000 03 57 51.22 +40 00 36.9
Date first 1821 Date last 2020 Obs 50
Pa first 10 Pa last 11.8 P.A. Now (θ) 11.8°
Sep first 8.6 Sep last 8.83 Sep. Now (ρ) 8.83"
Mag pri 2.85 Mag sec 8.88 delta mag (ΔM) 6.03 Spectral class B0.5V+A2V (blue-white/white)
Pri motion ra +018 Sec motion ra
Pri motion dec -026 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
03579+4001 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Eps Per 56840 03 57 51 +40 00 37 STF 471 AB 2020 50 12 8.8 2.85 8.88 6.03 <===
Show 56840 03 57 51 +40 00 37 STF 471 AC 2015 6 10 80.1 2.85 13.90 11.05
Show 56840 03 57 51 +40 00 37 ARN 59 AD 2015 7 146 163.2 2.85 9.25 6.40
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Eps Per Constellation Perseus SAO 56840 HIP 18532
Tycho2 2868-01623-1 Gaia DR2 229898024419041280 HD 24760 HR 1220
GC 4759 ADS 2888 BD BD+39 895 Bayer Epsilon Persei
Bayer name Eps Per Flamsteed 45 Persei Flamsteed name 45 Per FK5 147
Distance 195.69 Distance ly 638.34 Bayer greek ε Per