15227-4441 DUN 182 AC (Eps Lup)

 
 
15h 22m 40.89s -44° 41' 22.5" P.A. 168.00 sep 26.2 mag 3.56,9.10 Sp B2IV-V dist. 156.99 pc (512.1 l.y.)
 
 
Coord 2000 15227-4441 Discov num DUN 182 Comp AC Coord arcsec 2000 15 22 40.89 -44 41 22.5
Date first 1826 Date last 2020 Obs 26
Pa first 174 Pa last 167.8 P.A. Now (θ) 167.8°
Sep first 19.1 Sep last 26.17 Sep. Now (ρ) 26.17"
Mag pri 3.56 Mag sec 9.10 delta mag (ΔM) 5.54 Spectral class B2IV-V (blue-white)
Pri motion ra -014 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
15227-4441 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 225712 15 22 41 -44 41 22 RIZ 13 Aa,Ab 2010 1 25 0.1 3.60 5.10 1.50
Show 225712 15 22 41 -44 41 22 COP 2 AB 2021 47 24 0.2 3.56 5.04 1.48 Y
Show Eps Lup 225712 15 22 41 -44 41 22 DUN 182 AC 2020 26 168 26.2 3.56 9.10 5.54 <===
Show 225712 15 22 41 -44 41 22 RIZ 13 AD 2016 3 190 38.9 3.37 16.20 12.83
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Eps Lup Constellation Lupus SAO 225712 HIP 75264
Tycho2 7847-02505-1 Gaia DR2 6000130236633865856 HD 136504 HR 5708
GC 20659 CD CD-4410066 CP CP-44 7342 Bayer Epsilon Lupi
Bayer name Eps Lup Distance 156.99 Distance ly 512.1 Bayer greek ε Lup