15227-4441 DUN 182AC

 
 
15h 22m 40.89s -44 41' 22.5" P.A. 169 sep 26.1 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
2016
Obs
23
Pa first
174
Pa last
169
P.A. Now (θ)
169°
Sep first
19.1
Sep last
26.1
Sep. Now (ρ)
26.1"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 225712 15227-4441 RIZ 13 Aa,Ab 2010 2010 1 25 0.1 3.60 5.10 1.50
Show Eps Lup 225712 15227-4441 COP 2 AB 1883 2014 42 74 0.2 3.56 5.04 1.48 Y
Show 225712 15227-4441 DUN 182 AC 1826 2016 23 169 26.1 3.56 9.10 5.54 <===
Show 225712 15227-4441 RIZ 13 AD 1999 1999 1 190 40.0 3.37 16.20 12.83
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
168.9
Precise sep
26.14
Constellation
Lupus
SAO
225712
HIP
75264
Tycho2
7847-02505-1
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
last precise pa
168.9
last precise sep
26.14
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15227-4441 DUN 182 AC 2002 21 168 24.9 3.56 9.10 B2IV-V D 152240.89-444122.5
15227-4441 DUN 182 AC 2010 22 168 26.0 3.56 9.10 B2IV-V N D 152240.89-444122.5
15227-4441 DUN 182 AC 2016 23 169 26.1 3.56 9.10 B2IV-V N 152240.89-444122.5

If you need more information about this double, apply for a data request form to the WDS.