15185-4753 DUN 180AC

 
 
15h 18m 32.02s -47 52' 31.0" P.A. 128 sep 23.2 mag 4.93,6.34 Sp B8Ve dist. 102.88 pc (335.59 l.y.)
 
 
Coord 2000
15185-4753
Discov num
DUN 180
Comp
AC
Coord arcsec 2000
15 18 32.02 -47 52 31.0
Date first
1826
Date last
2016
Obs
39
Pa first
155
Pa last
128
P.A. Now (θ)
128°
Sep first
21.1
Sep last
23.2
Sep. Now (ρ)
23.2"
Mag pri
4.93
Mag sec
6.34
delta mag (ΔM)
1.41
Spectral class
B8Ve (blue-white)
Pri motion ra
-023
Sec motion ra
-029
Pri motion dec
-041
Sec motion dec
-038
Notes
N (See Notes)
rPM=0.14 (< 0.3, Physical double)
This double is physical.
 
 
15185-4753 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Mu Lup 225638 15185-4753 HJ 4753 AB 1836 2016 64 116 0.8 4.93 4.99 0.06 Y
Show 225638 15185-4753 DUN 180 AC 1826 2016 39 128 23.2 4.93 6.34 1.41 <===
Show 225638 15185-4753 HUB 15 AD 1999 1999 1 157 6.1 4.93 14.70 9.77
Show 225638 15185-4753 ARY 98 AE 1991 2013 4 188 102.3 4.93 9.41 4.48
Show 225638 15185-4753 DUN 180 BC 1847 2010 20 129 24.1 4.99 6.34 1.35
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.1
Precise sep
23.22
Constellation
Lupus
SAO
225638
HIP
74911
Tycho2
8298-04182-2
HD
135734
HR
5683
GC
20556
CD
CD-47 9860
Bayer
Mu Lupi
Bayer name
Mu Lup
Distance
102.88
Distance ly
335.59
last precise pa
128.1
last precise sep
23.22
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15185-4753 DUN 180 AC 2007 33 129 23.2 4.99 6.34 D 151832.05-475230.7
15185-4753 DUN 180 AC 2009 34 130 23.1 4.99 6.34 N D 151832.05-475230.7
15185-4753 DUN 180 AC 2010 35 128 23.1 4.99 6.34 N D 151832.05-475230.7
15185-4753 DUN 180 AC 2013 37 128 23.3 4.93 6.34 B8Ve N D 151832.02-475231.0
15185-4753 DUN 180 AC 2016 39 128 23.2 4.93 6.34 B8Ve N 151832.02-475231.0

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