15185-4753 DUN 180BC

 
 
15h 18m 31.94s -47 52' 30.3" P.A. 129 sep 24.1 mag 4.99,6.34 Sp B8Ve dist. 102.88 pc (335.59 l.y.)
 
 
Coord 2000
15185-4753
Discov num
DUN 180
Comp
BC
Coord arcsec 2000
15 18 31.94 -47 52 30.3
Date first
1847
Date last
2010
Obs
20
Pa first
129
Pa last
129
P.A. Now (θ)
129°
Sep first
22.1
Sep last
24.1
Sep. Now (ρ)
24.1"
Mag pri
4.99
Mag sec
6.34
delta mag (ΔM)
1.35
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
128.9
Precise sep
24.07
Constellation
Lupus
SAO
225638
HIP
74911
Tycho2
8298-04182-1
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
128.9
last precise sep
24.07
 
 
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 BC 1992 10 129 22.9 4.93 6.34 151831.99-475230.7
15185-4753 DUN 180 BC 1999 11 129 23.0 4.93 6.34 N 151831.99-475230.7
15185-4753 DUN 180 BC 2010 12 129 24.1 4.99 6.34 B8Ve N 151831.94-475230.3

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