15549-6045 DUN 194AC

 
 
15h 54m 52.64s -60 44' 37.1" P.A. 47 sep 44.1 mag 6.35,9.97 Sp B9II dist. 421.94 pc (1376.37 l.y.)
 
 
Coord 2000
15549-6045
Discov num
DUN 194
Comp
AC
Coord arcsec 2000
15 54 52.64 -60 44 37.1
Date first
1836
Date last
2016
Obs
16
Pa first
51
Pa last
47
P.A. Now (θ)
47°
Sep first
43.5
Sep last
44.1
Sep. Now (ρ)
44.1"
Mag pri
6.35
Mag sec
9.97
delta mag (ΔM)
3.62
Spectral class
B9II (blue-white)
Pri motion ra
-002
Sec motion ra
-001
Pri motion dec
-004
Sec motion dec
-007
Notes
N (See Notes)
rPM=0.447
Nature of this double is uncertain.
 
 
15549-6045 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 253344 15549-6045 SLR 11 AB 1891 2010 14 95 1.3 6.35 8.09 1.74
Show 253344 15549-6045 DUN 194 AC 1836 2016 16 47 44.1 6.35 9.97 3.62 <===
Show 253344 15549-6045 DUN 194 AD 1836 2016 15 257 48.4 6.35 9.02 2.67
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
47.3
Precise sep
44.1
Constellation
Triangulum Australe
SAO
253344
HIP
77927
Tycho2
9023-01271-1
HD
141913
HR
5898
CD
CD-60 5918
CP
CP-60 6191
Distance
421.94
Distance ly
1376.37
last precise pa
47.3
last precise sep
44.1
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15549-6045 DUN 194 AC 2000 13 48 44.4 6.35 9.97 D 155452.64-604437.1
15549-6045 DUN 194 AC 2013 15 47 44.7 6.35 9.97 B9II N D 155452.64-604437.1
15549-6045 DUN 194 AC 2016 16 47 44.1 6.35 9.97 B9II N 155452.64-604437.1

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