12048-6200 DUN 117AC

 
 
12h 04m 46.98s -61 59' 48.6" P.A. 19 sep 25.1 mag 7.40,10.02 Sp B8/9Iab/b dist. 558.66 pc (1822.35 l.y.)
 
 
Coord 2000
12048-6200
Discov num
DUN 117
Comp
AC
Coord arcsec 2000
12 04 46.98 -61 59 48.6
Date first
1837
Date last
2015
Obs
16
Pa first
20
Pa last
19
P.A. Now (θ)
19°
Sep first
26.6
Sep last
25.1
Sep. Now (ρ)
25.1"
Mag pri
7.40
Mag sec
10.02
delta mag (ΔM)
2.62
Spectral class
B8/9Iab/b (blue-white)
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
+000
Sec motion dec
+002
Notes
N (See Notes)
rPM=0.316
Nature of this double is uncertain.
 
 
12048-6200 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 251721 12048-6200 DUN 117 AB 1826 2016 28 149 22.8 7.40 7.83 0.43
Show 251721 12048-6200 DUN 117 AC 1837 2015 16 19 25.1 7.40 10.02 2.62 <===
Show 251721 12048-6200 ANT 9 AD 2014 2014 1 116 3.2 7.40 13.00 5.60
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
19.3
Precise sep
25.127
Cdsa2 id
DUN 117 AC
Constellation
Crux
SAO
251721
HIP
58906
Tycho2
8978-05686-1
HD
104901
CD
CD-61 3325
CP
CP-61 2933
Ra deg
12.079716666666666
De deg
-61.996833333333335
Distance
558.66
Distance ly
1822.35
last precise pa
19.3
last precise sep
25.127
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12048-6200 DUN 117 AC 2000 12 18 25.1 7.40 10.02 N D 120446.98-615948.6
12048-6200 DUN 117 AC 2001 14 20 25.0 7.40 10.02 N D 120446.98-615948.6
12048-6200 DUN 117 AC 2014 15 19 25.7 7.40 10.02 B8/9Iab/b N 120446.98-615948.6
12048-6200 DUN 117 AC 2015 16 19 25.1 7.40 10.02 B8/9Iab/b N 120446.98-615948.6

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