12048-6200 DUN 117AB

 
 
12h 04m 46.98s -61 59' 48.6" P.A. 149 sep 22.8 mag 7.40,7.83 Sp B8/9Iab/b dist. 558.66 pc (1822.35 l.y.)
 
 
Coord 2000
12048-6200
Discov num
DUN 117
Comp
AB
Coord arcsec 2000
12 04 46.98 -61 59 48.6
Date first
1826
Date last
2016
Obs
28
Pa first
153
Pa last
149
P.A. Now (θ)
149°
Sep first
22.7
Sep last
22.8
Sep. Now (ρ)
22.8"
Mag pri
7.40
Mag sec
7.83
delta mag (ΔM)
0.43
Spectral class
B8/9Iab/b (blue-white)
Pri motion ra
-006
Sec motion ra
-005
Pri motion dec
+000
Sec motion dec
+004
Notes
N (See Notes)
rPM=0.644
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
149
Precise sep
22.787
Constellation
Crux
SAO
251721
HIP
58906
Tycho2
8978-05686-1
HD
104901
CD
CD-61 3325
CP
CP-61 2933
Distance
558.66
Distance ly
1822.35
last precise pa
149
last precise sep
22.787
 
 
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 AB 2000 23 149 22.7 7.40 7.83 B8/9Iab/b N D 120446.98-615948.6
12048-6200 DUN 117 AB 2001 25 149 23.0 7.40 7.83 B8/9Iab/b N D 120446.98-615948.6
12048-6200 DUN 117 AB 2014 26 149 23.6 7.40 7.83 B8/9Iab/b N 120446.98-615948.6
12048-6200 DUN 117 AB 2015 27 149 22.9 7.40 7.83 B8/9Iab/b N 120446.98-615948.6
12048-6200 DUN 117 AB 2016 28 149 22.8 7.40 7.83 B8/9Iab/b N 120446.98-615948.6

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