16540-4148 B  1833AB

 
 
16h 54m 01.84s -41 48' 23.0" P.A. 75 sep 0.5 mag 5.65,7.92 Sp B0.5Ia dist. 793.65 pc (2588.89 l.y.)
 
 
Coord 2000
16540-4148
Discov num
B  1833
Comp
AB
Coord arcsec 2000
16 54 01.84 -41 48 23.0
Date first
1897
Date last
2006
Obs
8
Pa first
90
Pa last
75
P.A. Now (θ)
75°
Sep first
0.2
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
5.65
Mag sec
7.92
delta mag (ΔM)
2.27
Spectral class
B0.5Ia (blue-white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
16540-4148 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227377 16540-4148 SNA 51 Aa,Ab 2011 2011 1 153 0.0 5.10 7.00 1.90
Show 227377 16540-4148 B 1833 AB 1897 2006 8 75 0.5 5.65 7.92 2.27 <===
Show 227377 16540-4148 B 1833 AC 1931 1931 1 101 5.5 5.65 13.80 8.15
Show 227377 16540-4148 SEE 293 AD 1897 1999 4 127 19.1 5.66 13.70 8.04
Show 227377 16540-4148 SEE 293 AE 1897 1999 5 281 20.5 5.66 13.00 7.34
Show 227377 16540-4148 JC 23 AF 1847 1999 13 20 56.5 5.65 6.56 0.91
Show 227380 16540-4148 SNA 51 Fa,Fb 2011 2014 16 54 0.0 6.30 8.30 2.00 Y
Show 227380 16540-4148 SEE 294 FG 1897 1999 4 48 6.2 6.59 13.00 6.41
Show 227380 16540-4148 HJ 4892 FH 1834 1999 12 299 8.7 6.59 9.60 3.01
Decuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
75.3
Precise sep
0.513
Cdsa2 id
B 1833 AB
Constellation
Scorpius
SAO
227377
HIP
82676
Tycho2
7876-02191-1
HD
152234
HR
6260
CD
CD-4111024
CP
CP-41 7716
Ra deg
16.90051111111111
De deg
-41.80638888888888
Distance
793.65
Distance ly
2588.89
last precise pa
75.3
last precise sep
0.513
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16540-4148 B 1833 AB 2006 8 75 0.5 5.65 7.92 B0.5Ia N D 165401.84-414823.0

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