16540-4148 B 1833 AB (HD 152234)

 
 
16h 54m 01.84s -41° 48' 23.0" P.A. 75.00 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 75.3 P.A. Now (θ) 75.3°
Sep first 0.2 Sep last 0.513 Sep. Now (ρ) 0.513"
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 wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 227377 16 54 02 -41 48 23 SNA 51 Aa,Ab 2011 1 153 0.0 5.10 7.00 1.90
Show HD 152234 227377 16 54 02 -41 48 23 B 1833 AB 2006 8 75 0.5 5.65 7.92 2.27 <===
Show 227377 16 54 02 -41 48 23 B 1833 AC 2015 2 99 5.4 5.65 13.80 8.15
Show 227377 16 54 02 -41 48 23 SEE 293 AD 1999 4 127 19.1 5.66 13.70 8.04
Show 227377 16 54 02 -41 48 23 SEE 293 AE 1999 5 281 20.5 5.66 13.00 7.34
Show 227377 16 54 02 -41 48 23 JC 23 AF 2018 15 19 56.7 5.65 6.56 0.91
Show 227380 16 54 04 -41 47 30 SNA 51 Fa,Fb 2014 16 54 0.0 6.30 8.30 2.00 Y
Show 227380 16 54 04 -41 47 30 SEE 294 FG 2015 5 47 6.7 6.59 13.00 6.41
Show 227380 16 54 04 -41 47 30 HJ 4892 FH 2015 13 300 8.8 6.59 9.60 3.01
Decuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 152234 Constellation Scorpius SAO 227377 HIP 82676
Tycho2 7876-02191-1 Gaia DR2 5966510057279631488 HD 152234 HR 6260
GC 22733 CD CD-4111024 CP CP-41 7716 Distance 793.65
Distance ly 2588.89