16054-1948 PWL9001AD

 
 
16H 05M 26.23S -19 48' 19.4" P.A. 30 SEP 519.2 MAG 2.62,7.50 SP B0.5V+B9V DIST. 123.92 PC (404.23 L.Y.)
 
 
Coord 2000
16054-1948
Discov num
PWL9001
Comp
AD
Coord arcsec 2000
16 05 26.23 -19 48 19.4
Date first
1860
Date last
2000
Obs
4
Pa first
31
Pa last
30
P.A. Now (θ)
30°
Sep first
520.4
Sep last
519.2
Sep. Now (ρ)
519.2"
Mag pri
2.62
Mag sec
7.50
delta mag (ΔM)
4.88
Spectral class
B0.5V+B9V (blue-white/blue-white)
Pri motion ra
-007
Sec motion ra
-008
Pri motion dec
-025
Sec motion dec
-027
Notes
N (See Notes)
rPM=0.079 (< 0.3, Physical double)
This double is physical.
 
 
16054-1948 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Bet1 Sco 159682 16054-1948 BU 947 AB 1879 2000 41 171 0.3 2.62 10.60 7.98 Y
Show 159682 16054-1948 H 3 7 AC 1779 2016 136 20 13.9 2.59 4.52 1.93
Show 159682 16054-1948 PWL9001 AD 1860 2000 4 30 519.2 2.62 7.50 4.88 <===
Show 159683 16054-1948 MCA 42 CE 1971 2014 22 12 0.1 4.52 6.60 2.08 Y
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
159682
HIP
78820
HD
144217
HR
5984
GC
21609
BD
BD-19 4307
CP
CP-19 5945
Bayer
Beta 1 Scorpii
Bayer name
Bet1 Sco
Flamsteed
8 Scorpii
Flamsteed name
8 Sco
Distance
123.92
Distance ly
404.23
last precise pa
30.4
last precise sep
519.18