16054-1948 H 3   7AC

 
 
16h 05m 26.23s -19 48' 19.4" P.A. 20 sep 13.9 mag 2.59,4.52 Sp B0.5V+B2V dist. 123.92 pc (404.23 l.y.)
 
 
Coord 2000
16054-1948
Discov num
H 3   7
Comp
AC
Coord arcsec 2000
16 05 26.23 -19 48 19.4
Date first
1779
Date last
2016
Obs
136
Pa first
25
Pa last
20
P.A. Now (θ)
20°
Sep first
14.4
Sep last
13.9
Sep. Now (ρ)
13.9"
Mag pri
2.59
Mag sec
4.52
delta mag (ΔM)
1.93
Spectral class
B0.5V+B2V (blue-white/blue-white)
Pri motion ra
-007
Sec motion ra
-035
Pri motion dec
-025
Sec motion dec
-007
Notes
N (See Notes)
rPM=0.933
This double is not 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
 
 
Precise pa
20
Precise sep
13.94
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
20
last precise sep
13.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16054-1948 H 3 7 AC 2007 122 21 13.6 2.59 4.52 B2V N D 160526.23-194819.4
16054-1948 H 3 7 AC 2008 124 19 11.9 2.59 4.52 B0.5V+B2V N D 160526.23-194819.4
16054-1948 H 3 7 AC 2010 128 20 13.5 2.59 4.52 B0.5V+B2V N D 160526.23-194819.4
16054-1948 H 3 7 AC 2012 129 19 13.6 2.59 4.52 B0.5V B2V N D 160526.23-194819.4
16054-1948 H 3 7 AC 2014 131 19 13.4 2.59 4.52 B0.5V B2V N D 160526.23-194819.4
16054-1948 H 3 7 AC 2015 133 18 13.5 2.59 4.52 B0.5V+B2V N 160526.23-194819.4
16054-1948 H 3 7 AC 2016 136 20 13.9 2.59 4.52 B0.5V+B2V N 160526.23-194819.4

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