15313-1259 BU   33AB

 
 
15H 31M 19.42S -12 59' 07.1" P.A. 36 SEP 3.3 MAG 7.92,10.12 SP F5V DIST. 90.74 PC (295.99 L.Y.)
 
 
Coord 2000
15313-1259
Discov num
BU   33
Comp
AB
Coord arcsec 2000
15 31 19.42 -12 59 07.1
Date first
1872
Date last
2016
Obs
24
Pa first
45
Pa last
36
P.A. Now (θ)
36°
Sep first
3.0
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
7.92
Mag sec
10.12
delta mag (ΔM)
2.2
Spectral class
F5V (yellow-white)
Pri motion ra
-122
Sec motion ra
-114
Pri motion dec
+046
Sec motion dec
+051
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
15313-1259 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15313-1259 BU 33 AB 1872 2016 24 36 3.3 7.92 10.12 2.20 <===
Show 15313-1259 BU 33 AC 1898 1999 6 137 258.2 7.92 11.13 3.21
Show 15313-1259 DOO 59 AE 1898 1999 9 317 19.1 7.92 13.60 5.68
Show 15313-1259 BU 34 CD 1872 2008 17 55 6.5 11.13 11.30 0.17
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Libra
HIP
76003
Tycho2
5603-00036-3
HD
138253
BD
BD-12 4268
Distance
90.74
Distance ly
295.99
last precise pa
36.2
last precise sep
3.334