15313-1259 BU   34CD

 
 
15h 31m 31.41s -13 02' 16.5" P.A. 55 sep 6.5 mag 11.13,11.30
 
 
Coord 2000
15313-1259
Discov num
BU   34
Comp
CD
Coord arcsec 2000
15 31 31.41 -13 02 16.5
Date first
1872
Date last
2008
Obs
17
Pa first
55
Pa last
55
P.A. Now (θ)
55°
Sep first
3.0
Sep last
6.5
Sep. Now (ρ)
6.5"
Mag pri
11.13
Mag sec
11.30
delta mag (ΔM)
0.17
Spectral class
Pri motion ra
-017
Sec motion ra
+057
Pri motion dec
-018
Sec motion dec
+039
Notes
N (See Notes)
rPM=1.352
This double is not physical.
 
 
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
 
 
Precise pa
55.3
Precise sep
6.46
Constellation
Libra
Tycho2
5603-00018-1
last precise pa
55.3
last precise sep
6.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15313-1259 BU 34 CD 1987 13 52 6.3 10.80 10.50 N 153120.00-125900.0
15313-1259 BU 34 CD 1998 14 55 6.4 11.13 11.30 N 153131.41-130216.5
15313-1259 BU 34 CD 2008 15 55 6.5 11.13 11.30 N D 153131.41-130216.5

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