15202-3823 DUN 181BD

 
 
15h 20m 13.71s -38 22' 13.9" P.A. 340 sep 16.5 mag 10.18,11.52 Sp +K5Ve
 
 
Coord 2000
15202-3823
Discov num
DUN 181
Comp
BD
Coord arcsec 2000
15 20 13.71 -38 22 13.9
Date first
1929
Date last
1999
Obs
4
Pa first
351
Pa last
340
P.A. Now (θ)
340°
Sep first
18.1
Sep last
16.5
Sep. Now (ρ)
16.5"
Mag pri
10.18
Mag sec
11.52
delta mag (ΔM)
1.34
Spectral class
+K5Ve
Pri motion ra
+008
Sec motion ra
+084
Pri motion dec
+001
Sec motion dec
-048
Notes
Nature of this double is uncertain.
 
 
15202-3823 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 206530 15202-3823 DUN 181 AB 1912 1999 10 351 29.9 9.60 10.18 0.58
Show 15202-3823 DUN 181 BC 1912 1999 5 319 21.0 10.18 10.50 0.32
Show 15202-3823 DUN 181 BD 1929 1999 4 340 16.5 10.18 11.52 1.34 <===
Show 15202-3823 DUN 181 CD 1919 1999 4 92 8.2 11.65 13.30 1.65
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lupus
Tycho2
7835-02347-1
last precise pa
340.3
last precise sep
16.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15202-3823 DUN 181 BD 1929 1 351 18.1 10.32 11.30 152013.71-382213.9
15202-3823 DUN 181 BD 1999 3 340 16.5 10.32 13.30 152013.71-382213.9

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