15383-2021 B  2786AB

 
 
15h 38m 18.57s -20 20' 55.8" P.A. 336 sep 138.9 mag 8.63,10.93 Sp K1III dist. 269.54 pc (879.24 l.y.)
 
 
Coord 2000
15383-2021
Discov num
B  2786
Comp
AB
Coord arcsec 2000
15 38 18.57 -20 20 55.8
Date first
1929
Date last
2001
Obs
6
Pa first
315
Pa last
336
P.A. Now (θ)
336°
Sep first
180.0
Sep last
138.9
Sep. Now (ρ)
138.9"
Mag pri
8.63
Mag sec
10.93
delta mag (ΔM)
2.3
Spectral class
K1III (yellow-orange)
Pri motion ra
+003
Sec motion ra
-083
Pri motion dec
-015
Sec motion dec
+010
Notes
Nature of this double is uncertain.
 
 
15383-2021 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 183648 15383-2021 B 2786 AB 1929 2001 6 336 138.9 8.63 10.93 2.30 <===
Show 15383-2021 B 2786 BC 1929 2001 5 100 3.5 10.93 12.10 1.17
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Libra
SAO
183648
HIP
76576
Tycho2
6193-00046-1
HD
139346
BD
BD-19 4164
Distance
269.54
Distance ly
879.24
last precise pa
336.2
last precise sep
138.919
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15383-2021 B 2786 AB 1998 4 336 139.0 8.63 10.93 K1III D 153818.57-202055.7
15383-2021 B 2786 AB 2001 6 336 138.9 8.63 10.93 K1III D 153818.57-202055.8

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