15405-1842 HDS2211AB

 
 
15H 40M 28.43S -18 41' 44.8" P.A. 38 SEP 0.7 MAG 10.52,11.85 SP K3/K4V DIST. 40.19 PC (131.1 L.Y.)
 
 
Coord 2000
15405-1842
Discov num
HDS2211
Comp
AB
Coord arcsec 2000
15 40 28.43 -18 41 44.8
Date first
1991
Date last
2014
Obs
4
Pa first
66
Pa last
38
P.A. Now (θ)
38°
Sep first
0.9
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
10.52
Mag sec
11.85
delta mag (ΔM)
1.33
Spectral class
K3/K4V (yellow-orange)
Pri motion ra
-079
Sec motion ra
-070
Pri motion dec
-158
Sec motion dec
-157
Notes
rPM=0.051 (< 0.3, Physical double)
This double is physical.
 
 
15405-1842 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15405-1842 HDS2211 AB 1991 2014 4 38 0.7 10.52 11.85 1.33 <===
Show 15405-1842 CVN 53 AC 2005 2005 1 103 8.9 6.95 17.70 10.75
Show 15405-1842 CVN 53 AD 2005 2005 1 224 11.6 6.95 17.90 10.95
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Libra
HIP
76768
Tycho2
6189-00024-1
HD
139751
BD
BD-18 4125
Distance
40.19
Distance ly
131.1
last precise pa
37.6
last precise sep
0.74