17397+2746 LDS 999AB

 
 
17H 39M 30.70S +27 45' 45.8" P.A. 21 SEP 56.4 MAG 11.12,12.72 SP M1V DIST. 24.97 PC (81.45 L.Y.)
 
 
Coord 2000
17397+2746
Discov num
LDS 999
Comp
AB
Coord arcsec 2000
17 39 30.70 +27 45 45.8
Date first
1936
Date last
2016
Obs
5
Pa first
21
Pa last
21
P.A. Now (θ)
21°
Sep first
53.0
Sep last
56.4
Sep. Now (ρ)
56.4"
Mag pri
11.12
Mag sec
12.72
delta mag (ΔM)
1.6
Spectral class
M1V (red)
Pri motion ra
+019
Sec motion ra
+017
Pri motion dec
-201
Sec motion dec
-200
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
17397+2746 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17397+2746 LDS 999 AB 1936 2016 5 21 56.4 11.12 12.72 1.60 <===
Show 17397+2746 JOD 12 BC 2008 2008 1 318 0.3 14.90 16.10 1.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
HIP
86423
Tycho2
2084-00930-1
GL
NN 4018A
Distance
24.97
Distance ly
81.45
last precise pa
21
last precise sep
56.439