17166+2635 WHC  15CD

 
 
17H 16M 36.43S +26 34' 29.2" P.A. 329 SEP 137.1 MAG 10.55,10.27 DIST. 917.43 PC (2992.66 L.Y.)
 
 
Coord 2000
17166+2635
Discov num
WHC  15
Comp
CD
Coord arcsec 2000
17 16 36.43 +26 34 29.2
Date first
1893
Date last
2004
Obs
11
Pa first
330
Pa last
329
P.A. Now (θ)
329°
Sep first
141.9
Sep last
137.1
Sep. Now (ρ)
137.1"
Mag pri
10.55
Mag sec
10.27
delta mag (ΔM)
0.28
Spectral class
Pri motion ra
-027
Sec motion ra
-010
Pri motion dec
-050
Sec motion dec
-087
Notes
N (See Notes)
rPM=0.465
Nature of this double is uncertain.
 
 
17166+2635 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 84967 17166+2635 WHC 15 AB 1891 1992 34 94 0.1 9.40 9.70 0.30
Show 84967 17166+2635 STF2145 AB,C 1830 2013 53 184 18.8 8.87 10.55 1.68
Show 84967 17166+2635 WHC 15 AB,D 1893 2004 12 324 122.5 8.87 10.27 1.40
Show 84967 17166+2635 WHC 15 CD 1893 2004 11 329 137.1 10.55 10.27 0.28 <===
Quadruple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
84967
HIP
84512
Tycho2
2069-02393-1
Distance
917.43
Distance ly
2992.66
last precise pa
329.2
last precise sep
137.1