17166+2635 WHC  15AB

 
 
17h 16m 36.51s +26 34' 47.2" P.A. 94 sep 0.1 mag 9.40,9.70 Sp G5 dist. 201.21 pc (656.35 l.y.)
 
 
Coord 2000
17166+2635
Discov num
WHC  15
Comp
AB
Coord arcsec 2000
17 16 36.51 +26 34 47.2
Date first
1891
Date last
1992
Obs
34
Pa first
42
Pa last
94
P.A. Now (θ)
94°
Sep first
0.3
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.40
Mag sec
9.70
delta mag (ΔM)
0.3
Spectral class
G5 (yellow)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N (See Notes)
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
 
 
Precise pa
94.2
Precise sep
0.108
Constellation
Hercules
SAO
84967
HIP
84513
Tycho2
2069-02324-1
HD
156454
BD
BD+26 2990
Distance
201.21
Distance ly
656.35
last precise pa
94.2
last precise sep
0.108
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17166+2635 WHC 15 AB 1992 34 94 0.1 9.40 9.70 G5 N 171636.51+263447.2

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