17166+2635 STF2145AB,C

 
 
17h 16m 36.51s +26 34' 47.2" P.A. 184 sep 18.8 mag 8.87,10.55 Sp G5 dist. 201.21 pc (656.35 l.y.)
 
 
Coord 2000
17166+2635
Discov num
STF2145
Comp
AB,C
Coord arcsec 2000
17 16 36.51 +26 34 47.2
Date first
1830
Date last
2013
Obs
53
Pa first
174
Pa last
184
P.A. Now (θ)
184°
Sep first
9.8
Sep last
18.8
Sep. Now (ρ)
18.8"
Mag pri
8.87
Mag sec
10.55
delta mag (ΔM)
1.68
Spectral class
G5 (yellow)
Pri motion ra
-014
Sec motion ra
-027
Pri motion dec
+000
Sec motion dec
-050
Notes
N L (See Notes, Linear solution)
rPM=0.909
This double is not physical.
 
 
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
184.2
Precise sep
18.78
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
184.2
last precise sep
18.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17166+2635 STF2145 AB,C 2010 51 184 18.5 8.87 10.55 NLD 171636.51+263447.2
17166+2635 STF2145 AB,C 2013 53 184 18.8 8.87 10.55 G5 NLD 171636.51+263447.2

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