17246+3913 S   689AB

 
 
17h 24m 38.83s +39 12' 34.2" P.A. 198 sep 91.2 mag 7.48,8.44 Sp K5 dist. 263.85 pc (860.68 l.y.)
 
 
Coord 2000
17246+3913
Discov num
S   689
Comp
AB
Coord arcsec 2000
17 24 38.83 +39 12 34.2
Date first
1825
Date last
2015
Obs
22
Pa first
198
Pa last
198
P.A. Now (θ)
198°
Sep first
89.6
Sep last
91.2
Sep. Now (ρ)
91.2"
Mag pri
7.48
Mag sec
8.44
delta mag (ΔM)
0.96
Spectral class
K5 (yellow-orange)
Pri motion ra
-019
Sec motion ra
-012
Pri motion dec
+020
Sec motion dec
+016
Notes
N Y (See Notes, Parallax indicates components are non-physical)
rPM=0.292 (< 0.3, Physical double)
This double is not physical.
 
 
17246+3913 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 66021 17246+3913 WSI 2 Aa,Ab 1997 1997 1 97 0.2 8.00
Show 66021 17246+3913 S 689 AB 1825 2015 22 198 91.2 7.48 8.44 0.96 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
198.1
Precise sep
91.19
Constellation
Hercules
SAO
66021
HIP
85201
Tycho2
3086-00235-1
HD
157946
BD
BD+39 3125
Distance
263.85
Distance ly
860.68
last precise pa
198.1
last precise sep
91.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17246+3913 S 689 AB 2003 20 197 89.9 7.48 8.44 K5 NYD 172438.83+391234.2
17246+3913 S 689 AB 2015 22 198 91.2 7.48 8.44 K5 NY 172438.83+391234.2

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