17237+4717 STF2164AB

 
 
17h 23m 44.61s +47 16' 14.3" P.A. 14 sep 9.4 mag 8.16,9.81 Sp F8 dist. 84.82 pc (276.68 l.y.)
 
 
Coord 2000
17237+4717
Discov num
STF2164
Comp
AB
Coord arcsec 2000
17 23 44.61 +47 16 14.3
Date first
1829
Date last
2016
Obs
26
Pa first
17
Pa last
14
P.A. Now (θ)
14°
Sep first
8.8
Sep last
9.4
Sep. Now (ρ)
9.4"
Mag pri
8.16
Mag sec
9.81
delta mag (ΔM)
1.65
Spectral class
F8 (yellow-white)
Pri motion ra
-021
Sec motion ra
-019
Pri motion dec
+036
Sec motion dec
+036
Notes
rPM=0.048 (< 0.3, Physical double)
This double is physical.
 
 
17237+4717 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 46691 17237+4717 STF2164 AB 1829 2016 26 14 9.4 8.16 9.81 1.65 <===
Show 46691 17237+4717 WAL 80 AC 1944 2003 4 159 111.4 8.16 12.27 4.11
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
13.9
Precise sep
9.367
Constellation
Hercules
SAO
46691
HIP
85118
Tycho2
3512-00608-1
HD
157906
BD
BD+47 2469
Distance
84.82
Distance ly
276.68
last precise pa
13.9
last precise sep
9.367
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17237+4717 STF2164 AB 2003 23 13 8.9 8.16 9.81 F8 D 172344.61+471614.3
17237+4717 STF2164 AB 2016 26 14 9.4 8.16 9.81 F8 172344.61+471614.3

If you need more information about this double, apply for a data request form to the WDS.