17209+2430 S   687AC

 
 
17H 20M 54.22S +24 29' 58.0" P.A. 20 SEP 240.4 MAG 5.12,12.58 SP A2V DIST. 131.06 PC (427.52 L.Y.)
 
 
Coord 2000
17209+2430
Discov num
S   687
Comp
AC
Coord arcsec 2000
17 20 54.22 +24 29 58.0
Date first
1894
Date last
2012
Obs
6
Pa first
20
Pa last
20
P.A. Now (θ)
20°
Sep first
239.7
Sep last
240.4
Sep. Now (ρ)
240.4"
Mag pri
5.12
Mag sec
12.58
delta mag (ΔM)
7.46
Spectral class
A2V (white)
Pri motion ra
-019
Sec motion ra
-001
Pri motion dec
-001
Sec motion dec
-004
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
17209+2430 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 70 Her 85021 17209+2430 S 687 AB 1879 2012 21 56 223.2 5.12 9.33 4.21
Show 85021 17209+2430 S 687 AC 1894 2012 6 20 240.4 5.12 12.58 7.46 <===
Show 85021 17209+2430 GUI 41 AD 1894 2012 6 222 222.2 5.12 10.76 5.64
Show 85021 17209+2430 SLE 689 AE 1982 2002 4 29 550.2 5.12 11.32 6.20
Show 85022 17209+2430 S 687 BC 1894 2002 7 314 146.5 9.33 12.58 3.25
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
85021
HIP
84887
Tycho2
2078-01803-1
HD
157198
HR
6457
GC
23447
BD
BD+24 3167
Flamsteed
70 Herculis
Flamsteed name
70 Her
Distance
131.06
Distance ly
427.52
last precise pa
20.1
last precise sep
240.42