17209+2430 GUI  41AD

 
 
17h 20m 54.22s +24 29' 58.0" P.A. 222 sep 222.2 mag 5.12,10.76 Sp A2V dist. 131.06 pc (427.52 l.y.)
 
 
Coord 2000
17209+2430
Discov num
GUI  41
Comp
AD
Coord arcsec 2000
17 20 54.22 +24 29 58.0
Date first
1894
Date last
2012
Obs
6
Pa first
223
Pa last
222
P.A. Now (θ)
222°
Sep first
224.1
Sep last
222.2
Sep. Now (ρ)
222.2"
Mag pri
5.12
Mag sec
10.76
delta mag (ΔM)
5.64
Spectral class
A2V (white)
Pri motion ra
-019
Sec motion ra
-002
Pri motion dec
-001
Sec motion dec
+002
Notes
N (See Notes)
rPM=0.907
This double is not physical.
 
 
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
 
 
Precise pa
221.8
Precise sep
222.19
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
221.8
last precise sep
222.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17209+2430 GUI 41 AD 1999 4 222 222.2 5.12 10.40 A2V D 172054.22+242958.0
17209+2430 GUI 41 AD 2001 5 222 222.8 5.12 10.40 A2V N D 172054.22+242958.0
17209+2430 GUI 41 AD 2012 6 222 222.2 5.12 10.40 A2V N D 172054.22+242958.0

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