17209+2430 S 687 AC
17h 20m 54.22s +24° 29' 58.0" P.A. 20.00 sep 240.3 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 |
2015 |
|
Obs |
7 |
|
| Pa first |
20 |
|
Pa last |
19.5 |
|
P.A. Now (θ) |
19.5° |
|
| Sep first |
239.7 |
|
Sep last |
240.252 |
|
Sep. Now (ρ) |
240.252" |
|
| 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) |
|
rPM=0.959
This double is not physical.
17209+2430 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
70 Her |
85021 |
17 20 54 +24 29 58 |
S 687 AB |
2015 |
22 |
56 |
223.6 |
5.12 |
9.33 |
4.21 |
|
|
| Show |
|
85021 |
17 20 54 +24 29 58 |
S 687 AC |
2015 |
7 |
20 |
240.3 |
5.12 |
12.58 |
7.46 |
|
<=== |
| Show |
|
85021 |
17 20 54 +24 29 58 |
GUI 41 AD |
2020 |
9 |
223 |
221.7 |
5.12 |
10.76 |
5.64 |
|
|
| Show |
|
85021 |
17 20 54 +24 29 58 |
SLE 689 AE |
2002 |
4 |
29 |
550.2 |
5.12 |
11.32 |
6.20 |
|
|
| Show |
|
|
17 21 08 +24 32 02 |
S 687 BC |
2015 |
12 |
314 |
146.5 |
9.33 |
12.58 |
3.25 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
85021 |
|
HIP |
84887 |
|
Tycho2 |
2078-01803-1 |
|
| Gaia DR2 |
4570163825096824448 |
|
HD |
157198 |
|
HR |
6457 |
|
GC |
23447 |
|
| BD |
BD+24 3167 |
|
Flamsteed |
70 Herculis |
|
Flamsteed name |
70 Her |
|
Distance |
131.06 |
|
| Distance ly |
427.52 |
|
