17209+2430 S 687 BC
17h 21m 07.77s +24° 32' 02.4" P.A. 314.00 sep 146.5 mag 9.33,12.58 Sp F0
Coord 2000 |
17209+2430 |
|
Discov num |
S 687 |
|
Comp |
BC |
|
Coord arcsec 2000 |
17 21 07.77 +24 32 02.4 |
|
Date first |
1894 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
315 |
|
Pa last |
314 |
|
P.A. Now (θ) |
314° |
|
Sep first |
146.1 |
|
Sep last |
146.511 |
|
Sep. Now (ρ) |
146.511" |
|
Mag pri |
9.33 |
|
Mag sec |
12.58 |
|
delta mag (ΔM) |
3.25 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
+010 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
-004 |
|
Notes |
N
(See Notes) |
|
rPM=1.202
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 |
|
Tycho2 |
2078-01757-1 |
|
Gaia DR2 |
4570257627182355200 |
|