18237+2146 STT 587 AB (109 Her)
18h 23m 41.85s +21° 46' 11.0" P.A. 323.00 sep 238.0 mag 3.98,11.06 Sp K2.5IIIab dist. 36.47 pc (118.97 l.y.)
| Coord 2000 |
18237+2146 |
|
Discov num |
STT 587 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 23 41.85 +21 46 11.0 |
|
| Date first |
1854 |
|
Date last |
2012 |
|
Obs |
12 |
|
| Pa first |
321 |
|
Pa last |
322.7 |
|
P.A. Now (θ) |
322.7° |
|
| Sep first |
204.7 |
|
Sep last |
237.995 |
|
Sep. Now (ρ) |
237.995" |
|
| Mag pri |
3.98 |
|
Mag sec |
11.06 |
|
delta mag (ΔM) |
7.08 |
|
Spectral class |
K2.5IIIab (yellow-orange) |
|
| Pri motion ra |
+196 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-243 |
|
Sec motion dec |
+002 |
|
| Notes |
N
(See Notes) |
|
rPM=1.007
This double is not physical.
18237+2146 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
86003 |
18 23 42 +21 46 11 |
TOK 60 Aa,Ab |
2009 |
1 |
280 |
0.0 |
4.10 |
5.70 |
1.60 |
|
|
| Show |
109 Her |
86003 |
18 23 42 +21 46 11 |
STT 587 AB |
2012 |
12 |
323 |
238.0 |
3.98 |
11.06 |
7.08 |
|
<=== |
| Show |
|
86003 |
18 23 42 +21 46 11 |
STG 7 AC |
2012 |
4 |
84 |
129.1 |
3.98 |
13.10 |
9.12 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
109 Her |
|
Var name |
NSV10742 Her |
|
Constellation |
Hercules |
|
SAO |
86003 |
|
| HIP |
90139 |
|
Tycho2 |
1580-02158-1 |
|
Gaia DR2 |
4529285391531266304 |
|
HD |
169414 |
|
| HR |
6895 |
|
GC |
25116 |
|
BD |
BD+21 3411 |
|
Flamsteed |
109 Herculis |
|
| Flamsteed name |
109 Her |
|
FK5 |
690 |
|
Distance |
36.47 |
|
Distance ly |
118.97 |
|
