18547+2239 BU 646 AC
18h 54m 44.88s +22° 38' 42.3" P.A. 23.00 sep 36.9 mag 4.59,11.10 Sp G4III dist. 144.72 pc (472.08 l.y.)
| Coord 2000 |
18547+2239 |
|
Discov num |
BU 646 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 54 44.88 +22 38 42.3 |
|
| Date first |
1878 |
|
Date last |
2001 |
|
Obs |
6 |
|
| Pa first |
25 |
|
Pa last |
23.4 |
|
P.A. Now (θ) |
23.4° |
|
| Sep first |
40.7 |
|
Sep last |
36.889 |
|
Sep. Now (ρ) |
36.889" |
|
| Mag pri |
4.59 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
6.51 |
|
Spectral class |
G4III (yellow) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18547+2239 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
86567 |
18 54 45 +22 38 42 |
MKT 9 Aa,Ab |
2004 |
42 |
271 |
0.0 |
4.80 |
6.80 |
2.00 |
Y |
|
| Show |
113 Her |
86567 |
18 54 45 +22 38 42 |
BU 646 AB |
2001 |
9 |
37 |
34.4 |
4.59 |
11.10 |
6.51 |
|
|
| Show |
|
86567 |
18 54 45 +22 38 42 |
BU 646 AC |
2001 |
6 |
23 |
36.9 |
4.59 |
11.10 |
6.51 |
|
<=== |
| Show |
|
|
18 54 46 +22 39 10 |
BU 646 BC |
2015 |
12 |
316 |
9.1 |
11.10 |
11.10 |
0.00 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
86567 |
|
HIP |
92818 |
|
Tycho2 |
2109-02837-1 |
|
| Gaia DR2 |
4532952022299038976 |
|
HD |
175492 |
|
HR |
7133 |
|
GC |
25954 |
|
| ADS |
11820 |
|
BD |
BD+22 3524 |
|
Flamsteed |
113 Herculis |
|
Flamsteed name |
113 Her |
|
| FK5 |
3508 |
|
Distance |
144.72 |
|
Distance ly |
472.08 |
|
