18547+2239 BU 646 BC
18h 54m 46.35s +22° 39' 10.5" P.A. 316.00 sep 9.1 mag 11.10,11.10
Coord 2000 |
18547+2239 |
|
Discov num |
BU 646 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 54 46.35 +22 39 10.5 |
|
Date first |
1877 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
339 |
|
Pa last |
315.6 |
|
P.A. Now (θ) |
315.6° |
|
Sep first |
7.0 |
|
Sep last |
9.118 |
|
Sep. Now (ρ) |
9.118" |
|
Mag pri |
11.10 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
Pri motion ra |
-089 |
|
Sec motion ra |
|
|
Pri motion dec |
+041 |
|
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 |
|
Gaia DR2 |
4532952121073147264 |
|