18554+1331 BU 647 AB (HD 230073)
18h 55m 26.45s +13° 31' 06.8" P.A. 5.00 sep 1.3 mag 9.95,10.66 Sp B9
Coord 2000 |
18554+1331 |
|
Discov num |
BU 647 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 55 26.45 +13 31 06.8 |
|
Date first |
1877 |
|
Date last |
2016 |
|
Obs |
21 |
|
Pa first |
14 |
|
Pa last |
5.2 |
|
P.A. Now (θ) |
5.2° |
|
Sep first |
1.0 |
|
Sep last |
1.312 |
|
Sep. Now (ρ) |
1.312" |
|
Mag pri |
9.95 |
|
Mag sec |
10.66 |
|
delta mag (ΔM) |
0.71 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
+001 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
-009 |
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18554+1331 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 230073 |
104260 |
18 55 26 +13 31 07 |
BU 647 AB |
2016 |
21 |
5 |
1.3 |
9.95 |
10.66 |
0.71 |
|
<=== |
Show |
|
104260 |
18 55 26 +13 31 07 |
BU 647 AC |
2016 |
27 |
218 |
18.5 |
9.95 |
10.27 |
0.32 |
|
|
Show |
|
104260 |
18 55 26 +13 31 07 |
FOX 9032 AD |
2015 |
4 |
86 |
37.5 |
9.95 |
13.75 |
3.80 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 230073 |
|
Constellation |
Hercules |
|
SAO |
104260 |
|
Tycho2 |
1051-00204-1 |
|
Gaia DR2 |
4506293228998106496 |
|
HD |
230073 |
|