15055-0701 BU 119 AB (HD 133584)
15h 05m 31.91s -07° 00' 48.8" P.A. 274.00 sep 2.3 mag 8.09,8.76 Sp G0 dist. 47.6 pc (155.27 l.y.)
Coord 2000 |
15055-0701 |
|
Discov num |
BU 119 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 05 31.91 -07 00 48.8 |
|
Date first |
1873 |
|
Date last |
2019 |
|
Obs |
89 |
|
Pa first |
300 |
|
Pa last |
273.9 |
|
P.A. Now (θ) |
273.9° |
|
Sep first |
1.0 |
|
Sep last |
2.333 |
|
Sep. Now (ρ) |
2.333" |
|
Mag pri |
8.09 |
|
Mag sec |
8.76 |
|
delta mag (ΔM) |
0.67 |
|
Spectral class |
G0 (yellow) |
|
Pri motion ra |
-225 |
|
Sec motion ra |
-227 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-014 |
|
Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.041 (< 0.3, Physical double)
This double is physical.
15055-0701 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 133584 |
|
15 05 32 -07 00 49 |
BU 119 AB |
2019 |
89 |
274 |
2.3 |
8.09 |
8.76 |
0.67 |
Y |
<=== |
Show |
|
|
15 05 32 -07 00 49 |
BU 119 AC |
2015 |
7 |
98 |
77.7 |
8.09 |
12.64 |
4.55 |
|
|
Show |
|
|
15 05 32 -07 00 49 |
TOK 587 AD |
2000 |
5 |
290 |
999.9 |
7.56 |
7.72 |
0.16 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 133584 |
|
Constellation |
Libra |
|
HIP |
73846 |
|
Tycho2 |
5012-00570-1 |
|
HD |
133584 |
|
ADS |
9497 |
|
BD |
BD-06 4130 |
|
Distance |
47.6 |
|
Distance ly |
155.27 |
|
ORBITAL ELEMENTS
Period (P) | 1348.4y | ± 373 |
Periastron (T) | 1361.4y | ± 250.8 |
Semi-major axis (a) | 3.23a | ± 0.62 |
Eccentricity (e) | 0.35 | ± 0.13 |
Inclination (i) | 110.7° | ± 3.9 |
Longitude of periastron (ω) | 117.5° | ± 18.6 |
Node (Ω) | 237° | ± 4.3 |
Notes | n | |
Reference | Kiy2017 | |
Equinox | 2000 | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
277.3 |
2.194 |
2001 |
277.1 |
2.201 |
2002 |
276.9 |
2.208 |
2003 |
276.8 |
2.215 |
2004 |
276.6 |
2.221 |
2005 |
276.4 |
2.228 |
2006 |
276.2 |
2.235 |
2007 |
276.0 |
2.241 |
2008 |
275.8 |
2.248 |
2009 |
275.6 |
2.255 |
2010 |
275.5 |
2.262 |
2011 |
275.3 |
2.268 |
2012 |
275.1 |
2.275 |
2013 |
274.9 |
2.282 |
2014 |
274.8 |
2.288 |
2015 |
274.6 |
2.295 |
2016 |
274.4 |
2.302 |
2017 |
274.2 |
2.309 |
2018 |
274.1 |
2.315 |
2019 |
273.9 |
2.322 |
2020 |
273.7 |
2.329 |
2021 |
273.5 |
2.336 |
2022 |
273.4 |
2.342 |
2023 |
273.2 |
2.349 |
2024 |
273.0 |
2.356 |
2025 |
272.9 |
2.363 |
2026 |
272.7 |
2.369 |
2027 |
272.5 |
2.376 |
2028 |
272.4 |
2.383 |
2029 |
272.2 |
2.389 |
2030 |
272.1 |
2.396 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|