14493-1409 BU 106 AB (Mu Lib)
14h 49m 19.09s -14° 08' 56.3" P.A. 8.00 sep 1.9 mag 5.61,6.62 Sp A1pSrCrEu dist. 72.94 pc (237.93 l.y.)
| Coord 2000 |
14493-1409 |
|
Discov num |
BU 106 |
|
Comp |
AB |
|
Coord arcsec 2000 |
14 49 19.09 -14 08 56.3 |
|
| Date first |
1873 |
|
Date last |
2023 |
|
Obs |
112 |
|
| Pa first |
340 |
|
Pa last |
8.4 |
|
P.A. Now (θ) |
7.3° |
|
| Sep first |
1.3 |
|
Sep last |
1.89 |
|
Sep. Now (ρ) |
1.939" |
|
| Mag pri |
5.61 |
|
Mag sec |
6.62 |
|
delta mag (ΔM) |
1.01 |
|
Spectral class |
A1pSrCrEu (white) |
|
| Pri motion ra |
-065 |
|
Sec motion ra |
-059 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-016 |
|
| Notes |
N
O
T
(See Notes, Orbital solution, Parallax indicates physical) |
|
rPM=0.095 (< 0.3, Physical double)
This double is physical.
14493-1409 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Mu Lib |
158821 |
14 49 19 -14 08 56 |
BU 106 AB |
2023 |
112 |
8 |
1.9 |
5.61 |
6.62 |
1.01 |
Y |
<=== |
| Show |
|
158821 |
14 49 19 -14 08 56 |
BU 106 AC |
2016 |
8 |
295 |
12.3 |
5.61 |
14.70 |
9.09 |
|
|
| Show |
|
158821 |
14 49 19 -14 08 56 |
BU 106 AD |
2016 |
9 |
165 |
25.0 |
5.61 |
14.10 |
8.49 |
|
|
| Show |
|
158821 |
14 49 19 -14 08 56 |
BU 106 AE |
2016 |
12 |
232 |
26.6 |
5.61 |
12.60 |
6.99 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Mu Lib |
|
Var name |
NSV6816 Lib |
|
Constellation |
Libra |
|
SAO |
158821 |
|
| HIP |
72489 |
|
Tycho2 |
5590-00994-1 |
|
Gaia DR2 |
6311246118378830080 |
|
HD |
130559 |
|
| HR |
5523 |
|
GC |
19938 |
|
ADS |
9396 |
|
BD |
BD-13 3986 |
|
| Bayer |
Mu Librae |
|
Bayer name |
Mu Lib |
|
Flamsteed |
7 Librae |
|
Flamsteed name |
7 Lib |
|
| Distance |
72.94 |
|
Distance ly |
237.93 |
|
Bayer greek |
μ Lib |
|
ORBITAL ELEMENTS
| Period (P) | 614y | |
Periastron (T) | 1655y | |
Semi-major axis (a) | 1.587a | |
| Eccentricity (e) | 0.65 | |
Inclination (i) | 52.9° | |
Longitude of periastron (ω) | 116.5° | |
| Node (Ω) | 46.5° | |
Notes | n | |
Reference | Zir2015a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
3.4 |
1.921 |
| 2001 |
3.5 |
1.923 |
| 2002 |
3.7 |
1.925 |
| 2003 |
3.9 |
1.926 |
| 2004 |
4.1 |
1.928 |
| 2005 |
4.3 |
1.930 |
| 2006 |
4.4 |
1.931 |
| 2007 |
4.6 |
1.933 |
| 2008 |
4.8 |
1.935 |
| 2009 |
5.0 |
1.936 |
| 2010 |
5.2 |
1.938 |
| 2011 |
5.4 |
1.939 |
| 2012 |
5.5 |
1.941 |
| 2013 |
5.7 |
1.942 |
| 2014 |
5.9 |
1.944 |
| 2015 |
6.1 |
1.945 |
| 2016 |
6.2 |
1.947 |
| 2017 |
6.4 |
1.948 |
| 2018 |
6.6 |
1.949 |
| 2019 |
6.8 |
1.951 |
| 2020 |
7.0 |
1.952 |
| 2021 |
7.1 |
1.953 |
| 2022 |
7.3 |
1.954 |
| 2023 |
7.5 |
1.956 |
| 2024 |
7.7 |
1.957 |
| 2025 |
7.8 |
1.958 |
| 2026 |
8.0 |
1.959 |
| 2027 |
8.2 |
1.960 |
| 2028 |
8.4 |
1.961 |
| 2029 |
8.6 |
1.962 |
| 2030 |
8.7 |
1.963 |
| 2031 |
8.9 |
1.964 |
| 2032 |
9.1 |
1.965 |
| 2033 |
9.3 |
1.966 |
| 2034 |
9.4 |
1.966 |
| 2035 |
9.6 |
1.967 |
| 2036 |
9.8 |
1.968 |
| 2037 |
10.0 |
1.969 |
| 2038 |
10.1 |
1.969 |
| 2039 |
10.3 |
1.970 |
| 2040 |
10.5 |
1.971 |
| 2041 |
10.7 |
1.971 |
| 2042 |
10.8 |
1.972 |
| 2043 |
11.0 |
1.972 |
| 2044 |
11.2 |
1.973 |
| 2045 |
11.3 |
1.973 |
| 2046 |
11.5 |
1.974 |
| 2047 |
11.7 |
1.974 |
| 2048 |
11.9 |
1.974 |
| 2049 |
12.0 |
1.975 |
| 2050 |
12.2 |
1.975 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
