14492-1050 HU 141 (HD 130558)
14h 49m 10.88s -10° 49' 38.0" P.A. 311.00 sep 0.4 mag 7.92,9.21 Sp F6V dist. 141.84 pc (462.68 l.y.)
| Coord 2000 |
14492-1050 |
|
Discov num |
HU 141 |
|
Comp |
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Coord arcsec 2000 |
14 49 10.88 -10 49 38.0 |
|
| Date first |
1900 |
|
Date last |
2019 |
|
Obs |
30 |
|
| Pa first |
323 |
|
Pa last |
311.4 |
|
P.A. Now (θ) |
311.4° |
|
| Sep first |
0.4 |
|
Sep last |
0.424 |
|
Sep. Now (ρ) |
0.424" |
|
| Mag pri |
7.92 |
|
Mag sec |
9.21 |
|
delta mag (ΔM) |
1.29 |
|
Spectral class |
F6V (yellow-white) |
|
| Pri motion ra |
+039 |
|
Sec motion ra |
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| Pri motion dec |
-003 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 130558 |
|
Constellation |
Libra |
|
SAO |
158817 |
|
HIP |
72478 |
|
| Tycho2 |
5582-00793-1 |
|
Gaia DR2 |
6325539224079659648 |
|
HD |
130558 |
|
ADS |
9395 |
|
| BD |
BD-10 3967 |
|
Distance |
141.84 |
|
Distance ly |
462.68 |
|
ORBITAL ELEMENTS
| Period (P) | 173.9y | |
Periastron (T) | 1949.33y | |
Semi-major axis (a) | 0.374a | |
| Eccentricity (e) | 0.89 | |
Inclination (i) | 57.4° | |
Longitude of periastron (ω) | 114.8° | |
| Node (Ω) | 6.9° | |
Notes | | |
Reference | Zir2015a | |
| Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
302.4 |
0.361 |
| 2001 |
302.9 |
0.364 |
| 2002 |
303.4 |
0.368 |
| 2003 |
303.9 |
0.372 |
| 2004 |
304.5 |
0.375 |
| 2005 |
305.0 |
0.379 |
| 2006 |
305.4 |
0.382 |
| 2007 |
305.9 |
0.386 |
| 2008 |
306.4 |
0.389 |
| 2009 |
306.9 |
0.392 |
| 2010 |
307.3 |
0.396 |
| 2011 |
307.8 |
0.399 |
| 2012 |
308.2 |
0.402 |
| 2013 |
308.7 |
0.405 |
| 2014 |
309.1 |
0.408 |
| 2015 |
309.5 |
0.411 |
| 2016 |
309.9 |
0.413 |
| 2017 |
310.4 |
0.416 |
| 2018 |
310.8 |
0.419 |
| 2019 |
311.2 |
0.421 |
| 2020 |
311.6 |
0.424 |
| 2021 |
312.0 |
0.426 |
| 2022 |
312.3 |
0.429 |
| 2023 |
312.7 |
0.431 |
| 2024 |
313.1 |
0.433 |
| 2025 |
313.5 |
0.436 |
| 2026 |
313.9 |
0.438 |
| 2027 |
314.2 |
0.440 |
| 2028 |
314.6 |
0.442 |
| 2029 |
315.0 |
0.444 |
| 2030 |
315.3 |
0.445 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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