15042-1530 RST 3906 (HD 133316)
15h 04m 14.24s -15° 29' 51.4" P.A. 335.00 sep 0.0 mag 8.67,9.17 Sp F5/6V dist. 119.33 pc (389.25 l.y.)
Coord 2000 |
15042-1530 |
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Discov num |
RST3906 |
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Comp |
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Coord arcsec 2000 |
15 04 14.24 -15 29 51.4 |
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Date first |
1937 |
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Date last |
2021 |
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Obs |
26 |
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Pa first |
337 |
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Pa last |
335.1 |
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P.A. Now (θ) |
333.7° |
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Sep first |
0.3 |
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Sep last |
0.046 |
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Sep. Now (ρ) |
0.071" |
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Mag pri |
8.67 |
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Mag sec |
9.17 |
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delta mag (ΔM) |
0.5 |
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Spectral class |
F5/6V (yellow-white) |
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Pri motion ra |
+022 |
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Sec motion ra |
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Pri motion dec |
-042 |
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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 133316 |
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Constellation |
Libra |
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SAO |
159001 |
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HIP |
73724 |
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Tycho2 |
6169-00320-1 |
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Gaia DR2 |
6306937686361309312 |
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HD |
133316 |
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BD |
BD-14 4105 |
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Distance |
119.33 |
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Distance ly |
389.25 |
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ORBITAL ELEMENTS
Period (P) | 53.897y | ± 15.772 |
Periastron (T) | 2018.396y | ± 3.868 |
Semi-major axis (a) | 0.157a | ± 0.0278 |
Eccentricity (e) | 0.74 | ± 0.337 |
Inclination (i) | 89.4° | ± 1.5 |
Longitude of periastron (ω) | 3.7° | ± 32.1 |
Node (Ω) | 154.5° | ± 1.3 |
Notes | | |
Reference | Tok2016e | |
Equinox | 2000 | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
334.7 |
0.243 |
2001 |
334.7 |
0.236 |
2002 |
334.7 |
0.228 |
2003 |
334.7 |
0.219 |
2004 |
334.8 |
0.209 |
2005 |
334.8 |
0.199 |
2006 |
334.8 |
0.188 |
2007 |
334.9 |
0.175 |
2008 |
334.9 |
0.162 |
2009 |
335.0 |
0.147 |
2010 |
335.0 |
0.131 |
2011 |
335.1 |
0.114 |
2012 |
335.2 |
0.095 |
2013 |
335.4 |
0.075 |
2014 |
335.7 |
0.053 |
2015 |
336.4 |
0.030 |
2016 |
345.6 |
0.004 |
2017 |
153.0 |
0.021 |
2018 |
154.3 |
0.040 |
2019 |
155.0 |
0.034 |
2020 |
158.9 |
0.008 |
2021 |
332.1 |
0.020 |
2022 |
333.3 |
0.047 |
2023 |
333.7 |
0.071 |
2024 |
333.9 |
0.093 |
2025 |
334.0 |
0.113 |
2026 |
334.1 |
0.131 |
2027 |
334.1 |
0.148 |
2028 |
334.2 |
0.163 |
2029 |
334.2 |
0.177 |
2030 |
334.2 |
0.190 |
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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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