03481+2409 COU 80
03h 48m 07.11s +24° 08' 31.6" P.A. 80.00 sep 0.5 mag 9.60,10.50 Sp F6V
Coord 2000 |
03481+2409 |
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Discov num |
COU 80 |
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Comp |
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Coord arcsec 2000 |
03 48 07.11 +24 08 31.6 |
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Date first |
1966 |
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Date last |
2019 |
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Obs |
16 |
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Pa first |
109 |
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Pa last |
80.3 |
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P.A. Now (θ) |
80.3° |
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Sep first |
0.5 |
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Sep last |
0.51 |
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Sep. Now (ρ) |
0.51" |
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Mag pri |
9.60 |
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Mag sec |
10.50 |
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delta mag (ΔM) |
0.9 |
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Spectral class |
F6V (yellow-white) |
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Pri motion ra |
+018 |
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Sec motion ra |
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Pri motion dec |
-044 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
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Gaia DR2 |
66713044111973376 |
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ORBITAL ELEMENTS
Period (P) | 587.5y | ± 143.4 |
Periastron (T) | 2029.3y | ± 3.7 |
Semi-major axis (a) | 0.984a | ± 0.165 |
Eccentricity (e) | 0.477 | ± 0.063 |
Inclination (i) | 107.8° | ± 0.8 |
Longitude of periastron (ω) | 36.9° | ± 6.7 |
Node (Ω) | 87.7° | ± 0.8 |
Notes | n | |
Reference | BAE2021 | |
Equinox | | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
92.6 |
0.569 |
2001 |
92.1 |
0.569 |
2002 |
91.6 |
0.568 |
2003 |
91.1 |
0.566 |
2004 |
90.6 |
0.565 |
2005 |
90.1 |
0.563 |
2006 |
89.6 |
0.561 |
2007 |
89.1 |
0.558 |
2008 |
88.6 |
0.556 |
2009 |
88.1 |
0.553 |
2010 |
87.5 |
0.549 |
2011 |
87.0 |
0.545 |
2012 |
86.5 |
0.541 |
2013 |
85.9 |
0.537 |
2014 |
85.4 |
0.532 |
2015 |
84.8 |
0.528 |
2016 |
84.2 |
0.522 |
2017 |
83.6 |
0.517 |
2018 |
83.0 |
0.511 |
2019 |
82.4 |
0.504 |
2020 |
81.8 |
0.498 |
2021 |
81.1 |
0.491 |
2022 |
80.4 |
0.484 |
2023 |
79.7 |
0.476 |
2024 |
79.0 |
0.468 |
2025 |
78.3 |
0.460 |
2026 |
77.5 |
0.452 |
2027 |
76.7 |
0.443 |
2028 |
75.9 |
0.434 |
2029 |
75.0 |
0.425 |
2030 |
74.1 |
0.416 |
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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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