15465+5048 COU 2388 (HD 141373)
15h 46m 28.21s +50° 47' 59.8" P.A. 219.00 sep 0.2 mag 9.61,9.72 Sp K0 dist. 60.42 pc (197.09 l.y.)
Coord 2000 |
15465+5048 |
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Discov num |
COU2388 |
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Comp |
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Coord arcsec 2000 |
15 46 28.21 +50 47 59.8 |
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Date first |
1986 |
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Date last |
2012 |
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Obs |
11 |
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Pa first |
16 |
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Pa last |
219.1 |
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P.A. Now (θ) |
185.9° |
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Sep first |
0.3 |
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Sep last |
0.169 |
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Sep. Now (ρ) |
0.239" |
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Mag pri |
9.61 |
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Mag sec |
9.72 |
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delta mag (ΔM) |
0.11 |
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Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
+006 |
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Sec motion ra |
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Pri motion dec |
+022 |
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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 141373 |
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Constellation |
Bootes |
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SAO |
29653 |
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HIP |
77263 |
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Tycho2 |
3496-01501-1 |
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HD |
141373 |
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BD |
BD+51 2030 |
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Distance |
60.42 |
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Distance ly |
197.09 |
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ORBITAL ELEMENTS
Period (P) | 32.82y | ± 0.47 |
Periastron (T) | 2003.94y | ± 0.14 |
Semi-major axis (a) | 0.2163a | ± 0.0014 |
Eccentricity (e) | 0.276 | ± 0.014 |
Inclination (i) | 111.1° | ± 0.3 |
Longitude of periastron (ω) | 13.2° | ± 1.1 |
Node (Ω) | 17.9° | ± 0.3 |
Notes | | |
Reference | BAE2021 | |
Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
47.5 |
0.113 |
2001 |
35.9 |
0.135 |
2002 |
27.3 |
0.151 |
2003 |
19.9 |
0.158 |
2004 |
12.6 |
0.152 |
2005 |
4.1 |
0.135 |
2006 |
352.2 |
0.110 |
2007 |
332.5 |
0.083 |
2008 |
299.4 |
0.068 |
2009 |
263.1 |
0.077 |
2010 |
240.3 |
0.103 |
2011 |
227.6 |
0.135 |
2012 |
219.7 |
0.166 |
2013 |
214.2 |
0.194 |
2014 |
210.0 |
0.219 |
2015 |
206.7 |
0.239 |
2016 |
203.7 |
0.255 |
2017 |
201.1 |
0.266 |
2018 |
198.7 |
0.272 |
2019 |
196.3 |
0.274 |
2020 |
193.9 |
0.272 |
2021 |
191.5 |
0.265 |
2022 |
188.8 |
0.254 |
2023 |
185.9 |
0.239 |
2024 |
182.5 |
0.220 |
2025 |
178.5 |
0.198 |
2026 |
173.3 |
0.173 |
2027 |
166.3 |
0.146 |
2028 |
156.1 |
0.119 |
2029 |
140.2 |
0.094 |
2030 |
115.6 |
0.078 |
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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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