13325-6914 I 298 (HD 117445)
13h 32m 32.77s -69° 13' 54.0" P.A. 151.00 sep 0.5 mag 7.36,8.54 Sp F5II/III dist. 126.1 pc (411.34 l.y.)
Coord 2000 |
13325-6914 |
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Discov num |
I 298 |
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Comp |
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Coord arcsec 2000 |
13 32 32.77 -69 13 54.0 |
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Date first |
1898 |
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Date last |
2019 |
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Obs |
15 |
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Pa first |
220 |
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Pa last |
151.1 |
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P.A. Now (θ) |
151.1° |
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Sep first |
0.8 |
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Sep last |
0.507 |
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Sep. Now (ρ) |
0.507" |
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Mag pri |
7.36 |
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Mag sec |
8.54 |
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delta mag (ΔM) |
1.18 |
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Spectral class |
F5II/III (yellow-white) |
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Pri motion ra |
+003 |
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Sec motion ra |
+003 |
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Pri motion dec |
+007 |
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Sec motion dec |
+007 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 117445 |
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Constellation |
Musca |
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SAO |
252353 |
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HIP |
66057 |
|
Tycho2 |
9242-00163-1 |
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Gaia DR2 |
5844226802138925952 |
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HD |
117445 |
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CP |
CP-68 1944 |
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Distance |
126.1 |
|
Distance ly |
411.34 |
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ORBITAL ELEMENTS
Period (P) | 590y | |
Periastron (T) | 2030y | |
Semi-major axis (a) | 1a | |
Eccentricity (e) | 0.347 | |
Inclination (i) | 115.2° | |
Longitude of periastron (ω) | 70.3° | |
Node (Ω) | 178.8° | |
Notes | | |
Reference | USN2002 | |
Equinox | 2000 | |
Last observation | 1991 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
164.1 |
0.609 |
2001 |
163.5 |
0.601 |
2002 |
162.8 |
0.593 |
2003 |
162.1 |
0.584 |
2004 |
161.3 |
0.576 |
2005 |
160.6 |
0.567 |
2006 |
159.8 |
0.558 |
2007 |
159.0 |
0.549 |
2008 |
158.2 |
0.540 |
2009 |
157.4 |
0.531 |
2010 |
156.5 |
0.522 |
2011 |
155.6 |
0.513 |
2012 |
154.6 |
0.504 |
2013 |
153.7 |
0.494 |
2014 |
152.6 |
0.485 |
2015 |
151.6 |
0.476 |
2016 |
150.5 |
0.466 |
2017 |
149.3 |
0.457 |
2018 |
148.1 |
0.447 |
2019 |
146.9 |
0.438 |
2020 |
145.6 |
0.429 |
2021 |
144.3 |
0.419 |
2022 |
142.8 |
0.410 |
2023 |
141.4 |
0.401 |
2024 |
139.8 |
0.392 |
2025 |
138.2 |
0.383 |
2026 |
136.5 |
0.375 |
2027 |
134.7 |
0.366 |
2028 |
132.8 |
0.358 |
2029 |
130.9 |
0.350 |
2030 |
128.9 |
0.342 |
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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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