06274-2544 B 114 (HD 45609)
06h 27m 24.10s -25° 44' 04.4" P.A. 32.00 sep 0.5 mag 9.05,9.36 Sp KO+K1 dist. 41.36 pc (134.92 l.y.)
Coord 2000 |
06274-2544 |
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Discov num |
B 114 |
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Comp |
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Coord arcsec 2000 |
06 27 24.10 -25 44 04.4 |
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Date first |
1926 |
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Date last |
2021 |
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Obs |
54 |
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Pa first |
294 |
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Pa last |
32.1 |
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P.A. Now (θ) |
35.8° |
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Sep first |
0.4 |
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Sep last |
0.541 |
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Sep. Now (ρ) |
0.506" |
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Mag pri |
9.05 |
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Mag sec |
9.36 |
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delta mag (ΔM) |
0.31 |
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Spectral class |
KO+K1 (yellow-orange/yellow-orange) |
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Pri motion ra |
+001 |
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Sec motion ra |
+001 |
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Pri motion dec |
+088 |
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Sec motion dec |
+088 |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 45609 |
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Constellation |
Canis Major |
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SAO |
171781 |
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HIP |
30733 |
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Tycho2 |
6511-01088-1 |
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HD |
45609 |
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ADS |
5092 |
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CD |
CD-25 3240 |
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CP |
CP-25 1445 |
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Distance |
41.36 |
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Distance ly |
134.92 |
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ORBITAL ELEMENTS
Period (P) | 59.71y | ± 0.1 |
Periastron (T) | 2037.1y | ± 0.3 |
Semi-major axis (a) | 0.428a | ± 0.003 |
Eccentricity (e) | 0.538 | ± 0.005 |
Inclination (i) | 21.2° | ± 1.5 |
Longitude of periastron (ω) | 358.5° | ± 10 |
Node (Ω) | 179.6° | ± 8 |
Notes | n | |
Reference | Doc2016i | |
Equinox | 2000 | |
Last observation | 2015 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
343.2 |
0.626 |
2001 |
345.4 |
0.634 |
2002 |
347.5 |
0.641 |
2003 |
349.6 |
0.647 |
2004 |
351.7 |
0.652 |
2005 |
353.7 |
0.655 |
2006 |
355.7 |
0.657 |
2007 |
357.7 |
0.658 |
2008 |
359.7 |
0.658 |
2009 |
1.7 |
0.657 |
2010 |
3.7 |
0.654 |
2011 |
5.8 |
0.650 |
2012 |
7.9 |
0.645 |
2013 |
10.0 |
0.639 |
2014 |
12.1 |
0.631 |
2015 |
14.3 |
0.623 |
2016 |
16.6 |
0.613 |
2017 |
19.0 |
0.601 |
2018 |
21.4 |
0.589 |
2019 |
24.0 |
0.575 |
2020 |
26.7 |
0.560 |
2021 |
29.5 |
0.543 |
2022 |
32.6 |
0.525 |
2023 |
35.8 |
0.506 |
2024 |
39.4 |
0.485 |
2025 |
43.2 |
0.463 |
2026 |
47.5 |
0.440 |
2027 |
52.2 |
0.416 |
2028 |
57.6 |
0.390 |
2029 |
63.7 |
0.363 |
2030 |
70.8 |
0.336 |
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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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