06336-1207 HU 43 (HD 46543)
06h 33m 31.71s -12° 07' 09.3" P.A. 309.00 sep 0.9 mag 8.63,9.38 Sp B9/A0V
| Coord 2000 |
06336-1207 |
|
Discov num |
HU 43 |
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Comp |
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Coord arcsec 2000 |
06 33 31.71 -12 07 09.3 |
|
| Date first |
1900 |
|
Date last |
2018 |
|
Obs |
19 |
|
| Pa first |
314 |
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Pa last |
309.4 |
|
P.A. Now (θ) |
309.4° |
|
| Sep first |
1.1 |
|
Sep last |
0.917 |
|
Sep. Now (ρ) |
0.917" |
|
| Mag pri |
8.63 |
|
Mag sec |
9.38 |
|
delta mag (ΔM) |
0.75 |
|
Spectral class |
B9/A0V (blue-white) |
|
| Pri motion ra |
-048 |
|
Sec motion ra |
-048 |
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| Pri motion dec |
-215 |
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Sec motion dec |
-215 |
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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 46543 |
|
Constellation |
Canis Major |
|
Tycho2 |
5373-01176-1 |
|
Gaia DR2 |
2952108524949601152 |
|
| HD |
46543 |
|
ADS |
5193 |
|
ORBITAL ELEMENTS
| Period (P) | 158.0373y | ± 12.4645 |
Periastron (T) | 1978.9578y | ± 1.0571 |
Semi-major axis (a) | 0.61649a | ± 0.01826 |
| Eccentricity (e) | 0.86532 | ± 0.02318 |
Inclination (i) | 67.352° | ± 2.744 |
Longitude of periastron (ω) | 354.992° | ± 6.077 |
| Node (Ω) | 138.93° | ± 2.73 |
Notes | n | |
Reference | Izm2019 | |
| Equinox | | |
Last observation | 2010 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
305.6 |
0.597 |
| 2001 |
306.0 |
0.618 |
| 2002 |
306.4 |
0.639 |
| 2003 |
306.8 |
0.659 |
| 2004 |
307.2 |
0.678 |
| 2005 |
307.6 |
0.697 |
| 2006 |
307.9 |
0.715 |
| 2007 |
308.2 |
0.733 |
| 2008 |
308.5 |
0.750 |
| 2009 |
308.8 |
0.766 |
| 2010 |
309.1 |
0.783 |
| 2011 |
309.4 |
0.798 |
| 2012 |
309.6 |
0.814 |
| 2013 |
309.9 |
0.829 |
| 2014 |
310.1 |
0.843 |
| 2015 |
310.3 |
0.857 |
| 2016 |
310.5 |
0.871 |
| 2017 |
310.8 |
0.884 |
| 2018 |
311.0 |
0.897 |
| 2019 |
311.2 |
0.909 |
| 2020 |
311.4 |
0.921 |
| 2021 |
311.6 |
0.933 |
| 2022 |
311.8 |
0.945 |
| 2023 |
312.0 |
0.956 |
| 2024 |
312.1 |
0.966 |
| 2025 |
312.3 |
0.977 |
| 2026 |
312.5 |
0.987 |
| 2027 |
312.7 |
0.996 |
| 2028 |
312.8 |
1.005 |
| 2029 |
313.0 |
1.014 |
| 2030 |
313.1 |
1.023 |
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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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