06345-1114 HO 234 (HD 46716)
06h 34m 32.01s -11° 13' 46.9" P.A. 4.00 sep 0.6 mag 7.73,9.05 Sp F0 dist. 103.95 pc (339.08 l.y.)
Coord 2000 |
06345-1114 |
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Discov num |
HO 234 |
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Comp |
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Coord arcsec 2000 |
06 34 32.01 -11 13 46.9 |
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Date first |
1888 |
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Date last |
2016 |
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Obs |
37 |
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Pa first |
186 |
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Pa last |
4.4 |
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P.A. Now (θ) |
4.4° |
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Sep first |
0.4 |
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Sep last |
0.617 |
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Sep. Now (ρ) |
0.617" |
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Mag pri |
7.73 |
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Mag sec |
9.05 |
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delta mag (ΔM) |
1.32 |
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Spectral class |
F0 (yellow-white) |
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Pri motion ra |
-027 |
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Sec motion ra |
-027 |
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Pri motion dec |
-002 |
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Sec motion dec |
-002 |
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Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 46716 |
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Constellation |
Canis Major |
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SAO |
151653 |
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HIP |
31356 |
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Tycho2 |
5369-00294-1 |
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Gaia DR2 |
3001763642592260736 |
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HD |
46716 |
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ADS |
5212 |
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BD |
BD-11 1536 |
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Distance |
103.95 |
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Distance ly |
339.08 |
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ORBITAL ELEMENTS
Period (P) | 542.84y | ± 113.59 |
Periastron (T) | 2456.65y | ± 121.09 |
Semi-major axis (a) | 0.942a | ± 0.063 |
Eccentricity (e) | 0.518 | ± 0.024 |
Inclination (i) | 61.7° | ± 4.1 |
Longitude of periastron (ω) | 354.1° | ± 16.3 |
Node (Ω) | 221.2° | ± 1.1 |
Notes | | |
Reference | Hrt2008 | |
Equinox | 2000 | |
Last observation | 2003 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
352.4 |
0.532 |
2001 |
353.2 |
0.540 |
2002 |
354.0 |
0.548 |
2003 |
354.8 |
0.556 |
2004 |
355.5 |
0.564 |
2005 |
356.3 |
0.572 |
2006 |
357.0 |
0.580 |
2007 |
357.7 |
0.588 |
2008 |
358.4 |
0.596 |
2009 |
359.0 |
0.604 |
2010 |
359.7 |
0.612 |
2011 |
0.3 |
0.620 |
2012 |
0.9 |
0.628 |
2013 |
1.5 |
0.637 |
2014 |
2.1 |
0.645 |
2015 |
2.7 |
0.653 |
2016 |
3.2 |
0.661 |
2017 |
3.8 |
0.669 |
2018 |
4.3 |
0.677 |
2019 |
4.8 |
0.685 |
2020 |
5.3 |
0.693 |
2021 |
5.8 |
0.701 |
2022 |
6.3 |
0.709 |
2023 |
6.8 |
0.717 |
2024 |
7.2 |
0.724 |
2025 |
7.7 |
0.732 |
2026 |
8.1 |
0.740 |
2027 |
8.5 |
0.748 |
2028 |
9.0 |
0.756 |
2029 |
9.4 |
0.764 |
2030 |
9.8 |
0.771 |
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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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