05117+0031 HU 33 (V1085 Ori)
05h 11m 41.35s +00° 30' 52.5" P.A. 338.00 sep 0.2 mag 7.20,7.60 Sp B9Vn dist. 393.7 pc (1284.25 l.y.)
Coord 2000 |
05117+0031 |
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Discov num |
HU 33 |
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Comp |
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Coord arcsec 2000 |
05 11 41.35 +00 30 52.5 |
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Date first |
1899 |
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Date last |
2014 |
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Obs |
29 |
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Pa first |
324 |
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Pa last |
337.7 |
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P.A. Now (θ) |
333.6° |
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Sep first |
0.2 |
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Sep last |
0.163 |
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Sep. Now (ρ) |
0.166" |
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Mag pri |
7.20 |
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Mag sec |
7.60 |
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delta mag (ΔM) |
0.4 |
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Spectral class |
B9Vn (blue-white) |
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Pri motion ra |
+007 |
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Sec motion ra |
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Pri motion dec |
+002 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Var name |
V1085 Ori |
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Constellation |
Orion |
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SAO |
112505 |
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HIP |
24196 |
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Tycho2 |
0099-00503-1 |
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Gaia DR2 |
3227858933027078400 |
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HD |
33647 |
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HR |
1690 |
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GC |
6359 |
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ADS |
3767 |
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BD |
BD+00 974 |
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Distance |
393.7 |
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Distance ly |
1284.25 |
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ORBITAL ELEMENTS
Period (P) | 143.39y | |
Periastron (T) | 1961.11y | |
Semi-major axis (a) | 0.121a | |
Eccentricity (e) | 0.785 | |
Inclination (i) | 137.7° | |
Longitude of periastron (ω) | 295.5° | |
Node (Ω) | 90.6° | |
Notes | n | |
Reference | Ana2004 | |
Equinox | 2000 | |
Last observation | 1998 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
350.3 |
0.137 |
2001 |
349.4 |
0.139 |
2002 |
348.5 |
0.140 |
2003 |
347.7 |
0.142 |
2004 |
346.8 |
0.143 |
2005 |
346.0 |
0.145 |
2006 |
345.2 |
0.146 |
2007 |
344.5 |
0.148 |
2008 |
343.7 |
0.149 |
2009 |
342.9 |
0.151 |
2010 |
342.2 |
0.152 |
2011 |
341.5 |
0.153 |
2012 |
340.8 |
0.155 |
2013 |
340.1 |
0.156 |
2014 |
339.4 |
0.157 |
2015 |
338.7 |
0.158 |
2016 |
338.0 |
0.159 |
2017 |
337.4 |
0.160 |
2018 |
336.7 |
0.161 |
2019 |
336.1 |
0.162 |
2020 |
335.4 |
0.163 |
2021 |
334.8 |
0.164 |
2022 |
334.2 |
0.165 |
2023 |
333.6 |
0.166 |
2024 |
333.0 |
0.166 |
2025 |
332.4 |
0.167 |
2026 |
331.8 |
0.168 |
2027 |
331.2 |
0.169 |
2028 |
330.6 |
0.169 |
2029 |
330.0 |
0.170 |
2030 |
329.4 |
0.170 |
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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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