Greensboro Day School Hooke’s Law Orbital Motion Reduced-Gravity Flight Experiment
Orbital Motion Sirius A and Sirius B
26
Orbital Motion Sirius A and Sirius B Sirius A Sirius B Center of mass
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Orbital Motion Sirius A and Sirius B. Sirius A. Sirius B. Center of mass. Orbital Motion Sirius A and Sirius B. Orbital plane (looking at an angle). Orbital plane (looking perpendicular to the orbital plane along the red arrow). Sirius A. Sirius B. Center of mass. - PowerPoint PPT Presentation
Transcript of Orbital Motion Sirius A and Sirius B
Orbital Motion
Sirius A and Sirius B
Sirius A Sirius B
Center of mass
Orbital Motion Sirius A and Sirius B
Sirius A Sirius B
Center of mass
Orbital plane (looking perpendicular to the orbital plane along the red arrow)
Orbital plane (looking at an angle)
Orbital Motion Sirius A and Sirius B
Sirius A Sirius B
Center of mass
0 31 62 93 124
arc-seconds
Plane of the Sky
Sirius A on the sky
Sirius A and B in space
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The "center of mass" will remain fixed in the following slides.
Watch the orbits carefully.
1880
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1885
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1890
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1895
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1900
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1905
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1910
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1915
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1920
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1925
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1930
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1935
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1940
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1945
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1950
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1955
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Search for Companions Around SiriusJ.M. Bonnet-Bidaud , F. Colas and J. Lecacheux Astronomy and Astrophysics v360, 991-996 (2000)
4 arc-minutesor 1/15 degree
W
North
E
