On some features of free precession of a triaxial body: the case of Her X-1

K.A.Postnov; M.E.Prokhorov (Sternberg Astronomical Institute Moscow State University; N.I.Shakura; Russia)

arxiv: astro-ph/9801033 · v2 · submitted 1998-01-06 · 🌌 astro-ph

On some features of free precession of a triaxial body: the case of Her X-1

N.I.Shakura , K.A.Postnov , M.E.Prokhorov (Sternberg Astronomical Institute Moscow State University , Russia) This is my paper

classification 🌌 astro-ph

keywords bodychangefreeprecessiontriaxialanomalouslycaseexplain

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We show that the free precession of a triaxial body can naturally explain the anomalously rapid change of the X-ray pulse profile of Her X-1 observed by the HEAO-1 in September 1978 without requiring a large change in the moment of inertia.

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On some features of free precession of a triaxial body: the case of Her X-1

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