The Excited Spin State of 1I/2017 U1 ‘Oumuamua

J. S. Belton, Michael; R. Hainaut, Olivier; J. Meech, Karen; E. A. Mueller, Beatrice; T. Kleyna, Jan; A. Weaver, Harold; W. Buie, Marc; Drahus, Michał; Guzik, Piotr; J. Wainscoat, Richard; Waniak, Wacław; Handzlik, Barbara; Kurowski, Sebastian; Xu, Siyi; S. Sheppard, Scott; Micheli, Marco; Ebeling, Harald; V. Keane, Jacqueline

doi:10.3847/2041-8213/aab370

Public

The Excited Spin State of 1I/2017 U1 ‘Oumuamua

Published in The Astrophysical Journal Letters • Mar 26, 2018

Authors:

Michael J. S. Belton

Olivier R. Hainaut

Karen J. Meech

Abstract

Abstract We show that ‘Oumuamua’s excited spin could be in a high-energy long axis mode (LAM) state, which implies that its shape could be far from the highly elongated shape found in previous studies. CLEAN and ANOVA algorithms are used to analyze ‘Oumuamua’s lightcurve using 818 observations over ...

Subject

Physics

Angular momentum

Nutation

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