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Tentative detection of the rotation of Eris

Roe, Henry G. and Pike, Rosemary E. and Brown, Michael E. (2008) Tentative detection of the rotation of Eris. Icarus, 198 (2). pp. 459-464. ISSN 0019-1035. doi:10.1016/j.icarus.2008.08.001.

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We report a multi-week sequence of B-band photometric measurements of the dwarf planet Eris using the Swift satellite. The use of an observatory in low-Earth orbit provides better temporal sampling than is available with a ground-based telescope. We find no compelling evidence for an unusually slow rotation period of multiple days, as has been suggested previously. A not, vert, similar1.08 day rotation period is marginally detected at a modest level of statistical confidence (~97%). Analysis of the combination of the Swift data with the ground-based B-band measurements of Rabinowitz et al. [Rabinowitz, D.L., Schaefer, B.E., Tourtellotte, S.W., 2007. Astron. J. 133, 26–43] returns the same period (~1.08 day) at a slightly higher statistical confidence (~99%).

Item Type:Article
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Brown, Michael E.0000-0002-8255-0545
Additional Information:© 2008 Elsevier. Received 30 April 2008; revised 28 July 2008. Available online 4 September 2008. We thank David Rabinowitz and an anonymous referee.
Subject Keywords:Kuiper belt
Issue or Number:2
Record Number:CaltechAUTHORS:ROEica08
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:12934
Deposited By: Archive Administrator
Deposited On:11 Jan 2009 04:27
Last Modified:08 Nov 2021 22:34

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