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American Astronomical Society, Research Notes of the American Astronomical Society, 9(5), p. 211, 2021

DOI: 10.3847/2515-5172/ac26c9

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New or Increased Cometary Activity in (2060) 95P/Chiron

Journal article published in 2021 by Matthew M. Dobson ORCID, Megan E. Schwamb ORCID, Alan Fitzsimmons ORCID, Michael S. P. Kelley ORCID, Tim Lister ORCID, Luke J. Shingles ORCID, Larry Denneau ORCID, A. N. Heinze ORCID, Ken W. Smith ORCID, John L. Tonry ORCID, Henry Weiland ORCID, David R. Young ORCID, Susan D. Benecchi ORCID, Anne J. Verbiscer ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Abstract Asteroid Terrestrial-impact Last Alert System (ATLAS) observations of Centaur (2060) 95P/Chiron show a brightening in the apparent magnitude not due rotational light curves or phase effects. This onset or enhancement of cometary activity started after 2021 February 8 UT and continued in later observations from 2021 June 18 UT onward. Recent ATLAS observations and deeper follow-up imaging obtained using the Las Cumbres Observatory 1.0 m robotic telescope network find no confirmed signature of coma or tail-like features.