Recurring Outbursts of P/2019 LM₄ (Palomar)

Creators: Ye, Quanzhi; Kelley, Michael S. P.; Bodewits, Dennis; Bauer, James M.; Mahabal, Ashish; Masci, Frank J.; Ngeow, Chow-Choong

Abstract

We present a preliminary analysis of comet P/2019 LM₄ (Palomar) as observed by the Zwicky Transient Facility (ZTF) survey in 2019 and 2020. We find that the discovery of the comet in 2019 and the recovery in 2020 is largely attributed to two separate outbursts that are ≳2 and ≳3.9 mag in strength. The two outbursts occurred between the end of April and early May in 2019, and between 2020 May 8.31 and 9.52 UTC.

Additional Information

© 2020 The American Astronomical Society. Received 2020 May 21; Accepted 2020 May 26; Published 2020 May 28. Based on observations obtained with the Samuel Oschin Telescope 48 inch at the Palomar Observatory as part of the Zwicky Transient Facility project. ZTF is supported by the National Science Foundation under grant No. AST-1440341 and a collaboration including Caltech, IPAC, the Weizmann Institute for Science, the Oskar Klein Center at Stockholm University, the University of Maryland, the University of Washington, Deutsches Elektronen-Synchrotron and Humboldt University, Los Alamos National Laboratories, the TANGO Consortium of Taiwan, the University of Wisconsin at Milwaukee, and Lawrence Berkeley National Laboratories. Operations are conducted by COO, IPAC, and UW. Facility: PO:1.2 m. - Software: sbpy (Mommert et al. 2019), ZChecker (Kelley et al. 2019).

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Published - Recurring_Outbursts_of_P_2019_LM4__Palomar_.pdf

Submitted - 2005.10958.pdf

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