The Volatile Composition and Activity Evolution of Main-belt Comet 358P/PANSTARRS

The Volatile Composition and Activity Evolution of Main-belt Comet 358P/PANSTARRS

We report the detection of water vapor associated with main-belt comet 358P/PANSTARRS on UT 2024 January 8–9 using the NIRSPEC instrument on board JWST. We derive a water production rate of ${Q}_{{{\rm{H}}}_{2}{\rm{O}}}=(5.0\pm 0.2)\,\times {10}^{25}$ molecules s ^−1 , marking only the second direct...

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Main Authors: Henry H. Hsieh, John W. Noonan, Michael S. P. Kelley, Dennis Bodewits, Jana Pittichová, Audrey Thirouin, Marco Micheli, Matthew M. Knight, Michele T. Bannister, Colin O. Chandler, Carrie E. Holt, Matthew J. Hopkins, Yaeji Kim, Nicholas A. Moskovitz, William J. Oldroyd, Jack Patterson, Scott S. Sheppard, Nicole Tan, Chadwick A. Trujillo, Quanzhi Ye
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Planetary Science Journal
Subjects:
Main-belt comets
Comets
Small Solar System bodies
Main belt asteroids
Online Access:https://doi.org/10.3847/PSJ/ad9199
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https://doi.org/10.3847/PSJ/ad9199

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