Transition radiation in dusty novae with non-thermal radio emission

Fuente: arXiv
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Autor principal: Evans, A.
Formato: Preprint
Publicado: 2025
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author Evans, A.
author_facet Evans, A.
contents Transition radiation is produced when a relativistic charged particle enters or leaves a solid medium. The electrons that produce synchrotron radiation may interact with the dust in circumstellar environments, leading to the emission of transition radiation. We explore the production of transition radiation in dusty novae that also display synchrotron radiation emission. Transition radiation is emitted in the hard ultra-violet/X-ray range. We suggest that, even when the transition radiation is not itself directly observable, it may have a role in determining the ionisation balance of, and grain heating in, nova ejecta. Furthermore, it may be important in other dusty environments (such as supernova remnants) with non-thermal radio emission.
format Preprint
id arxiv_https___arxiv_org_abs_2507_11286
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Transition radiation in dusty novae with non-thermal radio emission
Evans, A.
Solar and Stellar Astrophysics
Transition radiation is produced when a relativistic charged particle enters or leaves a solid medium. The electrons that produce synchrotron radiation may interact with the dust in circumstellar environments, leading to the emission of transition radiation. We explore the production of transition radiation in dusty novae that also display synchrotron radiation emission. Transition radiation is emitted in the hard ultra-violet/X-ray range. We suggest that, even when the transition radiation is not itself directly observable, it may have a role in determining the ionisation balance of, and grain heating in, nova ejecta. Furthermore, it may be important in other dusty environments (such as supernova remnants) with non-thermal radio emission.
title Transition radiation in dusty novae with non-thermal radio emission
topic Solar and Stellar Astrophysics
url https://arxiv.org/abs/2507.11286