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Proper Motion of Dense Circumstellar Knots in the Supernova Remnant Cassiopeia A

The young supernova remnant Cassiopeia A is currently interacting with the circumstellar medium expelled by its progenitor star. We analyzed the proper motion of dense circumstellar clumps, known as quasi-stationary flocculi (QSFs), embedded within the remnant using archived images from the Hubble S...

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Autori principali: Bon-Chul Koo, Sang Bum Ko, Christopher F. McKee, Carl Heiles, Robert A. Fesen, Ji Yeon Seok, Hyun-Jeong Kim, Sung-Chul Yoon
Natura: Artigo
Lingua:Inglês
Pubblicazione: IOP Publishing 2025-01-01
Serie:The Astrophysical Journal Supplement Series
Soggetti:
Supernova remnants
Core-collapse supernovae
Circumstellar matter
Stellar mass loss
Accesso online:https://doi.org/10.3847/1538-4365/adf0fd
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