Low-frequency radio view of a fast-blue optical transient - AT2018cow

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/8682

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DC Field	Value	Language
dc.contributor.author	Nayana, A. J	-
dc.contributor.author	Chandra, Poonam	-
dc.date.accessioned	2025-04-08T05:50:17Z	-
dc.date.available	2025-04-08T05:50:17Z	-
dc.date.issued	2024	-
dc.identifier.citation	Proceedings of the International Astronomical Union, Vol. 361, pp. 602 - 604	en_US
dc.identifier.issn	1743-9213	-
dc.identifier.uri	http://hdl.handle.net/2248/8682	-
dc.description	Restricted Access	en_US
dc.description.abstract	We present low-frequency (0.40 – 1.25 GHz) radio observations and modeling of a Fast Blue Optical Transient (FBOT), AT2018cow [Nayana & Chandra(2021)]. Our data are best modeled as an inhomogeneous synchrotron emitting region expanding into an ionized circumstellar medium. We estimate the mass-loss rate of the progenitor star and shock parameters at multiple epochs post-explosion and find that the progenitor has gone through an enhanced phase of mass-loss close to its end-of-life.	en_US
dc.language.iso	en	en_US
dc.publisher	Cambridge University Press on behalf of International Astronomical Union	en_US
dc.relation.uri	https://doi.org/10.1017/S1743921322002058	-
dc.rights	© The Author(s), 2024	-
dc.subject	Supernovae: individual: AT2018cow	en_US
dc.subject	Radio continuum: general	en_US
dc.subject	Stars: mass loss	en_US
dc.title	Low-frequency radio view of a fast-blue optical transient - AT2018cow	en_US
dc.type	Article	en_US
Appears in Collections:	IIAP Publications

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