Northwestern Events Calendar


Special Seminar: Conor Omand "Multiwavelength Signals from Magnetar-Driven Supernovae"

When: Tuesday, July 30, 2024
12:00 PM - 1:00 PM CT

Where: 1800 Sherman Avenue, 8th floor, CIERA Cafe, Evanston, IL 60201 map it

Audience: Faculty/Staff - Student - Post Docs/Docs - Graduate Students

Contact: CIERA Astrophysics   (847) 491-8646

Group: CIERA - Special Seminars

Category: Lectures & Meetings


Speaker: Dr. Conor Omand, Liverpool John Moores University

Title: Multiwavelength Signals from Magnetar-Driven Supernovae

Abstract: Magnetars are neutron stars with extremely high magnetic fields, and can lose rotational energy extremely quickly. Rapidly rotating, highly energetic magnetars are thought to be the potential power sources of multiple types of transients, including superluminous supernovae (SLSNe) and broad-lined Ic supernovae (Ic-BL SNe). By using the observed multiwavelength signal from these transients, we can get information about the properties of the magnetar, its wind nebula, the surrounding environment, and the progenitor star(s). I will present an overview on how we model various different signals that can arise in a magnetar-driven transient, including radio emission, infrared emission, and differences in light curves and optical spectra. I will also show that combining models and observations of different signals on different timescales can give much more information than any signal alone, and this information should be able to give us unprecedented insight into the early lives of these energetic magnetars.

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