Tuesday Physics Seminar: The Flaring X-Ray Universe

Tuesday, November 19, 2019 The event started -571 days ago

2:50 PM 3:50 PM

Optics Building

Room 237

The Flaring X-Ray Universe

Dr Jimmy Irwin (UA)

Violent (>100x amplitude), short-term (<1 minute rise time) X-ray flaring from a host of astrophysical objects have been increasingly detected in recent years from Milky Way stars, extragalactic X-ray binaries in nearby galaxies, and other transients at cosmological distances of uncertain origin. Our thorough search of the Chandra data archive for flaring objects has uncovered a number of such flares that have escaped notice until now. I present a summary of the most extreme X-ray flaring events from both our survey and the literature and discuss how such violent events further our understanding of stellar magnetic fields, compact object accretion, and compact object mergers.


College of Science, Physics and Astronomy
Public, Students, Faculty and Staff, Alumni


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Optics Building

John Wright Blvd.Huntsville, AL 35899

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