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DTSTART:20070311T020000
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UID:cf1bed05-f050-456b-be63-45dbc22c5d93.227976@calendar.missouristate.edu
CREATED:20230410T143022Z
LAST-MODIFIED:20230410T143022Z
LOCATION:Kemper Hall 204
SUMMARY:PAMS Seminar: "An X-ray Perspective on the Evolution of Galaxies T
 hroughout the Universe" by Dr. Bret Lehmer
DESCRIPTION:Dr. Bret LehmerUniversity of ArkansasDepartment of Physics\n\n
 \nAbstract:\n\n\nMultiwavelength studies of galaxies in the Universe\, fr
 om ultraviolet to infrared wavelengths\, have been extremely effective at
  piecing together a basic picture of how populations of stars evolved thr
 oughout cosmic history.  At X-ray wavelengths\, galaxy emission is domina
 ted by hot gas and populations of X-ray binaries\, the latter of which co
 nsist of black holes and neutron stars accreting material from stellar co
 mpanions.  Using X-ray and multiwavelength observations of nearby and dis
 tant galaxies (e.g.\, from Chandra\, GALEX\, Hubble\, NuSTAR\, Spitzer\, 
 Herschel\, and other observatories)\, we are developing an empirical fram
 ework detailing how X-ray binary populations and their host galaxies evol
 ved together over the last 12 billion years (~90%) of cosmic history.  In
  this talk\, I will describe some of the exciting new insights from our w
 ork\, and I will highlight how new data sets\, future observational facil
 ities\, and improved theoretical modeling will continue to improve our un
 derstanding of X-ray binaries\, compact objects\, and galaxies.
X-ALT-DESC;FMTTYPE=text/html:&lt;html&gt;&lt;head&gt;&lt;title&gt;&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&lt;p&gt;&lt;b
 &gt;Dr.&amp;nbsp\;Bret Lehmer&lt;/b&gt;&lt;br&gt;&lt;b&gt;University of Arkansas&lt;br&gt;Department of 
 Physics&lt;/b&gt;&lt;/p&gt;\n&lt;p&gt;Abstract:&lt;/p&gt;\n&lt;p&gt;Multiwavelength studies of galaxies
  in the Universe\, from ultraviolet to infrared wavelengths\, have been e
 xtremely effective at piecing together a basic picture of how populations
  of stars evolved throughout cosmic history.&amp;nbsp\; At X-ray wavelengths\
 , galaxy emission is dominated by hot gas and populations of X-ray binari
 es\, the latter of which consist of black holes and neutron stars accreti
 ng material from stellar companions.&amp;nbsp\; Using X-ray and multiwaveleng
 th observations of nearby and distant galaxies (e.g.\, from Chandra\, GAL
 EX\, Hubble\, NuSTAR\, Spitzer\, Herschel\, and other observatories)\, we
  are developing an empirical framework detailing how X-ray binary populat
 ions and their host galaxies evolved together over the last 12 billion ye
 ars (~90%) of cosmic history.&amp;nbsp\; In this talk\, I will describe some 
 of the exciting new insights from our work\, and I will highlight how new
  data sets\, future observational facilities\, and improved theoretical m
 odeling will continue to improve our understanding of X-ray binaries\, co
 mpact objects\, and galaxies.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;
DTSTART;TZID=America/Chicago:20230504T160000
DTEND;TZID=America/Chicago:20230504T170000
SEQUENCE:0
URL:https://physics.missouristate.edu/seminars.htm
CATEGORIES:Public,Alumni,Current Students,Faculty,Future Students,Staff
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