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Department of Physics

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Physics Department
116 Cardwell Hall
1228 N. Martin Luther King Jr. Drive
Manhattan, KS 66506-2601

785-532-6786
785-532-6806 Fax
office@phys.ksu.edu

Dr. Frederick Lamb
University of Illinois
 
Frederick Lamb
 
Determining the properties of neutron stars using NICER

October 10, 2022
4:30 p.m. 
 
CW 102
or
Zoom
Email office@phys.ksu.edu for the Zoom address
   
  

NASA's Neutron Star Interior Composition Explorer (NICER) is a new X-ray instrument with unique capabilities. Now operating on the International Space Station, it is accurately measuring thermal X-ray emission from the surfaces of several pulsars. These measurements can be used to simultaneously determine the mass and radius of the neutron star. The radii of these distant stars have been determined to within about 500 m. As a result, the equation of state of the ultradense matter in them is now known with unprecedented precision. I will describe the unique capabilities of NICER, how the data it is returning is used to determine the properties of ultradense matter, and the prospects for further advances.