Judith Irwin's website
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I am an astrophysicist and professor of physics and astronomy at Queen's University in Kingston, Ontario, Canada.  My research focuses on spiral galaxies that are edge-on to the line of sight.  By viewing systems with this orientation it is possible to study the faint halos (gas, dust and  magnetic fields) that surround the thin spiral disks. The background image of this web site is an example and shows a composite of 30 galaxies made by myself and Jayanne English.  See our press release for more information.



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The second edition of my textbook is now available.
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GRADUATE STUDENTS. FOR OPPORTUNITIES, CLICK ON THIS MEERKAT RADIO TELESCOPE IMAGE
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Our new Chickadee Ridge Observatory. Click below for a 5 minute video featuring the former owner and developer of the observatory

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  • Home
  • Publications
    • Book Reviews
  • Research
  • Teaching
    • Phy 315 Observing Project - 2022 >
      • Phy 315 Observing Project - 2021
    • Phy 372 Winter 2019 >
      • Phy 372 Assignments
      • Phy 372 Notes
      • Phy 372 Solutions to Numerical Problems
    • Physics 813 >
      • Presentations
      • Final Exam Schedule
      • Assignments >
        • Assignment 1
        • Assignment 2
        • Assignment 3
        • Assignment 4
    • Physics 435/815 Fall 2019 >
      • Course Outline F19
      • Phy 435/815 Problem Sets F19 >
        • Graduate Student Presentations F19
  • Personal
  • Contact
    • Physics 315 Fall 2018 >
      • Observing Project
      • Summary_evaluation_F18
      • Assignments_F18
      • Observing Project F18
      • Lecture Notes F18
      • Exam Info F18