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Portrait of Joseph Ryan Eggen

Joseph Ryan Eggen

Senior Faculty Specialist

301 286 4645
jeggen@umd.edu 1113 Physical Sciences Complex
I work in support of the Fermi Gamma Ray Space Telescope, primarily in Operations. My research interests are centered around blazars, which are a type of active galaxy emitting relativistic jets along with radiation across the entire EM spectrum.

Latest Papers

Optical polarisation variability of radio-loud narrow-line Seyfert 1 galaxies

| Astronomy & Astrophysics
Author(s): E. Angelakis, S. Kiehlmann, I. Myserlis, et. al
UMD Author(s): Joseph Ryan Eggen


Optical and Gamma-Ray Variability of the vRL NLSy1 Galaxy, 1H 0323+342

| Galaxies
Author(s): Hugh Miller, Clay. Turner, Jeremy Maune, et. al
UMD Author(s): Joseph Ryan Eggen


THE VARIABLE OPTICAL POLARIZATION AND FERMI OBSERVATIONS OF PMN J0948+0022

| ApJ
Author(s): Joseph R. Eggen, H. Richard Miller, Jeremy D. Maune
UMD Author(s): Edward J. Shaya, Joseph Ryan Eggen