Mr. Dennis Egan Profile

Dennis Egan

Mechanical Division Head at National Radio Astronomy Observatory

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Author

Publications (5)

Proceedings Article | 23 July 2014 Paper

MUSTANG2: a large focal plan array for the 100 meter Green Bank Telescope

S. Dicker, P. A. Ade, J. Aguirre, J. Brevik, H. Cho, R. Datta, M. Devlin, B. Dober, D. Egan, J. Ford, P. Ford, G. Hilton, J. Hubmayr, K. Irwin, B. Mason, P. Marganian, M. Mello, J. McMahon, T. Mroczkowski, C. Romero, S. Stanchfield, C. Tucker, L. Vale, S. White, M. Whitehead, A. Young

Proc. SPIE. 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII

KEYWORDS: Bolometers, Signal to noise ratio, Telescopes, Astronomy, Sensors, Receivers, Multiplexing, Space telescopes, Signal detection, Cryogenics

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Proceedings Article | 23 July 2014 Paper

Argus: a 16-pixel millimeter-wave spectrometer for the Green Bank Telescope

Matthew Sieth, Kiruthika Devaraj, Patricia Voll, Sarah Church, Rohit Gawande, Kieran Cleary, Anthony C. Readhead, Pekka Kangaslahti, Lorene Samoska, Todd Gaier, Paul Goldsmith, Andrew Harris, Joshua Gundersen, David Frayer, Steve White, Dennis Egan, Rodrigo Reeves

Proc. SPIE. 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII

KEYWORDS: Telescopes, Stars, Spectroscopy, Amplifiers, Receivers, Connectors, Spatial resolution, Computer aided design, Flexible circuits, Prototyping

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Proceedings Article | 10 November 2011 Paper

Track creep: experience, modeling efforts, and consequences of work done at the 100 meter Green Bank Telescope

Dennis Egan

Proc. SPIE. 8336, Integrated Modeling of Complex Optomechanical Systems

KEYWORDS: Telescopes, Mechanics, In situ metrology, Resistance, Wave plates, Numerical analysis, Head, Astronomical telescopes, Motion models, Systems modeling

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Proceedings Article | 10 July 2008 Paper

Improving the service life of the 100-meter Green Bank Telescope azimuth track

Arthur Symmes, Robert Anderson, Dennis Egan

Proc. SPIE. 7012, Ground-based and Airborne Telescopes II

KEYWORDS: Telescopes, Composites, Interfaces, Inspection, Cements, Finite element methods, Antennas, Astronomical telescopes, Stress analysis, Chronology

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Proceedings Article | 10 July 2008 Paper

Replacement of the Green Bank Telescope azimuth track

Robert Anderson, Arthur Symmes, Dennis Egan

Proc. SPIE. 7012, Ground-based and Airborne Telescopes II

KEYWORDS: Telescopes, Manufacturing, Inspection, Distortion, Cements, Epoxies, Connectors, Optical instrument design, Failure analysis, Californium

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