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pro vyhledávání: '"Ben Gallagher"'
Publikováno v:
Literacies, Sexualities, and Gender ISBN: 9780429458514
Literacies, Sexualities, and Gender
Literacies, Sexualities, and Gender
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ec70b6a8e4f9dc4e2c52bccffdd2eb4
https://doi.org/10.4324/9780429458514-12
https://doi.org/10.4324/9780429458514-12
Publikováno v:
Acta Astronautica. 121:1-12
Between 2012 and 2014 an industrial consortium led by Reaction Engines conducted a feasibility study for the European Space Agency with the objective to explore the feasibility of SKYLON as the basis for a launcher that meets the requirements establi
Autor:
Koby Smith, D. Scott Acton, Ben Gallagher, Thomas Comeau, James Tersigni, Eric Coppock, J. Scott Knight, Erin M. Wolf, Taylor S. Chonis
Publikováno v:
Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave.
The James Webb Space Telescope’s (Webb’s) deployable primary and secondary mirrors are actively controlled to achieve and maintain precise optical alignment on-orbit. Each of the 18 primary mirror segment assemblies (PMSAs) and the secondary mirr
Calibration results using highly aberrated images for aligning the JWST instruments to the telescope
Autor:
Ben Gallagher, Koby Smith, D. Scott Acton, J. Scott Knight, Alden S. Jurling, Bruce H. Dean, Thomas P. Zielinski
Publikováno v:
SPIE Proceedings.
The James Webb Space Telescope (JWST) project is an international collaboration led by NASA’s Goddard Space Flight Center (GSFC) in Greenbelt, MD. JWST is NASA’s flagship observatory that will operate nearly a million miles away from Earth at the
Autor:
Lee Feinberg, Murzy D. Jhabvala, Doug Frazier, Bill Hayden, J. S. Knight, Ben Gallagher, Tony L. Whitman
Publikováno v:
SPIE Proceedings.
The James Webb Space Telescope (JWST) requires testing of the full optical system in a cryogenic vacuum environment before launch. Challenges with the telescope architecture and the test environment lead to placing removable optical test sources at t
Publikováno v:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation.
The James Webb Space Telescope (JWST) requires testing of the full optical system in a cryogenic vacuum environment prior to launch. Challenges with the telescope architecture and the test environment led to placing removable optical test sources at
Autor:
Michael J. Messerly, Andrea Arneson, Lee R. Dettmann, Ron Eng, Doug Leviton, W. Scott Smith, Adam Magruder, Robert Garfield, Bob Brown, Dave Chaney, Rob Bernier, John P. Schwenker, Koby Smith, James B. Hadaway, H. Philip Stahl, Patrick Johnson, Chris Alongi, Ben Gallagher, Ankit Patel, Martin Seilonen, Allen Lee, Patrick J. Reardon, Jay Daniel, Glen Cole
Publikováno v:
SPIE Proceedings.
JWST optical component in-process optical testing and cryogenic requirement compliance certification, verification & validation is probably the most difficult metrology job of our generation in astronomical optics. But, the challenge has been met: by
Autor:
Jake Lewis, Noah Siegel, Scott T. Acton, Ben Gallagher, Scott Knight, Bob Brown, Dave Chaney, Chris Stewart, Koby Smith, Allison Barto, Paul A. Lightsey
Publikováno v:
SPIE Proceedings.
The James Webb Space Telescope (JWST) is a large space based astronomical telescope that will operate at cryogenic temperatures. The telescope by virtue of its size must be stowed in an inoperable configuration for launch and remotely reconfigured in
Autor:
Kris Johnson, David Chaney, John Kincade, Robert Garfield, Howard A. Wong, Tony Hull, Glen Cole, Ben Gallagher, Taha Nassar, Robert Bernier, Lester M. Cohen, T. Peters, Robert J. Brown, Wendell Wolff, Craig Kiikka, Andrew McKay
Publikováno v:
Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter.
The context, preparation, and facilitization of Tinsley to produce the 18 JWST primary mirror segments are described, and an overview of the Project at Tinsley is presented. The mirror segments are aggressively lightweighted, approximately hexagonal,
Autor:
T. Peters, Robert J. Brown, Robert Garfield, Taha Nassar, Lester M. Cohen, Ben Gallagher, John Kincade, Craig Kiikka, Wendell Wolff, Robert Joseph Noel Bernier, Tony Hull, Glen Cole, Andrew McKay
Publikováno v:
Frontiers in Optics.
An overview of the JWST mirror segment fabrication at Tinsley will be presented. The 18 JWST primary mirror segments are lightweighted 1.3m flat-to-flat Beryllium hexagonal substrates.