Accès ouvert
2023
preprint
OpenAlex
Michael W. McElwain, Lee D. Feinberg, Marshall D. Perrin, Mark Clampin et autres
The James Webb Space Telescope (JWST) is a large, infrared space telescope that has recently started its science program which will enable breakthroughs in astrophysics and planetary science. Notably, JWST will provide the very first observations of the earliest luminous objects in …
2007
conference-paper
OpenAlex
Charles B. Atkinson, Jonathan W. Arenberg, Larry Gilman, Ted Messer et autres
The need for JWST's metering structure to be stable over time while at cryogenic temperatures is derived from its scientific objectives. The operational scenario planned for JWST provides for the optical system to be adjusted on regular intervals based upon image quality …
us
(code pays fourni par la source)
2006
conference-paper
OpenAlex
Jonathan W. Arenberg, Larry Gilman, Nick Abbruzze, Justin Reuter et autres
The unprecedented stability requirements of JWST structures can only be conclusively verified by a combination of analysis and ground test. Given the order of magnitude of the expected motions of the backplane due to thermal distortion and the high level of confidence …
us
(code pays fourni par la source)