Contamination control requirements implementation for the James Webb Space Telescope (JWST), part 1: optics, instruments and thermal vacuum testing

2014 ◽  
Author(s):  
Eve M. Wooldridge ◽  
Kelly Henderson-Nelson ◽  
Michael Woronowicz ◽  
Kevin Novo-Gradac ◽  
Radford L. Perry ◽  
...  
Keyword(s):  
Thermal Vacuum ◽  
Space Telescope ◽  
Contamination Control ◽  
James Webb Space Telescope ◽  
Vacuum Testing

Contamination control requirements implementation for the James Webb Space Telescope (JWST), part 2: spacecraft, sunshield, observatory, and launch

2014 ◽  
Author(s):  
Eve M. Wooldridge ◽  
Andrea Schweiss ◽  
Kelly Henderson-Nelson ◽  
Michael Woronowicz ◽  
Jignasha Patel ◽  
...  
Keyword(s):  
Space Telescope ◽  
Contamination Control ◽  
James Webb Space Telescope

scholarly journals Modernization of NASA Johnson Space Center’s Chamber A to support Cryogenic Vacuum Optical Testing of the James Webb Space Telescope (JWST)

2021 ◽  
Vol 64 (1) ◽  
pp. 30-41
Author(s):  
Mary Cerimele ◽  
Jonathan Homan ◽  
Sam Garcia ◽  
Jaime Garza ◽  
Gabriel Hirsch ◽  
...  
Keyword(s):  
Vacuum Chamber ◽  
High Vacuum ◽  
Vacuum System ◽  
Thermal Vacuum ◽  
Space Telescope ◽  
James Webb Space Telescope ◽  
Cryogenic Vacuum ◽  
Optical Test ◽  
The World ◽  
Helium Refrigeration

Abstract NASA is the mission lead for the James Webb Space Telescope (JWST), the next of the “Great Observatories,” scheduled for launch in 2021. NASA is directly responsible for the integration and test (I&T) program that culminated in an end-to-end cryo vacuum optical test of the flight telescope and instrument module in Chamber A at NASA Johnson Space Center. Historic Chamber A is the largest thermal vacuum chamber at Johnson Space Center and one of the largest space simulation chambers in the world. Chamber A has undergone a major modernization effort to support the deep cryogenic, vacuum and cleanliness requirements for testing the JWST. This paper describes the upgrades to the Chamber A facility: Thermal Shrouds, Helium Refrigeration, Liquid Nitrogen System, High Vacuum System, Clean Airflow System, and Utilities.

Thermal-vacuum testing of drilling and sampling tool

2000 ◽  
Author(s):  
M. Marchesi ◽  
R. Campaci ◽  
A. Nista ◽  
W. Prendin ◽  
S. Scarpa ◽  
...  
Keyword(s):  
Thermal Vacuum ◽  
Vacuum Testing

scholarly journals A Spitzer Warm Mission Ultra-Wide Survey As A Target Finder For The James Webb Space Telescope

2007 ◽  
Author(s):  
Jonathan P. Gardner ◽  
Xiaohui Fan ◽  
Gillian Wilson ◽  
Massimo Stiavelli ◽  
Lisa J. Storrie-Lombardi ◽  
...  
Keyword(s):  
Space Telescope ◽  
James Webb Space Telescope
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