AbstractThe Comet Nucleus Tour (CONTOUR) is a NASA Discovery mission to study the diversity of comet nuclei. Top level mission goals include imaging the nuclei of several comets at resolutions up to , acquiring spectral information in both the visible and infrared (IR), and obtaining detailed compositional measurements of the gas and dust. The CONTOUR Remote Imager and Spectrograph (CRISP) instrument, under development at The Johns Hopkins University Applied Physics Laboratory, achieves the primary imaging and spectral mapping objectives. CRISP includes a visible imager and 10-position filter wheel to survey the visible spectrum from 400 to and provide high-resolution images of the nucleus. An imaging spectrograph, utilizing a array and yielding a spectral resolution of , analyzes the infrared IR spectrum from 800 to . A Stirling cycle refrigerator cools the IR array to cryogenic operating temperatures. The imager and spectrograph share a common optical path that includes a scan mirror to actively track the comet nucleus during approach and fly-by. An overview of the CRISP instrument is presented.
The CONTOUR remote imager and spectrograph
Acta Astronautica ; 52 , 2-6 ; 427-431
2002-01-01
5 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
The CONTOUR remote imager and spectrograph
British Library Conference Proceedings | 2003
|The CONTOUR remote imager and spectrograph
Online Contents | 2003
|British Library Conference Proceedings | 2001
|