File:Xrtlayout.gif
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English: The XRT uses a grazing incidence Wolter 1 telescope to focus X-rays onto a state-of-the-art CCD. |
Date | |
Source | NASA Goddard Space Flight Center, Swift's X-ray Telescope (XRT) http://swift.gsfc.nasa.gov/docs/swift/about_swift/xrt_desc.html |
Author | Swift PI: Neil Gehrels, Responsible NASA Official: Phil Newman Web Curator: J.D. Myers PAO Contact: Francis Reddy |
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The complete mirror module for the XRT consists of the X-ray mirrors, thermal baffle, a mirror collar, and an electron deflector. To prevent on-orbit degradation of the mirror module's performance, it is be maintained at 20 +/- 5 degrees C, with gradients of <1 degree C by an actively controlled thermal baffle (purple, in schematic below) similar to the one used for JET-X. A composite telescope tube holds the focal plane camera (red), containing a single CCD-22 detector.
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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current | 04:49, 16 November 2009 | 563 × 201 (5 KB) | Materialscientist (talk | contribs) | cropped whitespace | |
01:17, 12 September 2009 | 563 × 252 (6 KB) | Marshallsumter (talk | contribs) | {{Information |Description={{en|1=The XRT uses a grazing incidence Wolter 1 telescope to focus X-rays onto a state-of-the-art CCD.}} |Source=NASA Goddard Space Flight Center, Swift's X-ray Telescope (XRT) http://swift.gsfc.nasa.gov/docs/swift/about_swift/ |
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