Credit: Dornier Satellitensysteme GmbH

The X-ray Multi-Mirror Mission

XMM, the X-ray Multi-Mirror Mission, is the second cornerstone of the Horizon 2000 program of the European Space Agency (ESA). XMM is currently planned to be launched in December 1999, is more than 30ft long and weighs almost four tons. The telescope will be put into an elliptical orbit 71,250 miles by 4,300 miles and will take 48 hours to go around the Earth once. The observatory consists of three coaligned high throughput 7.5m focal length telescopes with 6 arc second FWHM (15 arc second HPD) angular resolution. XMM will provide images over a 30 arc minute field of view with moderate spectral resolution using the European Photon Imaging Camera (EPIC). High-resolution spectral information is provided by the Reflection Grating Spectrometer (RGS). The observatory also has a coaligned 30cm optical/UV telescope called the Optical Monitor (OM).

Last Week * HEA Dictionary * Archive * Search HEAPOW * Education

Each week the HEASARC brings you new, exciting and beautiful images from X-ray and Gamma ray astronomy. Check back each week and be sure to check out the HEAPOW archive!

Page Author: Dr. Michael F. Corcoran
Last modified November 30, 1999