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The Chandra X-ray Observatory (formerly known as the Advanced X-ray Astrophysics Facility - AXAF) is the NASA follow-up mission to the Einstein Observatory. The Chandra instrumentation consists of a high resolution mirror, two imaging detectors, and two sets of transmission gratings with following important features: an order of magnitude improvement in spatial resolution, good sensitivity from 0.1 to 10 keV, and the capability for high spectral resolution observations over most of this range. The Max-Planck-Institut für extraterrestrische Physik in Garching contributed the Low Energy Transmission Grating (LETG) in collaboration with the Space Research Organisation Netherlands (SRON) in Utrecht.

Launched into a highly elliptical orbit in July 1999 Chandra should enjoy a more than 10 year lifetime.

Contact person:   linkP. Predehl

The Chandra-Project LETG at MPE

General Chandra Information

Transmission Grating
for Chandra

link LETG in a Nutshell

link First Light from LETG

link LETG Gallery

external link The Chandra Mission

external link Chandra-Gallery

external link Orbit and Viewing of Chandra

external link Proposal Information and Tools
   Chandra X-ray Center (CXC)

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Last update: 2010-01-15 by   linkH. Steinle
Contact person:   linkP. Predehl
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