Imagine the Universe!

ROSAT HRI Image of the Cygnus Loop

Cygnus Loop HRI (Credit: Levenson et.al)

This supernova remnant in the constellation Cygnus, known as the Cygnus Loop, is roughly 20,000 years old. It is generally circular in shape except for a break-out towards the south. In addition, there are many bright, filamentary structures. The HRI image shows the angular structure of the Cygnus Loop. Even with this image some of the fine-scale structure is not resolved (both because of the coarse angular binning and through insufficient event statistics).

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Imagine the Universe! is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

The Imagine Team
Project Leader: Dr. Barbara Mattson
Curator: Meredith Gibb
Responsible NASA Official: Phil Newman
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This page last updated: Thursday, 28-Oct-2004 18:46:00 EDT