Chandra Digest 20 Feb 2002

Status Report From: Marshall Space Flight Center
Posted: Wednesday, February 20, 2002


** 1E0657-56: A Bow Shock in a Merging Galaxy Cluster

Chandra's image of the extremely hot galaxy cluster 1E0657-56 reveals a bow-shaped shock wave toward the right side of the cluster. This feature, thought to be the result of the merger of a smaller group or sub-cluster of galaxies with 1E0657-56, gives astronomers a rare opportunity to study how clusters grow.

** Chandra Chronicles: A Full Dance Card For Chandra Science

Astronomers from all over the world assembled last month in Washington, D.C. for the bi-annual meeting of the American Astronomical Society (AAS). Gathered to exchange and discuss the very latest results and discoveries, scientists met for over four full days, with daily science poster displays, oral presentations, press conferences, and an extensive exhibit hall showcasing all manner of astrophysical science endeavors.

** OUT OF THE NOISE: A Cosmic Effect

"Why should we care what happens in our galaxy and beyond? Sure it's nice to know something about galaxies, black holes, supernovas, etc.,... but it's all so far away and there are so many pressing problems on Earth that need our attention!" Granted, there are lots of problems here on Earth that are deserving of attention, but that's not the point. We are in fact very much affected by the cosmic environment that we inhabit.

** Operations CXO Status Report (Friday 02/15/02)

During the last week, Chandra completed the observing schedule as planned. Chandra passed through eclipses 4, 5 and 6 of the 2002 Spring season on Feb 8, 11 and 13 with nominal power and thermal performance. A routine real-time procedure was completed on Feb 11 to update the on-board the Ephemeris.


++ Chandra in 2001

Now in its third year of observation, Chandra has observed not only strange stars, but black holes, galaxies, and other cosmic phenomena. Taking a look back, here are some of the highlights of the past year with Chandra.

++ All recent New & Noteworthy features are available at

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