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Chandra Digest (Jan 9) AAS Update

Status Report From: Harvard-Smithsonian Center for Astrophysics
Posted: Wednesday, January 9, 2002

Some intriguing new results from Chandra this week at the American Astronomical Society 's (AAS) 199th meeting in Washington DC:

** X-Ray Mosaic Of Galactic Center: Chandra Takes In The Bright Lights, Big City Of The Milky Way NASA's Chandra X-ray Observatory has made a stunning, high-energy panorama of the central regions of our Milky Way galaxy. The observations enabled astronomers to determine the nature of the hot gas that pervades the region and better understand how it enriches the galactic suburbs with heavy elements. http://chandra.harvard.edu/photo/2002/gcenter/

** Abell 2597: Chandra Finds Ghosts Of Eruption In Galaxy Cluster "Ghostly" relics of an ancient eruption that tore through a cluster of galaxies have been found by NASA's Chandra X-ray Observatory. The discovery implies that galaxy clusters are the sites of enormously energetic and recurring explosions, and may provide an explanation why galaxy clusters behave like giant cosmic magnets. http://chandra.harvard.edu/photo/2002/1269/

** X-ray Gas Associated With Galactic Center Radio Arc Chandra observations of a region of the Galactic Center have found an X-ray filament and cloud about 40 light years across. These X-ray features are associated with large filamentary and shell-like structures that are bright sources of radio waves. http://chandra.harvard.edu/photo/2002/gradioarc/

** Operations CXO Status Report (Friday 01/04/02)
Happy New Year from the Chandra Team!

During the last two weeks the observing schedule was interrupted once following a high radiation event at 1:30am EST on Dec 26 that stopped the daily load and activated the science instrument safing sequence (SCS 107). All actions were nominal and radiation levels dropped sufficiently to allow the loads to be restarted at 6pm on Dec 27. Observations of Beta Ceti, G78.2+2.1, CYG X-1, A168 were impacted by the event and will be rescheduled in a later load. http://chandra.harvard.edu/press/updates/update_010402.html NEW & NOTEWORTHY!

++ Scale & Distance
Calculate the distance for two points on the sky at the same distance from Earth with our interactive calculator. http://chandra.harvard.edu/photo/scale_distance.html

++ All recent New & Noteworthy features are available at http://chandra.harvard.edu/new.html

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