Chandra Supernova Remnant Catalog . Galactic Supernova Remnants (SNRs) . ... 1E0102.2-7219 ( aka SNR 0102-72.3); a supernova remnant in the Small Magellanic Cloud. ... It is a superposition of the Chandra X-ray image (in blue), an HST [O III] optical image (in green), and an ATCA 6 cm radio image (in red). ... Cover, Astronomy magazine, May, 2001 . ... The Restless Universe: Understanding X-Ray Astronomy in the Age of Chandra and Newton", Eric M. Schlegel, Oxford University Press, 2002 ...