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Date: 14 January 1981 Satellite: Cos-B Depicts: Cos-B observations of Quasar 3C273 Copyright: From Bignami et al., A&A V93 1981, p71 Show in archive: true
The differential photon number spectrum obtained by Cos-B for the Quasar 3C273, with the best power law fit also shown as the dotted line.