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Using the open-source SWIFT Simulation code which includes the agn model used in the paper

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Looking for digitized, open access Mexican primary sources?

The Archivo General de la Nación (AGN or General Archive of the Nation) of Mexico has just released its Repositorio Documental Digital (Digital Document Repository).

repositorio.agn.gob.mx

These data open up a new parameter space for AGN science. Even cooler, we select a 'new' class of AGN which have no detectable soft X-ray emission, only hard X-rays, called 'hard-only'. Through X-ray analysis, we find that these sources have less soft emission than expected...