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X-raying molecular clouds with a short flare: probing statistics of gas density and velocity fields

Khabibullin, I.; Churazov, E.; Sunyaev, R.; Federrath, Christoph; Seifried, Daniel; Walch, S.


We take advantage of a set of molecular cloud simulations to demonstrate a possibility to uncover statistical properties of the gas density and velocity fields using reflected emission of a short (with duration much less than the cloud's light-crossing time) X-ray flare. Such a situation is relevant for the Central Molecular Zone (CMZ) of our Galaxy where several clouds get illuminated by an ∼110 yr-old flare from the supermassive black hole Sgr A∗ . Due to shortness of the flare (t 1.6 yr),...[Show more]

CollectionsANU Research Publications
Date published: 2020
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/staa1262
Access Rights: Open Access


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