Science
Research investigates variability of the blazar Mrk 421 – Phys.org
Astronomers from Switzerland and Germany have performed multiwavelength observations of a high-synchrotron-peaked blazar known as Mrk 421. Results of this observational…

Astronomers from Switzerland and Germany have performed multiwavelength observations of a high-synchrotron-peaked blazar known as Mrk 421. Results of this observational campaign provide more insights into the variability of gamma-ray emission from this source. The study was published January 26 on arXiv.org.
Blazars are very compact quasars associated with supermassive black holes at the centers of active, giant elliptical galaxies. In general, blazars belong to a larger group of active galaxies…
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