Blazar Candidates of Uncertain type (BCUs) tagged posts

Nature of unknown Gamma-ray Sources revealed

LAMOST observations reveal nature of unknown gamma-ray sources
Fig. 1 Artistic representation of an active galaxy jet. Credit: M. Kornmesser/ESO

An international team of astronomers has unveiled the nature of hundreds of gamma-ray emitting sources, discovering that most of them belong to the class of active galaxies known as blazars.

Their recent study was published in The Astronomical Journal.

One of the most intriguing challenges in modern gamma-ray astronomy is searching for low-energy counterparts of unidentified gamma-ray sources. Unidentified sources constitute about 1/3 of all celestial objects detected by the Fermi satellite to date, the most recent gamma-ray mission with unprecedented capabilities for observing the high energy sky.

Since the largest population of known gamma-ray sources are blazars, astronomers believe they can a...

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