Blazar's brightness cycle confirmed by NASA's Fermi mission

A two-year cycle in the gamma-ray brightness of a blazar, a galaxy powered by a supermassive black hole, has been confirmed by 10 years of observations from NASA's Fermi Gamma-ray Space Telescope. The findings were announced ...

Blazar LBQS 1319+0039 detected in hard X-rays

An international team of astronomers reports the detection of the blazar LBQS 1319+0039 in hard X-rays using NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) space telescope. The finding, updating knowledge about this ...

HESS J1943+213 is an extreme blazar, study finds

An international group of astronomers have carried out multi-wavelength observations of HESS J1943+213 and found evidence supporting the hypothesis that this gamma-ray source is an extreme blazar. The finding is reported ...

page 5 from 7