The gamma-ray binary HESS J0632+057

Gamma rays are the most energetic known form of electromagnetic radiation, with each gamma-ray being at least one hundred thousand times more energetic than an optical light photon. Very high energy (VHE) gamma rays pack ...

Cosmic 'spider' found to be source of powerful gamma-rays

Using the 4.1-meter SOAR Telescope in Chile, astronomers have discovered the first example of a binary system where a star in the process of becoming a white dwarf is orbiting a neutron star that has just finished turning ...

Black hole at center of Milky Way unpredictable and chaotic

An international team of researchers, led by postgraduate student Alexis Andrés, has found that the black hole at the center of our galaxy, Sagittarius A*, not only flares irregularly from day to day but also in the long ...

Blazar Ton 599 investigated by Indian astronomers

Using NASA's Fermi spacecraft, researchers from the Indian Institute of Astrophysics in Bangalore, India, have conducted a gamma-ray flux and spectral variability study of a blazar known as Ton 599, during its recent flaring ...

New supernova remnant detected by astronomers

Astronomers from Costa Rica and Australia have reported the detection of a new supernova remnant (SNR) by inspecting a gamma-ray source known as FHES J1723.5−0501. The researchers found that this source is an SNR and it ...

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