J1420+1205 is a small radio galaxy, study finds

An international team of astronomers has conducted radio observations of an active galactic nucleus (AGN) known as J1420+1205. Results of this observational campaign suggest that this source is not a blazar like was previously ...

Blazar PG 1553+113 investigated by researchers

Using space observatories and ground-based facilities, Chinese astronomers have investigated a blazar known as PG 1553+113. Results of this study shed more light on the behavior of this object, indicating that it hosts a ...

Astronomers monitor nearby blazar Markarian 501

A team of astronomers from Switzerland and Germany has conducted a long-term multi-band photometric monitoring of a nearby blazar known as Markarian 501. The observational campaign delivered essential information regarding ...

Stellar collision triggers supernova explosion

Astronomers have found dramatic evidence that a black hole or neutron star spiraled its way into the core of a companion star and caused that companion to explode as a supernova. The astronomers were tipped off by data from ...

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