We have seen spectacular auroras in recent months. The mysterious lights are caused by charged particles from the Sun hurtling through space, causing gases in the atmosphere to glow. Now researchers believe we can find and even detect aurora borealis on exoplanets around pulsars.

Pulsars are the remnants of supermassive stars that have reached the end of their lives. Stars synthesize increasingly heavier elements in their cores throughout most of their lives; The external force of thermonuclear pressure balances the gravitational force.

As the star evolves, gravity eventually prevails, the star explodes, and the shock wave causes the star to nearly shatter into pieces. All that remains is a rapidly spinning giant neutron that emits a pulse of radiation, and as it spins, a beam of radiation that we call a pulsar is emitted through space.

The first exoplanets discovered were found around pulsars. Astronomers studying pulses of radiation from the host star discovered tiny irregularities in clock-like rhythms. Reason; planets orbiting a pulsar.

In a new paper published December 7 by a group of Swiss scientists, they suggest that exoplanets around pulsars may experience auroras by mimicking their magnetic environments.

Most pulsars travel through space without any satellites, but as little as 0.5 percent are believed to have planetary moons. The article discusses attempts to model the magnetic interaction of pulsars and their planets to estimate the amount of electromagnetic radiation emitted. The simulations focused on millisecond pulsars and the planets around them, as well as the potential consequences of detecting planets using radio emission.

Two planet candidates were studied, which do not have their own magnetic fields, have conductive surfaces and electrically neutral surfaces. Radio flux density (input and output energy flux – measured in Jansky units) ranges from 0.1 mJ to 30 mJ (mil-junky). The team concluded that the frequency would be above the level to be absorbed by the plasma, but below the level to be blocked by the ionosphere.

The result was positive: based on the simulation, the team showed that planets around millisecond pulsars could undoubtedly be observed using modern radio telescope technology.

LOFAR (Low Frequency Array) or future SKA (Square Kilometer Array) developments are certainly capable of minimum sensitivity of around 0.1 mJ and 0.001 mJ respectively. It is also possible to detect any aurora in the system.