More Astronomers have discovered the "missing link" connecting the death of sunlike stars to the birth of white dwarf stellar remnants, in the form of a "teenage vampire" white dwarf. This vampire ...

This reminded them of a white dwarf pulsar, a highly magnetic dead star that sweeps electromagnetic radiation across the universe as it spins, like a cosmic lighthouse. However, the vampiric feeding ...

Finding a "teenage" white dwarf pulsar is particularly exciting because this phase of a star's life is so brief, Rodriguez explains. How brief? "About 40 million years," he says.

“ASKAP J1832–0911 is currently the only LPT detected with (pulsed) X-ray emission — perhaps unsurprisingly, given its extreme radio brightness and the potential correlation between the radio and X-ray ...

But it is also the first LPT known to emit X-rays. This mysterious object could take many forms, including a pulsar, a white dwarf star in a binary with a low-mass star, or a magnetar.

The researchers believe ASKAP J1832–0911 to be compact and to have strong magnetic fields, which would align with the properties of either a magnetic white dwarf (the corpse of a star that has lost ...

Dr Wang said it was not clear whether the new observation could be a white dwarf or a neutron star. "Both are possible, but personally I would prefer an isolated neutron star," he said.

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Pulsar 4 pulses significantly faster: every quarter of a second. In addition, Hewish estimated that the fast-pulsing source is only 50 light-years away, compared with the 200-light-year distance ...

The pulsar is locked in a 1.6-day orbit with one white dwarf, and both of them are orbited by another white dwarf every 327 days.

The red dwarf probably produces a stellar wind of charged particles, just like our Sun does. When the wind hits the white dwarf’s magnetic field, it would be accelerated, producing radio waves.