Tag

Long Period Radio Transients

All articles tagged with #long period radio transients

science19 days ago•7 min saved

Astronomers Link Repeating Radio Bursts to a Close White Dwarf–Red Dwarf Binary

Using ASKAP, researchers pinpointed the source of long-period radio transients to a tight magnetic white dwarf–red dwarf binary (ASKAP J1745-5051). The ~1.368-hour orbital period matches the ~1.345-hour radio repetition, while X-ray data show a ~1.32-hour cycle; radio bursts are elliptically polarized and linked to magnetic accretion regions, distinct from the X-ray emitting zone—making this system a key reference for understanding LPTs.

via WIRED|

#askap-j1745-5051 #binary-star #long-period-radio-transients

science26 days ago•2 min saved

Stellar Rosetta Stone unlocks mystery of galactic radio signals

Astronomers identify a tight white dwarf–red dwarf binary, ASKAP J1745−5051, as the source of certain long-period galactic radio transients. Magnetic interactions in the system generate regular radio bursts and accretion-driven X-ray emission, offering a 'stellar Rosetta Stone' to decode these signals and help distinguish their origins, while providing a natural laboratory for extreme plasma and magnetic-field physics.

via BBC Science Focus Magazine|

#binary-star-system #long-period-radio-transients #magnetic-interactions

space1 month ago•4 min saved

Stellar Rosetta Stone: Accreting White Dwarf Drives Repeating Radio Bursts

An international team using the ASKAP telescope identified ASKAP J1745−5051, a tight white-dwarf–red-dwarf binary that accretes material and emits X‑rays and regular radio bursts every 1.4 hours, pinpointing the source of long-period radio transients and making this system a Rosetta Stone for deciphering these signals and testing extreme physics; future multiwavelength studies are planned.

via Universe Today|

#astronomy #binary-star #long-period-radio-transients

science1 month ago•7 min saved

Astronomers Link Elusive Cosmic Signals to a Magnetic White Dwarf Binary

Astronomers traced a long-period radio transient to ASKAP J1745-5051, a magnetic white dwarf in a tight binary where accretion drives both radio and X-ray bursts every 81 minutes, uniting many previously puzzling LPT traits and offering a new framework for these cosmic signals (Nature Astronomy).

via ScienceAlert|

#accretion #askap-telescope #binary-star