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GLEAM-X J162759.5−523504.3

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(Redirected from GLEAM-XJ162759.5-523504) Transient astronomical radio source
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GLEAM-X J162759.5−523504.3
GLEAM-X J162759.5−523504.3DSS.png
GLEAM-X J162759.5−523504
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Norma
Right ascension 16 27 59.5
Declination −52° 35′ 04.3″
Database references
SIMBADdata

GLEAM-X J162759.5-523504.3 is a transient astronomical radio source, found in 2020, in archival data recorded in 2018 by the Murchison Widefield Array.

The source was active in radio for about 1 minute every 18 minutes, from January to March 2018, but has not been recorded since.

Nature of source

It seems somewhat like a Galactic Center radio transient (GCRT) except it is thought to be only about 4,000 light-years (1,200 pc) distant.

The radio emissions were polarised (as if affected by a magnetic field) so it may be a predicted astrophysical object called an "ultra-long period magnetar".

See also

Further reading

References

  1. N. Hurley-Walker; X. Zhang; A. Bahramian; S. J. McSweeney; T. N. O’Doherty; P. J. Hancock; J. S. Morgan; G. E. Anderson; G. H. Heald; T. J. Galvin (27 January 2022). "A radio transient with unusually slow periodic emission". Nature. 601 (601) (published 26 January 2022): 526–530. Bibcode:2022Natur.601..526H. doi:10.1038/s41586-021-04272-x. PMID 35082416. S2CID 246296294.{{cite journal}}: CS1 maint: date and year (link)
  2. ^ Amalyah Hart (27 January 2022). "Mysterious object unlike anything astronomers have seen before". Cosmos Magazine.
  3. P. Beniamini; Z. Wadiasingh; B. D. Metzger (2020). "Periodicity in recurrent fast radio bursts and the origin of ultralong period magnetars". Monthly Notices of the Royal Astronomical Society. 496 (496) (published 23 June 2020): 3390–3401. arXiv:2003.12509. doi:10.1093/mnras/staa1783.
  4. ICRAR (27 January 2022). "Mysterious Object Unlike Anything Astronomers Have Seen Before". International Centre for Radio Astronomy Research.
  5. P. Beniamini; Z. Wadiasingh; J. Hare; K. M. Rajwade; G. Younes; A. J. van der Horst (2023). "Evidence for an abundant old population of Galactic ultra-long period magnetars and implications for fast radio bursts". Monthly Notices of the Royal Astronomical Society. 520 (2) (published 20 January 2023): 1872–1894. arXiv:2210.09323. doi:10.1093/mnras/stad208.

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