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Mysterious fast radio burst traced back to rare group of galaxies

Mysterious fast radio burst traced back to rare group of galaxies
cnn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cnn.com Daily Mail and Mail on Sunday newspapers.

Milky Way , Magallanesy Antáica Chilena , United States , Yuxin Vic Dong , Alexa Gordon , American Astronomical Society , Northwestern University Weinberg College Of Arts , National Science Foundation , Australian Square Kilometre Array Pathfinder , Western Australia , European Southern Observatory , Very Large Telescope , Hubble Space Telescope , Northwestern University , Weinberg College , Wen Fai Fong ,

Astronomers say they've traced the origin of powerful and mysterious radio signal

Astronomers say they've traced the origin of powerful and mysterious radio signal
krdo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from krdo.com Daily Mail and Mail on Sunday newspapers.

Milky Way , Magallanesy Antáica Chilena , United States , Alexa Gordon , Ashley Strickland , Yuxin Vic Dong , Cable News Network Inc , National Science Foundation , Northwestern University Weinberg College Of Arts , Discovery Company , American Astronomical Society , Warner Bros , Australian Square Kilometre Array Pathfinder , Western Australia , European Southern Observatory , Very Large Telescope , Hubble Space Telescope , Northwestern University , Weinberg College , Wen Fai Fong , News Network ,

Astronomers say they've traced the origin of powerful and mysterious radio signal

Astronomers say they've traced the origin of powerful and mysterious radio signal
kesq.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from kesq.com Daily Mail and Mail on Sunday newspapers.

Milky Way , Magallanesy Antáica Chilena , United States , Alexa Gordon , Yuxin Vic Dong , Ashley Strickland , Discovery Company , Cable News Network Inc , American Astronomical Society , National Science Foundation , Warner Bros , Northwestern University Weinberg College Of Arts , Australian Square Kilometre Array Pathfinder , Western Australia , European Southern Observatory , Very Large Telescope , Hubble Space Telescope , Northwestern University , Weinberg College , Wen Fai Fong , News Network ,

Astronomers Solve Mystery of Odd Radio Circles

Astronomers Solve Mystery of Odd Radio Circles
sci.news - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sci.news Daily Mail and Mail on Sunday newspapers.

United States , Evolutionary Map Of The Universe Pilot , Evolutionary Map , Universe Pilot Survey , Australian Square Kilometre Array Pathfinder , Giant Meterwave Radio Telescope , California San Diego , Professor Alison Coil ,

Ionized gas extends over 40 kpc in an odd radio circle host galaxy

A new class of extragalactic astronomical sources discovered in 2021, named odd radio circles (ORCs)1, are large rings of faint, diffuse radio continuum emission spanning approximately 1 arcminute on the sky. Galaxies at the centres of several ORCs have photometric redshifts of z ≃ 0.3–0.6, implying physical scales of several 100 kpc in diameter for the radio emission, the origin of which is unknown. Here we report spectroscopic data on an ORC including strong [O ii] emission tracing ionized gas in the central galaxy of ORC4 at z = 0.4512. The physical extent of the [O ii] emission is approximately 40 kpc in diameter, larger than expected for a typical early-type galaxy2 but an order of magnitude smaller than the large-scale radio continuum emission. We detect an approximately 200 km s−1 velocity gradient across the [O ii] nebula, as well as a high velocity dispersion of approximately 180 km s−1. ....

Western Australia , Planck Collaborationet Al , Library Of Fast Radiative Shock Models , Astrophysics Source Code Library , Sloan Digital Sky , Evolutionary Map , Australian Square Kilometre Array , Australian Square Kilometre Array Pathfinder , Boolardy Engineering Test , Giant Meterwave Radio , Keck Cosmic Web Imager Integral Field , Fast Radiative Shock , Hubble Space Telescope , Source Code Library , Sloan Digital Sky Survey , Wide Field Infrared Survey Explorer ,