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Meerkat Telescope

All articles tagged with #meerkat telescope

science1 year ago•4 min saved

Astronomers Uncover New Odd Radio Circle with MeerKAT Telescope

Astronomers have discovered a new Odd Radio Circle (ORC), ORC J0219–0505, using the MeerKAT radio telescope in South Africa. This massive circle of radio light, associated with the elliptical galaxy WISEA J021912.43–050501.8, is 371,600 light-years wide and differs from previously discovered ORCs, suggesting a selection bias in earlier detections. The origins of ORCs remain unknown, with theories suggesting they result from shockwaves caused by cosmic collisions or merging supermassive black holes. The discovery highlights gaps in current astronomical knowledge and the need for further research.

via Space.com|

#astronomy #galaxy-formation #meerkat-telescope

science1 year ago•2 min saved

MeerKAT Telescope Unveils New Mysterious Radio Circle

Astronomers using the MeerKAT telescope have discovered a new odd radio circle (ORC J0219–0505) associated with the elliptical galaxy WISEA J021912.43–050501.8. This ORC, part of the MIGHTEE survey, is a faint, edge-brightened ring of radio emission, potentially resulting from a galaxy merger. The discovery suggests a fainter population of ORCs may exist, prompting further investigation into their origins and characteristics.

via Phys.org|

#astronomy #galaxy-merger #meerkat-telescope

science1 year ago•5 min saved

Gravitational Waves Unveil Cosmic Secrets and Black Hole Activity

Astronomers using the MeerKAT Pulsar Timing Array have detected a surprisingly loud gravitational wave background, suggesting more supermassive black holes may be orbiting each other than previously thought. This discovery, made by observing 83 pulsars, has led to the most detailed maps of gravitational waves, revealing a 'hot spot' of activity in the Southern Hemisphere. The findings challenge existing theories about the number of supermassive black holes and could provide insights into the cosmic architecture of the universe.

via ScienceAlert|

#black-holes #galactic-mergers #gravitational-waves

science1 year ago•3 min saved

Astronomers Discover Hundreds of Galaxies Beyond the Zone of Avoidance

Astronomers have used the MeerKAT radio telescope in South Africa to map the Zone of Avoidance, a region obscured by dust near the galactic center, discovering 719 galaxies within the Vela supercluster. This study highlights the potential of radio astronomy to explore areas previously hidden from optical telescopes, offering new insights into the structure of the universe.

via Phys.org|

#astronomy #galaxies #meerkat-telescope

space-and-physics1 year ago•3 min saved

"Neutron Star Observed Emitting Jet in Sprinkler-Like Pattern"

Astronomers have observed a neutron star, Circinus X-1, emitting a jet that changes direction, creating an S-shape in the sky, similar to a garden sprinkler. This discovery, made using the MeerKAT telescope, reveals new details about the system, which remains puzzling even after 50 years of study. The jet's precession is caused by the interaction between the rotating neutron star and its accretion disk, and the phenomenon has been linked to termination shocks moving at 10% of the speed of light.

via IFLScience|

#astronomy #circinus-x-1 #jet-precession

astronomy1 year ago•2 min saved

"Discovery of Radio Halo in Massive Galaxy Cluster"

Astronomers have detected a new radio halo in the massive galaxy cluster ACT-CL J0329.2-2330, using L-band and UHF-band observations with the MeerKAT radio telescope. This discovery, reported in a research paper, marks the highest redshift halo detected so far and suggests rapid magnetic field amplification in galaxy clusters at high redshifts. The radio halo in ACT-CL J0329 exhibits a smooth, regular morphology and has a flux density of 3.44 and 6.11 mJy at L and UHF-band, respectively, indicating its luminosity comparable to halos found in nearby massive galaxy clusters.

via Phys.org|

#act-cl-j0329 #astronomical-observations #astronomy

astronomy2 years ago•2 min saved

"Manchester Astronomers Discover Potential Lightest Black Hole 40,000 Light Years Away"

Astronomers using the MeerKAT telescope in South Africa have discovered a mysterious object in the Milky Way that is heavier than known neutron stars but lighter than the lightest black holes, orbiting a millisecond pulsar 40,000 light years away. This finding could potentially be the first discovery of a radio pulsar-black hole binary, offering new opportunities to test theories of gravity and study black holes. The object was found while observing a star cluster using the MeerKAT telescope, and while its exact nature is still uncertain, it has the potential to provide insights into the properties of matter under extreme conditions in the universe.

via BBC.com|

#astronomers #astronomy #black-holes

science-and-technology2 years ago•2 min saved

"Indian Image Data Processing Tech Unveils Cosmic Mysteries"

An image data processing technology developed by Thoughtworks in India, called ARTIP, has played a crucial role in the MeerKAT Absorption Live Survey (MALS) conducted by the MeerKAT Telescope in South Africa. ARTIP automates data processing, flagging, calibration, and imaging, and has led to significant discoveries, including the detection of the hydroxyl radical and the identification of huge hydrogen atoms in distant galaxies. The technology has processed over 1PB of MeerKAT data, enabling groundbreaking discoveries and benefiting the entire astronomy community. Thoughtworks continues to collaborate with scientific institutes and participate in future software development for the telescope.

via Times of India|

#astronomy #image-data-processing #india

astronomy2 years ago•2 min saved

"Unpredictable Radio Pulsar Stuns Astronomers with Intermittent Signals"

Astronomers using the MeerKAT telescope have accidentally discovered an extremely intermittent radio pulsar, designated PSR J1710−3452. This pulsar exhibits a long spin period of about 10.4 seconds and a pulsed duty cycle of approximately 10%. It showcases similar emission patterns but with diverse structures on a smaller timescale. The researchers suggest that it may be part of an older population of magnetars, neutron stars with strong magnetic fields. Further investigation is needed to confirm this scenario and discover more similar sources.

via Phys.org|

#astronomy #intermittent-pulsar #magnetar

science2 years ago•2 min saved

Mysterious Structures Discovered in the Heart of the Milky Way's Black Hole.

Astronomers have discovered filaments of radio energy, a few light-years long, streaming outward along the galactic plane from Sagittarius A*, the black hole at the center of the Milky Way galaxy. The streaks may be the fading remains of explosive outbursts from the black hole. The discovery adds a new dimension to the electrical complexity of the Milky Way. The geometry of the new streaks suggests that the black hole is spinning on an axis that is likewise parallel to the plane. Future observations with the Event Horizon Telescope should shed further light on the behavior and orientation of the black hole.

via The New York Times|

#astronomy #black-hole #meerkat-telescope

science2 years ago•4 min saved

Mysterious structures and filaments discovered in the Milky Way by scientists.

An international team of astrophysicists has discovered hundreds of mysterious structures in the center of the Milky Way galaxy. These one-dimensional cosmic threads are hundreds of horizontal or radial filaments, slender, elongated bodies of luminous gas that potentially originated a few million years ago when outflow from Sagittarius A*, the Milky Way’s central supermassive black hole, interacted with surrounding materials. The researchers found the structures by analyzing images produced by the South African Radio Astronomy Observatory’s MeerKAT telescope.

via KSLTV|

#astrophysics #black-hole #filaments

science2 years ago•4 min saved

Mysterious Structures and Filaments Discovered in Milky Way's Heart

An international team of astrophysicists has discovered hundreds of mysterious structures in the center of the Milky Way galaxy. These one-dimensional cosmic threads are hundreds of horizontal or radial filaments, slender, elongated bodies of luminous gas that potentially originated a few million years ago when outflow from Sagittarius A*, the Milky Way's central supermassive black hole, interacted with surrounding materials. The researchers found the structures by analyzing images produced by the South African Radio Astronomy Observatory's MeerKAT telescope.

via KSL.com|

#astrophysics #black-hole #filaments

astronomy2 years ago•3 min saved

Mysterious Filaments and Structures Discovered in Milky Way's Center

Astronomers have discovered hundreds of mysterious filaments pointing towards the Milky Way's supermassive black hole, Sagittarius A*. The filaments, which are less than 10 light years in length, are estimated to be about six million years old and appear to be tied to activities in the galactic center. The discovery was made possible by the South African Radio Astronomy Observatory's MeerKAT telescope. The filaments could provide insights into the black hole's spin and accretion disk orientation.

via Good News Network|

#astronomy #black-hole #filaments

astronomy2 years ago•5 min saved

Mysterious Filaments Discovered in Milky Way's Core.

Astrophysicists have discovered a new group of horizontal filaments radiating from the supermassive black hole at the center of the Milky Way, which could provide more insights into the black hole’s spin and accretion disk orientation. The filaments, each measuring 5 to 10 light-years in length, likely originated a few million years ago when outflow from the black hole interacted with surrounding materials. The discovery builds on four decades of research and was made possible by enhanced radio astronomy technology, particularly the MeerKAT telescope.

via SciTechDaily|

#astronomy #astrophysics #black-hole

science2 years ago•4 min saved

Mysterious Structures and Threads Discovered in the Heart of the Milky Way

An international team of astrophysicists has discovered hundreds of mysterious structures in the center of the Milky Way galaxy. These one-dimensional cosmic threads are hundreds of horizontal or radial filaments, slender, elongated bodies of luminous gas that potentially originated a few million years ago when outflow from Sagittarius A*, the Milky Way’s central supermassive black hole, interacted with surrounding materials, according to a study published Friday in The Astrophysical Journal Letters. The researchers found the structures by analyzing images produced by the South African Radio Astronomy Observatory’s MeerKAT telescope.

via CNN|

#astrophysics #black-hole #filaments