Sentences with phrase «active supermassive»
High resolution observations with the Atacama Large Millimeter / submillimeter Array (ALMA) imaged a rotating dusty gas torus around an active supermassive black...
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The team focused on seven jellyfish galaxies, and amazingly, six out of the seven jellyfish galaxies were found to host an active supermassive black hole at the center, feeding on the surrounding gas.
An international research team led by Takuma Izumi, a second - year master's student of science at the University of Tokyo, and Kotaro Kohno, a professor at the University of Tokyo, successfully captured a detailed image of high - density molecular gas around an active supermassive black hole at the center of a galaxy called NGC 1097 at the highest sensitivity ever achieved.
Previous observations had revealed that these filaments that stretch out from NGC 4696's main body encircle a bright centre, where an active supermassive black hole is feeding on dust and debris and heating up the surrounding gas to temperatures that make it glow white - hot.
«Rotating dusty gaseous donut around an active supermassive black hole.»
They selected about 100 galaxies containing active supermassive black holes.
Astronomers have observed tornadolike winds powered by a central active supermassive black hole, such as the one in this image, pervading a galaxy.
On Friday at a meeting of the Royal Astronomical Society in Glasgow, U. K., Bluck will report that the most active supermassive black holes release staggering amounts of radiation during their most energetic periods, which can last hundreds of millions of years — enough, he says, «to strip apart every massive galaxy in the universe at least 25 times over.»
Although the findings confirm that active supermassive black holes emit plenty of x-rays, he explains, whether the radiation actually empties galaxies of their gas «is a good hypothesis — though still far from a certainty.»
Now it seems these galaxies host highly active supermassive black holes, which may be fed by the same process that gives the galaxies their distinctive tentacles.
The bright nucleus of galaxy NGC5750 reveals the presence of an active supermassive black hole.
Not exact matches
Supermassive J0100 +2802 sits at the center of an active galaxy, called a quasar, 12.8 billion light - years away.
These growing supermassive black holes are called Active Galactic Nuclei (AGN).
In a recent paper published in The Astrophysical Journal, Boorman (and colleagues from the NuSTAR active galaxies science team) described how data from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) has been used to study the intrinsic behaviour of a «hidden» supermassive black hole in a galaxy nearby to our own — IC 3639 — some 175 million light years from Earth, relatively close by in cosmic terms.
He notes that the model was originally developed for active galactic nuclei — outbursts powered by supermassive black holes — so there is no reason to think it must also apply to gamma - ray bursts.
One possibility was that they are spat out by «active galactic nuclei» (AGNs)-- energetic galaxies powered by matter swirling onto a supermassive black hole.
Quasars are considered «active» galaxies because the bright objects are powered by supermassive black holes that are devouring their surroundings.
The leading suspects in the half - century old mystery of the origin of the highest - energy cosmic particles in the universe were in galaxies called «active galactic nuclei,» which have a super-radiating core region around the central supermassive black hole.
One alternative is the galaxy's active nucleus, with radio emission coming from jets of material emitted from the region surrounding a supermassive black hole.
It may be the result of an active galactic nucleus, where energy is gushing from a supermassive black hole.
Quasar An active galactic nucleus derives its high energy from gas accreting on the center of a supermassive black hole.
In addition to the bright and chaotic features, each merging galaxy of NGC 5256 contains an active galactic nucleus, where gas and other debris are fed into a hungry supermassive black hole.
The emission instead originates from an active galactic nucleus that is powered by a supermassive black hole.
The central region of M77 is an «active galactic nucleus,» or AGN, which means that matter is vigorously falling toward the central supermassive black hole and emitting intense light.
«These new observations have allowed us to narrow down the emissions to a very small region, typical of an active nucleus — i.e. jets emanating from a supermassive black hole.
Although both galaxy types host voracious supermassive black holes known as active galactic nuclei, which actively swallow matter and emit massive amounts of radiation, Type I galaxies appear brighter to astronomers» telescopes.
«The best part of this project for me was learning about active galactic nuclei and supermassive black holes on a level I never could have in either undergraduate or graduate classroom settings.»
«By putting us on a path to better understand the differences between the galaxies that host Type I and Type II active nuclei, this work will help us better understand how supermassive black holes influence the evolution of their host galaxies.»
To measure the mass and growth rate of these galaxies» active nuclei — the supermassive black holes at the galaxies» centers — the researchers used data from 12 different ground - based telescopes spread across the globe to complement the data from the Swift satellite.
Blazars periodically flare when the supermassive black holes in some active galaxies» cores fill with dust and gas, releasing massive amounts of energy.
Nobody is sure, but attention will now shift to active galactic nuclei powered by supermassive black holes.
Attention will now shift to active galactic nuclei (AGN), which are powered by supermassive black holes.
The source directions of the most energetic cosmic rays correlate with locations of nearby active galactic nuclei, implying that they form from supermassive black holes.
Quasars are believed to be powered by accretion of material onto supermassive black holes in the nuclei of distant galaxies, making these luminous versions of the general class of objects known as active galaxies.
It is a Seyfert galaxy that is dominated by something known as an Active Galactic Nucleus — its core is thought to contain a supermassive black hole that is emitting huge amounts of radiation, pouring energetic X-rays out into the universe.
Active, supermassive black holes at the hearts of galaxies tend to fall into two categories: those that are hidden by dust, and those that are exposed.
Among them, Active Galactic Nuclei (AGN) represents a type of supermassive black hole which are gulping down surrounding gas very actively and emitting some amount of gas as a high - speed gas flow (jet).
The top candidates, the astronomers suggested, are a neutron star, possibly a highly - magnetic magnetar, surrounded by either material ejected by a supernova explosion or material ejected by a resulting pulsar, or an active nucleus in the galaxy, with radio emission coming from jets of material emitted from the region surrounding a supermassive black hole.
The brightest type of active galactic nucleus, believed to be powered by a supermassive black hole.
A team of scientists from 17 countries have found the most likely origin of galactic cosmic rays - the centres of distant galaxies (Active Galactic Nuclei) powered by supermassive black holes.
Normally, an «active» galaxy — one that has a supermassive black hole at its centre — shines very brightly.
Most galaxies in the observable universe contain a supermassive black hole at their center, one that is either active and surrounded by an accretion disk of dust, gas and other debris, or is dormant — lurking at the center, patiently awaiting its next meal.
The GBT has joined Spektr - R in several observations of active galactic nuclei, the supermassive black holes lurking inside galaxies that are bright in radio waves.
Although the data is limited only to a small number of target objects, Figure 3 shows the ratio of HCN / HCO + and HCN / CS increases in galaxies that have a supermassive black hole in a more active state.
The observation demonstrates a direct connection between a supermassive black hole and activity in the nucleus of an active galaxy.
«We want to understand why only a small fraction of supermassive black holes are active,» said Benedetta Vulcani, an astronomer from the University of Melbourne, in a statement.
When supermassive black holes at the center of galaxies accrete matter (usually gas), they give rise to a highly energetic phenomena named Active Galactic Nuclei (AGN).
Indeed, GRBs appear to emit produce even more energy than supernovae or even quasars (which are energetically bright accretion disks and bi-polar jets around supermassive black holes that are most commonly found in the active nuclei of some distant galaxies and possibly even in the pre-galaxy period after the Big Bang).
Microquasars In far - distant quasars and active galaxies, millions or even billions of light - years away, the gravitational and magnetic energy of supermassive black holes is capable of accelerating «jets» of subatomic particles to speeds approaching that of light.
The mechanisms behind black hole accretion are poorly understood, but the researchers suggest that this example may just have been an «early bloomer» that had an extremely active youth, only to settle down as a «regular» supermassive black hole in a large elliptical galaxy.