Researchers used machine learning to identify seven rare quasar candidates from a list of 800,000 quasars. The discovery offers an opportunity to expand knowledge of how quasars and their host galaxies work, as well as understanding our own galaxy's evolution.
A recent study from Florida International University suggests that galaxy mergers are neither necessary nor sufficient to stop galaxies from forming new stars. Instead, slower internal processes are believed to play a much larger role in quenching star formation.
The European Space Agency's Euclid space telescope has discovered 31 of the oldest quasars ever found, revealing insights into the universe's first 670 million years. The two most ancient quasars have redshifts of 7.77 and 7.69, setting a new record for their age.
A team of scientists has discovered 31 of the most ancient quasars ever found, including two that radiated light from a trillion suns when the universe was just 670 million years old. These findings provide crucial clues for understanding how supermassive black holes formed and offer insights into the early universe's structure.
The discovery reveals a surprisingly mature black hole at just 850 million years old, with an accretion disk resembling a flat pancake. This challenges the understanding of how supermassive black holes can grow and mature in a short amount of cosmic time.
Researchers have discovered the fastest wind near a supermassive black hole at ultraviolet wavelengths, driven by the quasar's surrounding matter disc. The wind's velocity is up to 30% the speed of light, making it unlike any hurricane on Earth.
A team of astrophysicists has developed a detection system that uses gravitational waves to map out the locations of merging black holes. The new protocol demonstrated by NANOGrav offers a vital way to explore and understand the universe, similar to how X-rays and radio waves did in earlier eras.
New research reveals the structure of matter surrounding supermassive black holes has changed over cosmic time, challenging a fundamental assumption about their behavior. The study combines new X-ray observations to explore the relation between X-ray and ultraviolet light intensity of an unprecedentedly large sample of quasars.
Astronomers have captured the first-ever radio image of two black holes orbiting each other at the centre of a quasar called OJ287. The observation confirms the existence of black hole pairs and provides insight into their orbital motion.
Researchers used the James Webb Space Telescope to study 12 quasars from 12.9 billion years ago, revealing mature galaxies with active supermassive black holes. This challenges previous research suggesting black hole activity suppresses galaxy growth, instead showing a complex relationship between the two.
A newly discovered cluster of eleven quasars has shattered the previous record, with the Cosmic Himalayas forming a boundary between galaxy groups. This structure forces astronomers to rethink quasar formation scenarios, leading to new theories and potential insights into the evolution of the Universe.
A newly discovered cluster of eleven quasars has shattered the previous record of five, with the Cosmic Himalayas quasar cluster sitting on the boundary between two groups of galaxies. This structure cannot be explained by conventional theories and forces astronomers to rethink formation scenarios for quasars.
A team of astronomers observed a rare cosmic collision where one galaxy is pierced by intense radiation from a quasar, leading to the disruption of stellar nurseries. The study used ALMA and ESO's VLT telescopes to reveal the effects of this radiation on the internal structure of the gas in the regular galaxy.
A team of geneticists discovered a gene 'silencer' in junk DNA that prevents the devastating neurological disease autosomal dominant leukodystrophy (ADLD). The silencer element regulates lamin B1 expression, only affecting one type of cell, and its presence can spare patients from fatal symptoms.
Researchers from Japan develop a non-contact, millimeter-wave sensor system to monitor respiratory motion during diagnostic X-ray and CT imaging. The system has been validated through extensive testing with healthy volunteers and shows promise for improving diagnostic accuracy and treatment outcomes.
Scientists have discovered a distant, two-lobed radio jet that spans an astonishing 200,000 light-years at least, twice the width of the Milky Way. The team used a combination of telescopes to detect the jet and measure its properties, including the mass of the quasar producing it.
Astronomers have detected a supermassive black hole with a jet pointed towards Earth in the first billion years of the universe. The discovery offers crucial information for studying reionization and could point to other supermassive black hole candidates from the early universe.
Astronomers have discovered a rare spiral-shaped galaxy hosting a young jet, challenging the conventional wisdom on quasar formation. The galaxy, J0742+2704, features a supermassive black hole and brilliant hot disks of swirling gas that can blast off jets of material.
Astronomers have used the Hubble Space Telescope to study a quasar up close, revealing complex structures around a supermassive black hole. The observations show a mysterious L-shaped filamentary structure and small satellite galaxies falling into the black hole, offering insights into quasar formation and galaxy interactions.
A new study using the Dark Energy Camera has found that early-universe quasars have surrounding companion galaxies within a distance of 15 million light-years, which is consistent with expectations. However, the team also discovered that there are no companion galaxies within 60 million light-years of the quasar.
Researchers have observed the circumgalactic medium of a star-bursting galaxy 270 million light years away, revealing its vastness and influence on gas formation. The study provides new insights into galaxy evolution, how galaxies acquire gas, and where it goes.
A team of researchers used ALMA to study the earliest known pair of close quasars, discovering that they are merging and will form a super-bright monster galaxy. The merger is expected to trigger a rapid increase in star formation, creating a 'starburst' effect.
The International Gemini Observatory and Subaru Telescope have discovered the most distant pair of merging quasars, seen only 900 million years after the Big Bang. The team used follow-up spectroscopy to confirm the nature of the quasar pair and their host galaxies.
Astronomers found the earliest pair of quasars, revealing a bridge of gas between merging galaxies at 900 million years after the Big Bang. This discovery clarifies the role of galaxy mergers and black hole activity in the Universe's evolution.
Researchers discovered wind from a black hole's radiation blasting gas out of its galaxy at an unprecedented speed. The study sheds light on how active black holes shape their galaxies by spurting on or snuffing out new star formation.
An international team used deep learning neural networks to identify rare weak signals in quasar spectral data. They discovered 107 extremely rare neutral carbon absorbers, doubling the number of samples found in 2015, and detected more faint signals than before.
Astronomers have charted the largest-ever volume of the universe with a new map of active supermassive black holes, logging 1.3 million quasars in space and time. This map allows scientists to study dark matter and the universe's expansion by comparing distant quasars and their host galaxies.
A team of astronomers has detected a gravitationally lensed supermassive black hole in the early universe, which was found to be significantly more massive than its host galaxy. The discovery, made using images from the James Webb Space Telescope, revealed the black hole's unique red color and confirmed it as a supermassive black hole.
The discovery of J0529-4351 reveals the most luminous object in the known Universe, with a mass of 17 billion Suns and an accretion disc seven light-years in diameter. The quasar's brightness surpasses that of 500 trillion Suns, providing valuable insights into supermassive black holes and their role in shaping the early Universe.
Researchers observed molecular gas outflow from quasar J2054-0005 using ALMA, revealing suppression of star formation in its host galaxy. The findings confirm theoretical predictions and provide strong evidence for powerful molecular gas outflows in early Universe quasars.
The PRIYA simulation suite provides a new model for simulating large-scale structure in the universe, constraining cosmological parameters and dark matter. The study confirms the σ8 tension between CMB measurements and weak lensing, with implications for understanding the universe's evolution billions of years after the Big Bang.
Astronomers studying two distant galaxies in the early universe reveal unprecedented molecular diversity, shedding light on the lives of prodigious star factories. By analyzing light from over 13 molecules, researchers gain insights into the physical and chemical conditions in these galaxies.
Researchers discover extremely red objects (EROs) in James Webb Space Telescope data that resemble blue-excess dust obscured galaxies (BluDOGs) found in Subaru Telescope data. The similarity suggests EROs and BluDOGs may be at similar stages of evolution, with a larger sample needed to confirm the relationship.
A new study reveals that quasars can be obscured by dense clouds of gas and dust within their host galaxies, rather than just the 'dusty torus' around the black hole. This phenomenon is more common in compact starburst galaxies with intense rates of star formation.
Astronomers discovered a link between dust surrounding supermassive black holes and radio emission in extremely bright galaxies. The study found that quasars with more dust were more likely to have stronger radio emission.
A team of researchers from the University of Tokyo has measured dark matter halo masses around ancient quasars, finding a consistent mass of about 10 trillion times the mass of our sun. This discovery suggests a characteristic DMH mass that activates quasars regardless of time period.
Researchers have discovered quasar-driven superbubble pairs, providing evidence for the outflow mechanism in galaxy evolution. These pairs, which extend over 60,000 light-years, are generated by quasars driving gas into intergalactic space.
Scientists discover threadlike arrangement of galaxies, anchored by a quasar, which marks the first time such a structure has been observed at 6% of its current age. The findings provide clues about the fundamental architecture of the universe and the formation of supermassive black holes.
Researchers used quasar data to analyze time dilation in the early universe, confirming that it was running at five times slower. By observing nearly 200 quasars, scientists were able to standardize their 'ticking' and chart the expansion of space.
Astronomers have discovered the earliest strands of the cosmic web, comprising 10 galaxies that existed just 830 million years after the big bang. The 3 million light-year-long structure is anchored by a luminous quasar, with team members believing it will eventually evolve into a massive cluster.
A new study detects starlight from two massive galaxies hosting actively growing black holes, seen less than a billion years after the Big Bang. The findings suggest that the relationship between black holes and their host galaxies was already in place 860 million years ago.
Researchers have detected a smaller black hole in the binary system OJ287 for the first time, confirming its existence through observations of 26 predicted flares and gamma ray signals. The bigger black hole weighs over 18 billion times the mass of our Sun.
A team of researchers has developed a new method to measure the mass of quasar host galaxies with unprecedented precision using strong gravitational lensing. This technique allows scientists to better understand galaxy formation and black hole development in the distant universe.
A team of astronomers has observed the most luminous quasar in 9 billion years, shedding light on its interaction with its environment. The study found that the quasar's black hole is growing at a rate of 100 solar masses per year and emitting powerful winds into the host galaxy.
Scientists have discovered that quasars are ignited by galaxies crashing together, a process that drives gas towards supermassive black holes and releases extraordinary amounts of energy. This finding provides a significant step forward in understanding how these powerful objects are triggered and fuelled.
Astronomers using NASA's Hubble Space Telescope discovered a pair of gravitationally bound quasars inside two merging galaxies when the universe was just 3 billion years old. The finding provides insights into early galaxy mergers and supermassive black holes.
Astronomers have discovered a closely bound pair of actively feeding supermassive black holes in the same galactic real estate, 10,000 light-years apart. This finding provides crucial information about the nature of cosmic systems on the verge of becoming giant elliptical galaxies.
Researchers found that compact, low-power jets can disrupt gas distribution and accelerate it, leading to unexpected turbulence. The study challenges previous beliefs about the impact of low-power jets on galaxies.
A rare quasar triplet formed a massive black hole with a mass of 10 billion solar masses, according to recent simulations. The triple system, composed of three galaxies with supermassive black holes at their centers, is believed to be the progenitor of ultra-massive black holes.
An international team of scientists observed the narrowing of a quasar jet for the first time using a network of radio telescopes. The results suggest that the jet's narrowing is independent of the host galaxy's activity level, providing an important clue to understanding jet formation.
Scientists have discovered the remnant material of an ancient star's explosion using innovative analysis of a quasar. The study suggests a 300-solar-mass first-generation star died in a 'super-supernova' explosion, leaving behind a distinctive blend of heavy elements.
A mutation in the TMEM163 zinc transporter gene has been definitively linked to hypomyelinating leukodystrophy, a rare and often fatal neurological disorder. The study's findings provide new insights into the role of zinc in normal brain development, injury, and disease.
A team of researchers found that the internal donut-shaped structure of quasars can affect the ionization level of intergalactic gas in different directions. The study suggests that a dust torus is likely to be responsible for this anisotropic effect.
Researchers found a missing link between galaxies and quasars, discovering a supermassive black hole in archived Hubble Space Telescope data. The object, GNz7q, appears to be a black hole just starting to overpower its host galaxy in the process of becoming a quasar.
Astronomers identify GNz7q, a dusty compact object with properties of both galaxies and quasars, born 750 million years after Big Bang. The discovery provides new insights into the rapid growth of supermassive black holes in early universe.
Researchers from USTC discovered the acceleration of quasar outflows at tens of parsecs, exceeding traditional accretion disk wind model predictions. The findings suggest a key role for interstellar dust in facilitating this acceleration.
Researchers have found evidence for two supermassive black holes orbiting each other every two years, with masses hundreds of millions times larger than our sun. The quasar's radio-light brightness exhibits sinusoidal variations due to the pair's motion, providing a nearly perfect light curve.
The study found a decline in star formation from low-ionization BAL to high-ionization BAL and a rebound of this process from HiBAL to non-BAL. The researchers proposed an evolutionary model to explain the results, suggesting that the outflow caused by AGNs has a global negative feedback on galaxy evolution.
An international team used the MUSE instrument to map a galactic wind and observe the formation of a nebula around a galaxy, revealing some of the Universe's missing baryons. This discovery confirms that 80–90% of normal matter is located outside of galaxies.