An image of the James Webb Space Telescope (Image source: NASA)
Astronomers have discovered something remarkable — a supermassive black hole that is growing faster than expected. The black hole’s rapid growth defied what was previously known of supermassive black holes and their host galaxies.
A team of researchers used data from the James Webb Space Telescope to study the galaxy CANUCS-LRD-z8.6 and its supermassive black hole. The team was able to observe this galaxy at an early stage in the universe — just 570 million years after the Big Bang.
With Webb’s Near-Infrared Spectrograph (NIRSpec), they could pick out the faint light from the distant galaxy. Webb’s capabilities also helped them detect key spectral features that suggested the presence of an accreting black hole.
From the observation, the researchers discovered that the supermassive black hole within CANUCS-LRD-z8.6 was exceptionally enormous. At such an early time in the Universe, it is not expected that a supermassive black hole would have grown that much.
Webb also aided the team in determining the galaxy’s properties. They were able to determine the mass of the galaxy’s stars. Again, the mass of the supermassive black hole did not add up when compared to the mass of the galaxy’s stars.
Previous studies have suggested that the size of a supermassive black hole and its host galaxy are linked. But CANUCS-LRD-z8.6’s supermassive black hole appeared to defy that relation. It was growing much faster than its host galaxy.
This observation is refining the current understanding of black holes and how they form. The study was published in Nature Communications. The team aims to delve deeper into their research. They are planning additional observations of the galaxy using the Atacama Large Millimeter/submillimeter Array (ALMA) and Webb.
A zoomed in image of CANUCS-LRD-z8.6 (Image source: ESA/Webb, NASA & CSA, G. Rihtaršič, and R. Tripodi; cropped)
Chibuike Okpara – Tech Writer – 291 articles published on Notebookcheck since 2024
I have always been fascinated by technology and digital devices my entire life and even got addicted to it. I have always marveled at the intricacy of even the simplest digital devices and systems around us. I have been writing and publishing articles online for about 6 years now, just about a year ago, I found myself lost in the marvel of smartphones and laptops we have in our hands every day. I developed a passion for learning about new devices and technologies that come with them and at some point, I asked myself, “Why not get into writing tech articles?” It is useless to say I followed up the idea — it is evident. I am an open-minded individual who derives an infinite amount of joy from researching and discovering new information, I believe there is so much to learn and such a short life to live, so I put my time to good use — learning new things. I am a ‘bookworm’ of the internet and digital devices. When I am not writing, you will find me on my devices still, I do explore and admire the beauty of nature and creatures. I am a fast learner and quickly adapt to changes, always looking forward to new adventures.