The James Webb Space Telescope (JWST) has captured detailed observations of massive galaxies 11 billion light-years away, revealing how supermassive black holes (SMBHs) suppress star formation, halting galaxy growth.
Galaxy clusters, often likened to cosmic “big cities,” are home to giant elliptical galaxies that no longer form stars. While the mechanism behind this phenomenon has been unclear, a recent study using JWST sheds light on the role of SMBHs.
According to a report by SciTechDaily, These colossal entities emit intense energy, disrupting the gas supply essential for star formation and paving the way for these galaxies to evolve into the massive structures seen today.
An international team led by Associate Professor Rhythm Shimakawa of Waseda University studied the Spiderweb protocluster, a galaxy cluster located 11 billion light-years away. Using JWST’s Near-Infrared Camera, they mapped hydrogen recombination lines to track star formation and SMBH activity.
Their findings confirmed that galaxies hosting active SMBHs show no signs of new star formation, supporting theories of SMBHs’ pivotal role in shaping elliptical galaxies.
Dr. Shimakawa highlighted the study as a breakthrough in understanding the co-evolution of galaxies and SMBHs, building on over a decade of observations with facilities like the Subaru Telescope.
The results, published in Monthly Notices of the Royal Astronomical Society: Letters on December 18, 2024, underscore the profound impact of SMBHs on galaxy evolution.
