JWST captures supermassive black hole feeding in NGC 4696
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NASA's James Webb Space Telescope has captured detailed images of gas feeding the supermassive black hole at the center of galaxy NGC 4696. The observations reveal a filament funneling material into an 800-light-year-wide disk, where gas races at up to 600 kilometers per second. The findings, published in The Astrophysical Journal Letters, suggest black holes may recycle their own fuel.
The Observations
An international team led by the Université de Montréal, with contributions from Michigan State University, analyzed JWST data. The images show long strands of gas linking the galaxy's hot outer atmosphere to a rapidly rotating disk around the black hole. This disk serves as the final reservoir before gas falls inward.
The Fuel Cycle Puzzle
Supermassive black holes can launch jets that heat surrounding gas, potentially cutting off their own fuel supply. Yet many continue feeding. The leading explanation is that heated gas eventually cools, condenses into filaments, and falls back toward the center. Megan Donahue of MSU noted the team is working to understand how black holes get fuel and interact with their host galaxy.
What's Next
The team plans further JWST observations to test the fuel cycle model across other galaxies. It remains unclear how common such recycling is or whether it can sustain black hole growth over cosmic timescales.
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JWST captures supermassive black hole feeding in NGC 4696
