NASA investigates active ‘Old Faithful’ galaxy that erupts every 114 days

NASA investigates active 'Old Faithful' galaxy that erupts every 114 days

In a typical year, over a million people visit Yellowstone National Park, where the Old Faithful Geyser regularly shoots a jet of boiling water into the air. Now, an international team of astronomers has discovered a cosmic equivalent, a distant galaxy that erupts about every 114 days.

Using data From facilities such as NASA’s Neil Gehrels Swift Observatory and the Transiting Exoplanet Survey Satellite (TESS), scientists studied 20 repeated explosions of an event called ASASSN-14kb. These different telescopes and instruments are sensitive to different wavelengths of light. Using them collaboratively, scientists have obtained more detailed images of the explosions.

“These are the most predictable and frequent recurring multi-wavelength eruptions that we have seen from the heart of a galaxy, and they give us a unique opportunity to study this extragalactic Old Faithful in detail,” he said. said Anna Payne, a NASA graduate researcher at the University of Hawaii. “I in Mānoa. “We believe that a supermassive black hole in the center of the galaxy creates the bursts because it partially consumes a giant star in orbit.

A monster black hole siphons gas from a giant star orbiting this …

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