Black hole enjoys fantastically long stellar feast | Science News


Support Science Journalism

Science News is a nonprofit.

Support us by subscribing now.

The –est

Black hole enjoys fantastically long stellar feast

X-ray glow gives away the slow chow down

9:00am, February 27, 2017
supermassive black hole

SLOW EATER  A supermassive black hole has set a record for the longest meal, slurping on a single star for more than 10 years. In this artist’s illustration of the event, gas from the star (red) falls toward the black hole, while a wind blows the other way (blue).

Black holes are speed eaters, usually scarfing down a star in less than a year. But a supermassive black hole in a galaxy about 1.8 billion light-years away has been gorging on a single star for more than 10 years – longer than any other observed supermassive black hole meal.

Astronomers detected the extraordinary feast in X-ray images from ESA’s XMM-Newton spacecraft and NASA’s Chandra and Swift satellites. From 2005 to 2008, X-rays from the region grew 100 times brighter — probably as the black hole began devouring the star — and the glow has been largely sustained ever since. The consumed star may be a hefty one with 10 times the mass of the sun, which could explain the extended meal. The X-ray flare probably won’t dim significantly for several years, the astronomers report online February 6 in Nature Astronomy.


This article is only available to Science News subscribers. Already a subscriber? Log in now.
Or subscribe today for full access.

Get Science News headlines by e-mail.

More from Science News

From the Nature Index Paid Content