Quantcast
Last updated on April 19, 2014 at 21:20 EDT

Latest Epsilon Aurigae Stories

24e4e97f844b64fdf4bbabf2a1a2ba7e1
2010-04-07 13:35:00

For the first time, astronomers have directly observed the mysterious dark companion in a binary star system that has puzzled skywatchers since the 19th century. Using an instrument developed at the University of Michigan, scientists have taken close-up pictures of Epsilon Aurigae during its eclipse, which happens every 27 years. "Close up" in this case is a relative term, but the images zoom in enough to show the shape of the dark object's shadow. "Seeing is believing," said John Monnier, an...

8c1f7f7a3d0233e5ffb10a502a69b4c01
2010-01-05 08:45:00

For almost two centuries, humans have looked up at a bright star called Epsilon Aurigae and watched with their own eyes as it seemed to disappear into the night sky, slowly fading before coming back to life again. Today, as another dimming of the system is underway, mysteries about the star persist. Though astronomers know that Epsilon Aurigae is eclipsed by a dark companion object every 27 years, the nature of both the star and object has remained unclear. Now, new observations from NASA's...

8cdf297f92927adecd4f4d78e2e25c7b1
2007-02-22 11:32:47

ESA's X-ray observatory XMM-Newton has revealed evidence for a magnetic field in space where astronomers never expected to find one. The magnetic field surrounds a young star called AB Aurigae and provides a possible solution to a twenty-year-old puzzle. At 2.7 times the mass of the Sun, AB Aurigae is one of the most massive stars in the Taurus-Auriga star-forming cloud. Although amongst nearly 400 smaller stars, its ultraviolet radiation plays a key role in shaping the cloud. Its massive...