Eta Carinae the Enigmatic Explosive Star Probed by NASA NUSTAR

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Eta Carinae, is a well known massive, luminous star system located about 7,500 light-years away from the Earth. It is in the southern constellation of Carina, and produced an outburst in the 19th century making it the second-brightest star in the sky. Since then, Eta Car has been well studied but still it holds fascination for astronomers studying explosive star systems. It has two massive stars that come very close to each other every 5.5 years. The system has intense outflows which accelerate charged particles to an amazing speed and can produce energy bursts that can be observed by many telescopes. Studies with the NuSTAR space telescope recently have helped characterize the outbursts and the types of particles sent our way

Join Tony Darnell and Carol Christian during Afternoon Astronomy Coffee on July 12 at 3PM Eastern time as they discuss with the investigators, including Kenji Hamaguchi of Goddard Space Flight Center (GSFC) and U. of Maryland (UMBC) and Michael Corcoran of GSFC and Catholic University how they probed Eta Car with NuSTAR to understand the system, and they will describe this interesting NASA mission that probes the high energy universe.

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Björn Larsson says:

Oh, so it WAS observed as it happened? I've heard astronomers say that it wasn't. The first visible new star in the night sky in 250 years. I thought it was strange since there must've been plenty of sailors in the southern hemisphere, who back then knew the star map very well for navigational purposes. Some must've mentioned it in the log book.

Frank Nitti says:

Is my iPad broke or is there no audio?

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