October 22, 2017

AstroEvent: When will Epsilon Aurigae Brighten?

One of the strangest variable stars is worth watching this spring.  Back in 2009, we alerted viewers to monitor the curious variable Epsilon Aurigae. Once every 27.06 years, this star dips nearly a magnitude in brightness down to about +3.8, markedly discernable to the naked eye. This drop lasts for over a year before Epsilon Aurigae returns to its former self. This spring should witness such an occurrence.

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AstroEvent of the Week: 27.04.09: Epsilon Aurigae.

The American Association of Variable Star Observers wants you to help gather data on a very enigmatic astronomical object; the variable star Epsilon Aurigae. This seemingly ordinary star varies in a very peculiar way. The primary is a type F0 super-giant star, and what is known is that every 27.06 years an unseen mass dims its light from its usual +3.0 magnitude to about +3.8 for about a year.

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Dune by Frank Herbert

Dune is a landmark Sci-Fi novel. The original book eventually spun off several sequels and prequels, as well as a movie and a much improved Sci-Fi channel adaptation.  [Read more...]