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EE Cephei

2009 brought an eclipse of a prominent northern hemisphere binary star with an orbital period of several years, and a number of observers obtained excellent photometry highlighting important changes in the eclipse over time.

Nope, not epsilon Aurigae, but EE Cephei, an eclipsing binary at V=10.8 with a period just over 2000 days. Like epsilon Aurigae, EE Cep is suspected of having a disk as part of the eclipsing component.  Observers in 2009 noted changes in the eclipse shape from the previously observed eclipse in 2003, which suggests changes in disk shape or orientation or both.

The next eclipse of EE Cep will be in July 2014, so have your equipment ready!

For more information visit: http://cdsads.u-strasbg.fr/cgi-bin/nph-bib_query?2009JAVSO..37...96S&db_key=AST&nosetcookie=1
Prepared By: Matthew Templeton
AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484