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Variable stars with companions

In the April 2014 Newsletter we published an article on variable stars with close companion causing problems with their photometry.

In this page we give more information and updated tables so you can be aware of the stars that are causing problems or have caused problems in the past.

We will be updating this information with more stars in the future.
If you find a problem similar to those described in the Newsletter article, please let us know.


To Colleagues Using AAVSO Data


Dear Colleague,

AAVSO in Print

Ray Berg
Ray Berg prepares to make observations.


AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484