DV Aquarii - AbsoluteAstronomy.com

DV Aquarii is a Beta Lyr

Beta Lyrae variable

Beta Lyrae variables are a class of close binary stars. Their total brightness is variable because the two component stars orbit each other, and in this orbit one component periodically passes in front of the other one, thereby blocking its light. The two component stars of Beta Lyrae systems are...

type eclipsing binary.

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