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R Leonis Minoris

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R LMi is a fine northern Mira variable with a substantial range, and a period just over one year (372 days).  R LMi shows cycle-to-cycle variations like many Mira variables do, and so it never quite puts on the same show from year to year.  The star is a known maser source, and it's also been studied with interferometry and found to be asymmetric -- if you were to have a "close up" view of the star, its face would have significant variations across it.

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Prepared By: Matthew Templeton
AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484