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The 2009 July Superoutburst of IL Vulpeculae

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David Boyd
5 Silver Lane, West Challow, Wantage, OX12 9TX, UK

Tut Campbell
7021 Whispering Pine, Harrison, AR 72601

George Roberts
2007 Cedarmont Drive, Franklin, TN 37067

Received September 28, 2009; revised October 19, 2009; accepted October 19, 2009

Abstract
IL Vulpeculae experienced its first recognized superoutburst in 2009 July, thereby identifying itself as a UGSU-type dwarf nova. We measured the superhump period and amplitude as 0.071(1) day and 0.12 magnitude, respectively, and estimate its orbital period to be 0.069(1) day.

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