[vsnet-outburst 10371] IL Vul superoutburst

David Boyd drsboyd at dsl.pipex.com
Fri Jul 10 10:52:45 JST 2009


3.4hrs of unfiltered photometry of IL Vul tonight shows what appear to be 0.1 
mag superhumps with period ~0.075d on top of a slowly fading trend. The mean 
magnitude of IL Vul during the run was 16.1.

It therefore looks likely that IL Vul is a UGSU-type dwarf nova.

Regards,
David Boyd


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