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Photometric study of new southern SU UMa-type dwarf novae and candidates -- II. Authentication of BF Ara as a normal SU UMa-type dwarf nova with the shortest supercycle
We photometrically observed the 2002 August long outburst of BF Ara. The observation for the first time unambiguously detected superhumps [average period 0.087 97(1) d], qualifying BF Ara as a genuine SU UMa-type dwarf nova. An analysis of the long-term visual light curve yielded a mean supercycle length of 84.3(3) …