DH Aql: August superoutburst

R. Stubbings reported that the SU UMa-type dwarf nova DH Aql was entered a bright outburst (12.6mag) on July 31. The last superoutburst was observed in 1999 April (mv=12.4, A. Pearce). The superhump period of this object had not been well established (vsnet-campaign 404). From the light curve obtained through August 3 observation at Ouda station by H. Iwamatsu and T. Kato, they revealed that there were fully grown superhumps with the amplitude of 0.30mag (vsnet-campaign-dn 81, 92). They calculated the superhump period to be 0.07991 d with the data on August 3, 4, and 5 (vsnet-campaign-dn 99). The Ouda observing team reported on August 9 that the object is slightly fainter than on the previous night. This suggested that the superoutburst was close to the termination (vsnet-campaign-dn 101, 102). The data on August 9 by N. Butterworth can be seen in [vsnet-campaign-data 35].

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