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[vsnet-campaign-dn 2699] DH Aql: superhump period

DH Aql: superhump period

    The VSNET collaboration team now has ~8400 CCD observations 
obtained during the current superoutburst of DH Aql.  
We have performed a preliminary period analysis using these data sets, 
and calculated a superhump period to be 0.080029 +/- 0.000008 d.  
Our results furthermore show a gradual decreasing of superhump period 
during July 29 - August 1.  

   We have the tonight run on DH Aql now.  The object is still 
bright and the superoutburst is still ongoing.  CCD time-series 
observations are encouraged.

Regards,
Makoto Uemura
on behalf of VSNET collaboration team

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