Outburst of the UGWZ-type dwarf nova EG Cancri

Details Outburst of the UGWZ-type dwarf nova EG Cancri Outburst of the UGWZ-type dwarf nova EG Cancri

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aan...407....1t&link_type=abstract

AAVSO Alert Notice 407

Physics

Eg Cnc, Ugwz, Dwarf Nova, Aavso International Database, Superhumps

Scientific paper

The WZ Sge-type dwarf nova EG Cancri has been reported in outburst by Ian Miller (Swansea, Wales), who reported it at m(CV) = 14.3 on 2009 October 12.138 UT. two-hour span of the time series. Observations of EG Cnc are urgently requested at this time, including visual estimates, CCD photometry, and CCD time-series observations. The last major outburst of EG Cnc occurred in November 1996, and the star exhibited multiple rebrightenings as is observed in the WZ Sge class. The star is currently well below its maximum of 11.4 observed in 1996, and so the current stage of the outburst is unknown. The star recently emerged from solar conjunction in the morning sky. Observations are encouraged throughout the remainder of 2009 at least. EG Cnc exhibited short-term variability (superhumps) during its last outburst, and so CCD time-series are needed in addition to visual estimates and CCD photometry. Observations should be submitted to the AAVSO International Database as EG CNC.

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