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Measuring the superhump period of the dwarf nova RX J1715.6+6856
Jeremy Shears, Ian Miller, Richard Sabo
We report unfiltered CCD observations of the first confirmed superoutburst of the dwarf nova RX J1715.6+6856 in August 2009. At quiescence the star was magnitude 18.3 (CCD, clear).…
The 2009 Outburst of V630 Cassiopeiae
Jeremy Shears, Gary Poyner
We present observations and analysis of the 2009 outburst of the unusual dwarf nova V630 Cas which is only the third recorded outburst of this star. The outburst lasted about 104 d…
Polarimetry and the Long Awaited Superoutburst of BZ UMa
A. Price, J. Masiero, A. A. Henden +18
BZ UMa is a cataclysmic variable star whose specific classification has eluded researchers since its discovery in 1968. It has outburst and spectral properties consistent with both…
CCD photometry of the first observed superoutburst of KP Cassiopeiae in 2008 October
David Boyd, Pierre dePonthiere, Jerry Foote +7
We report CCD photometry and analysis of the first observed superoutburst of the SU UMa-type dwarf nova KP Cassiopeiae during 2008 October. We observed a distinct shortening of the…
Survey of Period Variations of Superhumps in SU UMa-Type Dwarf Novae
Taichi Kato, Akira Imada, Makoto Uemura +60
We systematically surveyed period variations of superhumps in SU UMa-type dwarf novae based on newly obtained data and past publications. In many systems, the evolution of superhum…
The 2008 outburst of the cataclysmic variable V358 Lyrae
Jeremy Shears, David Boyd, Tut Campbell +7
We report photometry of V358 Lyr during its 2008 November outburst, the first confirmed outburst since 1965. At its brightest the star was V=15.9 and the outburst amplitude was at…
VSX J074727.6+065050: a new WZ Sagittae star in Canis minor
Jeremy Shears, Steve Brady, Greg Bolt +16
We present photometry of the first reported superoutburst of the dwarf nova VSX J074727.6+065050 during 2008 January and February. At its brightest the star reached magnitude 11.4…
SDSS J080434.20+510349.2: Eclipsing WZ Sge-Type Dwarf Nova with Multiple Rebrightenings
Taichi Kato, Elena P. Pavlenko, Hiroyuki Maehara +8
We observed the 2006 superoutburst of SDSS J080434.20+510349.2 during its plateau phase, rebrightening phase, and post-superoutburst final decline. We found that this object is a g…