The 2011 February superoutburst of the dwarf nova SDSS J112003.40+663632.4
Jeremy Shears, Steve Brady, Tom Krajci, Enrique de Miguel, Mike, Potter, Richard Sabo, William Stein
TL;DR
This paper documents the 2011 February superoutburst of the dwarf nova SDSS J112003.40+663632.4, highlighting superhump detection, outburst characteristics, and period measurement, confirming its classification as an SU UMa type dwarf nova.
Contribution
First detailed photometric analysis of the 2011 superoutburst of SDSS J112003.40+663632.4, establishing superhump presence and precise period measurement.
Findings
Superhumps with 0.22 mag amplitude observed.
Outburst lasted at least 12 days.
Superhump period measured as 0.07057 days.
Abstract
We report unfiltered photometry of SDSS J112003.40+663632.4 during the 2011 February outburst which revealed the presence of superhumps with peak-to-peak amplitude of up to 0.22 magnitudes showing this to be an SU UMa type dwarf nova. The outburst amplitude was 5.4 magnitudes above mean quiescence and it lasted at least 12 days. The mean superhump period during the plateau phase was Psh = 0.07057(19) d.
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Taxonomy
TopicsAstrophysical Phenomena and Observations · Astronomical Observations and Instrumentation · Gamma-ray bursts and supernovae