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SDSS J162718.39+120435.0 - a dwarf nova in the period gap
Jeremy Shears, Steve Brady, Boris Gaensicke +5
SDSS J162718.39+120435.0 was suspected of being a dwarf nova from spectroscopic observations made available by the Sloan Digital Sky Survey. Photometry conducted during the 2008 ou…
New Observations and a Possible Detection of Parameter Variations in the Transits of Gliese 436b
Jeffrey L. Coughlin, Guy S. Stringfellow, Andrew C. Becker +3
We present ground-based observations of the transiting Neptune-mass planet Gl 436b obtained with the 3.5-meter telescope at Apache Point Observatory and other supporting telescopes…
Superhumps and flickering in V1316 Cygni
David Boyd, Christopher Lloyd, Robert Koff +7
We present analysis and results of a coordinated CCD photometry campaign to observe the 2006 June superoutburst of the cataclysmic variable V1316 Cyg involving 8 longitudinally-dis…
Observation of the first gravitational microlensing event in a sparse stellar field : the Tago event
A. Fukui, F. Abe, K. Ayani +17
We report the observation of the first gravitational microlensing event in a sparse stellar field, involving the brightest (V=11.4 mag) andclosest (~ 1 kpc) source star to date. Th…
Photometry and astrometry of SS Leo Minoris during the 2006 October superoutburst
Jeremy Shears, David Boyd, Tom Krajci +3
We report unfiltered CCD observations of the first confirmed superoutburst of the SU UMa-type dwarf nova SS LMi in October 2006. From a quiescent magnitude of around 21.7 it rose t…
Photometry of the dwarf nova AW Sagittae during the 2006 November superoutburst
Jeremy Shears, Roger Pickard, Tom Krajci +1
During 2006 November an outburst of the dwarf nova AW Sge was observed using CCD photometry. This revealed 0.25 magnitude superhumps confirming it to be a superoutburst, possibly o…