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We present minute cadence photometry of 31732 point sources observed in one 3$deg^{2}$ DECam pointing centred at RA = 09:03:02 and Dec = -04:35:00 overeight consecutive half-nights. We use these data to search for eclipse-likeevents consistent with a planetary transit of a white dwarf and other sourcesof stellar variability within the field. We do not find any significantevidence for minute-long transits around our targets, hence we rule outplanetary transits around ~370 white dwarfs that should be present in thisfield. Additionally, we identify 49 variables, including 40 new systems. Theseinclude 23 detached or contact stellar binaries, 1 eclipsing white dwarf + Mdwarf binary, 16 $\delta$ Scuti, three RR Lyrae, and two ZZ Ceti pulsators.Results from the remaining two fields in our survey will allow us to place morestringent constraints on the frequency of planets orbiting white dwarfs in thehabitable zone.

The DECam Minute Cadence Survey II: 49 Variables but No Planetary Transits of a White Dwarf