Wayne State Universitys Dan Zowada Memorial Observatory: Characterization and Pipeline of a 0.5 Meter Robotic Telescope

Abstract

Wayne State University's Dan Zowada Memorial Observatory is a fully robotic 0.5m telescope and imaging system located under the dark skies of New Mexico. The observatory is particularly suited to time domain astronomy: the observation of variable objects, such as tidal disruption events, supernovae, and active galactic nuclei. We have developed a software suite for image reduction, alignment and stacking, and calculation of absolute photometry in the Sloan filters used at the telescope. Our pipeline also performs image subtraction to enable photometry of objects embedded in bright backgrounds such as galaxies. The 5 sigma detection limit of the Zowada Observatory for integration of 16 x 90 second exposures is 19.0 magnitude in g-band, 18.1 magnitude in r-band, 17.9 magnitude in i-band, and 16.6 magnitude in z-band. For a 3 sigma detection limit, measurements may be performed with greater uncertainties as deep as 19.9, 19.1. 18.9 and 17.5 magnitude in griz bands, respectively.

arXiv commentAccepted by Publications of the Astronomical Society of the Pacific. 11 pages, 7 figures

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