A SuperWASP Light Curve Displaying a Single Long-duration Transit: A Jupiter Size Exoplanet in a Very Distant Orbit?

Norton, Andrew; Dickinson, Hugh; McMaster, Adam; Middleton, Matthew and West, Richard (2022). A SuperWASP Light Curve Displaying a Single Long-duration Transit: A Jupiter Size Exoplanet in a Very Distant Orbit? Research Notes of the American Astronomical Society, 6(4), article no. 84.

DOI: https://doi.org/10.3847/2515-5172/ac6811

Abstract

We present the SuperWASP light curve of a 10th magnitude A7V star containing a single, well-defined U-shaped transit-like event lasting around 11 days with a depth of 1.1%. The star is otherwise non-variable throughout the 8 yr duration of the observations. If the event is modeled as an exoplanet transit, it is compatible with a 1.8 RJ exoplanet in a ∼205 au orbit with a period of ∼2200 yr.

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