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Yeah, but the Kepler observatory has looked for exoplanet transits for many years now and found over 1000.

You have to assume it has examined this close neighbor thoroughly.

Actually this star is not in the Kepler Field, and it is also too bright for Kepler. Even most ground based telescopes looking for transits probably haven't bothered looking at it, due to its brightness.

Thanks, I had no idea Kepler was under these constraints.

I'd expect it's easier to measure at the brighter stars. Maybe calibrating the instrument for the weaker stars makes it "overload" for a really bright ones?

You're in for a treat, "Kepler 2.0" launches next year: https://tess.gsfc.nasa.gov/overview.html

Kepler has only focused on two tiny patches of the sky in its lifetime IIRC.

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