Category Archives: Exoplanet Science

HPF Discovers a Giant Exoplanet in a Highly Disturbed Orbit

Posted on July 17, 2024 by Paul M Robertson

A video showing the extreme orbit of TIC 241249530b.  As the planet makes its closest approach to the star, it becomes brighter due to the increase in incident stellar radiation.  Video credit: Abigail Minnich, Penn State University Today, the HPF … Continue reading →

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HPF Discovers a Close-In Neptune Orbiting a Very Low-Mass Star

Posted on November 30, 2023 by Paul M Robertson

Artist’s rendering of the Neptune-mass exoplanet orbiting the very low-mass star LHS 3154.  Video Credit: Abigail Minnich Introduction As the name implies, the Habitable-zone Planet Finder was designed primarily to search for Earthlike planets orbiting nearby stars.  Its sensitivity to … Continue reading →

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TOI-3785 b: A Low-Density Neptune Orbiting an M-dwarf Star

Posted on July 13, 2023 by Jessica Libby-Roberts

By Luke Powers The planet now known as TOI-3785 b was observed in 2019 by the Transiting Exoplanet Survey Satellite (TESS). TESS observed periodic dips in the star’s brightness (known as a transit) that occurred every 4.67 days. As TOI-3785 … Continue reading →

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