Category Archives: Exoplanet Science

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 →

Posted in Exoplanet Science, HPF Science | Tagged , , | Comments Off on TOI-3785 b: A Low-Density Neptune Orbiting an M-dwarf Star

New Science, and a History Lesson: a Giant Planet Orbiting Gliese 463

Posted on June 15, 2023 by Paul M Robertson

Introduction: the HET/HRS M dwarf Survey HPF is the latest and greatest in Doppler searches for exoplanets orbiting the Galaxy’s smallest stars, but it is certainly not the first, even at Texas’ McDonald Observatory.  Before HPF came on sky, astronomers … Continue reading →

Posted in Exoplanet Science | Comments Off on New Science, and a History Lesson: a Giant Planet Orbiting Gliese 463

The Unusual Transit of TOI-3884b: A Pole-Spot Crossing Super-Neptune

Posted on May 16, 2023 by Jessica Libby-Roberts

The TESS Mission For the past five years, NASA’s Transiting Exoplanet Survey Satellite (TESS) has surveyed the sky searching for new planets orbiting our closest stellar companions. To accomplish this colossal task, this satellite stares at hundreds of thousands of … Continue reading →

Posted in Exoplanet Science, HPF Science | Tagged , | Comments Off on The Unusual Transit of TOI-3884b: A Pole-Spot Crossing Super-Neptune