Category Archives: Exoplanet Science

HPF discovers a warm super Neptune – TOI-1728b

The Discovery A component of HPF’s on-sky time is used to follow up on potential planets discovered by NASA’s Transiting Exoplanet Survey Satellite (TESS), launched in 2018. TESS is nominally a 2-year mission designed to conduct an all-sky survey to … Continue reading

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Eternal spotshine of the spinning red suns

Introduction Much of our time on sky with HPF is dedicated to discovering exoplanets, and measuring their detailed properties.  To do this, we concentrate our efforts on older, magnetically quiet stars to minimize noise and make the planets easier to … Continue reading

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Measuring Exoplanet Atmospheres with HPF

Introduction: Transmission Spectroscopy As we have covered in previous posts, HPF was designed and built for the goal of detecting exoplanets through the Doppler motion of their host stars.  Of course, there are other astrophysics experiments that can take advantage … Continue reading

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