Tag Archives: hpf

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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A Search for Planetary Helium Absorption in the V1298 Tau System

Posted on August 13, 2021 by Gudmundur Kari Stefansson

Introduction Understanding how planets form and evolve is one of the fundamental topics of research in exoplanet science. How do planets and their atmospheres form? What are their atmospheres composed of, and how do they evolve with time? The current … Continue reading →

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The Mysterious Blue Ring Nebula Uncovered

Posted on November 18, 2020 by Gudmundur Kari Stefansson

The Blue Ring Nebula is a rare and peculiar object composed of gas expanding from a central star, and is the subject of the most recent paper involving data from HPF. The Blue Ring Nebula (Figure 1) was originally discovered … Continue reading →

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