Category Archives: Stellar Science

A Search for Planetary Helium Absorption in the V1298 Tau System

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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A very stealthy alias: the impostor planet of Barnard’s star

Introduction One of the signature targets of HPF’s search for nearby exoplanets is Barnard’s star, the second-closest star system to our own Solar system.  Barnard’s star made the news in late 2018, when the CARMENES team announced the discovery of … Continue reading

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The Mysterious Blue Ring Nebula Uncovered

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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