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Author Archives: Gudmundur Kari Stefansson
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
Posted in Exoplanet Science, HPF Science, Stellar Science
Tagged atmospheres, hpf
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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
Posted in HPF Science, Stellar Science
Tagged binary, blue ring nebula, hpf, merger
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G 9-40b: HPF’s first planet validation
HPF has validated its first planet called G 9-40b, a sub-Neptune sized planet (2 Earth radii) orbiting a nearby low mass M-dwarf star with an orbital period of 6 days. The paper has been published in the Astronomical Journal and … Continue reading
Posted in Uncategorized
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