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Collaborative Research: Explaining the Orbits of Eccentric Warm Jupiters — NSF Award to Indiana University (IN, $300,202)

The orbits of planetary systems hold clues about their origins. Gas giants like Jupiter are thought to form on circular orbits far from stars. However, exoplanets with large eccentricity abound, and the “hot Jupiter” class have orbital periods of just a few days. In some cases, extremely eccentric planets may approach

Award titleCollaborative Research: Explaining the Orbits of Eccentric Warm Jupiters
Award ID2511257
AwardeeIndiana University
CityBLOOMINGTON
StateIN
Amount obligated$300,202
Principal investigatorCristobal Petrovich
ProgramPLANETARY ASTRONOMY
Start date09/01/2025
AbstractThe orbits of planetary systems hold clues about their origins. Gas giants like Jupiter are thought to form on circular orbits far from stars. However, exoplanets with large eccentricity abound, and the “hot Jupiter” class have orbital periods of just a few days. In some cases, extremely eccentric planets may approach their stars, where tidal forces deform them, dissipate energy, and ultimately circularize their orbits—a hypothesis known as high-eccentricity migration (HEM), which is the likely
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