Identifying Close-in Jupiters that Arrived via Disk Migration: Evidence of Primordial Alignment, Preference of Nearby Companions and Hint of Runaway Migration

Two leading hypotheses for hot Jupiter migration are disk migration and high-eccentricity migration (HEM). Stellar obliquity is commonly used to distinguish them, as high obliquity often accompanies HEM. However, low obliquity does not guarantee disk migration, due to possible spin–orbit realignment...

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Detalhes bibliográficos

Principais autores:	Yugo Kawai, Akihiko Fukui, Noriharu Watanabe, Sho Fukazawa, Norio Narita
Formato:	Artigo
Idioma:	Inglês
Publicado em:	IOP Publishing 2025-01-01
Colecção:	The Astronomical Journal
Assuntos:	Extrasolar gaseous giant planets Tidal interaction Exoplanet migration Hot Jupiters Eccentricity Exoplanet tides
Acesso em linha:	https://doi.org/10.3847/1538-3881/ae0a11
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