Modelling stochastic and quasi-periodic behaviour in stellar time-series: Gaussian process regression versus power-spectrum fitting

As the hunt for an Earth-like exoplanets has intensified in recent years, so has the effort to characterise and model the stellar signals that can hide or mimic small planetary signals. Stellar variability arises from a number of sources, including granulation, supergranulation, oscillations and act...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2024-06
Hauptverfasser:	O’Sullivan, Niamh K, Aigrain, Suzanne
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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