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MOA 2010-BLG-477Lb: Constraining the mass of a microlensing planet from microlensing parallax, orbital motion, and detection of blended light

Bachelet, E.; Shin, I.-G.; Han, C.; Fouque, P.; Gould, A.; Menzies, J. W.; Udalski, A.; Guillot, T.; Nataf, David; Sahu, K. C.; Coutures, C.; Kubas, D.; Martin, R.; Williams, Andrew; Kubiak, M.


Microlensing detections of cool planets are important for the construction of an unbiased sample to estimate the frequency of planets beyond the snow line, which is where giant planets are thought to form according to the core accretion theory of planet formation. In this paper, we report the discovery of a giant planet detected from the analysis of the light curve of a high-magnification microlensing event MOA 2010-BLG-477. The measured planet-star mass ratio is q = (2.181 ± 0.004) × 10 -3 and...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/754/1/73


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