2021
DOI: 10.48550/arxiv.2110.05751
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Sensitivity to habitable planets in the \textit{Roman} microlensing survey

Sedighe Sajadian

Abstract: We study the Roman sensitivity to exoplanets in the Habitable Zone (HZ). The Roman efficiency for detecting habitable planets is maximized for three classes of planetary microlensing events with close caustic topologies. (a) The events with the lens distances of D l 7 kpc, the host lens masses of M h 0.6M . By assuming Jupiter-mass planets in the HZs, these events have q 0.001 and d 0.17 (q is their mass ratio and d is the projected planet-host distance on the sky plane normalized to the Einstein radius). The … Show more

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