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- W3028305235 abstract "Follow the big stars! I review the theory of detection and parameter measurement of planetary systems by follow-up observations of ongoing microlensing events. Two parameters can generically be measured from the event itself: the planet/star mass ratio, $q$, and the planet/star separation in units of the Einstein ring. I emphasize the advantages of monitoring events with giant-star sources which are brighter (thus easier to monitor) and bigger (thus offering the prospect of measuring an additional parameter from finite-source effects: the proper motion $mu$). There is potentially a strong degeneracy between $q$ and $mu$. I present a simple analytic representation of this degeneracy. I then describe how it can be broken using accurate single-band photometry from observatories around the world, or optical/infrared photometry from a single site, or preferably both. Both types of observations are underway or will be soon. Monitoring of giant-star events seen toward the bulge is also the best way to determine the content and structure of the inner Galaxy." @default.
- W3028305235 created "2020-05-29" @default.
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- W3028305235 date "1997-01-01" @default.
- W3028305235 modified "2023-09-26" @default.
- W3028305235 title "The Hollywood Strategy for Microlensing Detection of Planets." @default.
- W3028305235 hasPublicationYear "1997" @default.
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