Introduction to Gravitational Microlensing

Shude Mao

Introduction to Gravitational Microlensing

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arxiv 0811.0441 v1 pith:YIAD6OWW submitted 2008-11-04 astro-ph

Shude Mao This is my paper

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keywords gravitationalmicrolensingthenbasicchallengesconceptsdepthderive

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The basic concepts of gravitational microlensing are introduced. We start with the lens equation, and then derive the image positions and magnifications. The statistical quantities of optical depth and event rate are then described. We finish with a summary and a list of challenges and open questions. A problem set is given for students to practice.

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Spectral Microlensing of Extragalactic H II Regions by Stellar-Mass Black Holes
astro-ph.GA 2026-08 conditional novelty 6.0 of 10

Microlensing of compact extragalactic H II regions by Milky Way black holes could produce detectable line excesses, but the expected event rate is only about 10^-6 per year.

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