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Gravitational microlensing

Gravitational microlensing is an astronomical phenomenon caused by the gravitational lens effect. It can be used to detect objects that range from the mass of a planet to the mass of a star, regardless of the light they emit. Typically, astronomers can only detect bright objects that emit much light (stars) or large objects that block background light…

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Overview

How it works

Observing microlensing

History

Mathematics

Extreme microlensing events

Detection of extrasolar planets

Microlensing experiments

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Gravitational microlensing

Nodes110
Edges109
Triples11
Avg. degree1.98
Density0.018182
Components1

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Gravitational microlensing

Top relations

is a · 1
Gravitational microlensing → astronomical phenomenon caused by the gravitational lens effect

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Important terminology

microlensing source lens events star mass event einstein light objects time two displaystyle planet stars lensing images used parallax needed

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Gravitational microlensingis aastronomical phenomenon caused by the gravitational lens effect0.90text
brown dwarfsinstance ofIt enables the study of the population of faint or dark objects0.80text
red dwarfsinstance ofIt enables the study of the population of faint or dark objects0.80text
planetsinstance ofIt enables the study of the population of faint or dark objects0.80text
white dwarfsinstance ofIt enables the study of the population of faint or dark objects0.80text
neutron starsinstance ofIt enables the study of the population of faint or dark objects0.80text
black holesinstance ofIt enables the study of the population of faint or dark objects0.80text
and massive compact halo objectsinstance ofIt enables the study of the population of faint or dark objects0.80text
the Hubble Space Telescopeinstance ofthat the displacement of light by the lens can be resolved with a high resolution telescope0.80text
the transit methodinstance ofwas reported.Comparing this method of detecting extrasolar planets with other techniques0.80text
one advantage is that the intensity of the planetary deviation does not depend on the planet mass as strongly as effects in other techniques doinstance ofwas reported.Comparing this method of detecting extrasolar planets with other techniques0.80text

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