Critical-Curve Topologies of Triple Gravitational Lenses

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10291410" target="_blank" >RIV/00216208:11320/14:10291410 - isvavai.cz</a>

Výsledek na webu

<a href="http://link.springer.com/chapter/10.1007%2F978-3-319-06761-2_58" target="_blank" >http://link.springer.com/chapter/10.1007%2F978-3-319-06761-2_58</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/978-3-319-06761-2_58" target="_blank" >10.1007/978-3-319-06761-2_58</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Critical-Curve Topologies of Triple Gravitational Lenses

Popis výsledku v původním jazyce

An extrasolar analog of the Sun-Jupiter-Saturn system has been discovered recently by detecting its gravitational microlensing action on the flux from a background star. More generally, however, gravitational lensing by a system of three bodies has not yet been satisfactorily analyzed theoretically. Correct interpretation of microlensing light curves requires an understanding of the geometry of the underlying lens caustic and critical curves. These curves correspond to source positions and image positions, respectively, with infinite point-source-flux amplification. Following the pioneering Erdl and Schneider analysis of the parameter dependence of binary lensing, we extend their approach to special cases of the triple lens. While the binary lens is characterized by two parameters, three more parameters are needed to describe the triple lens. We present here an example of a three-dimensional cut through the five-dimensional parameter space, identifying the boundaries of regions with di

Název v anglickém jazyce

Critical-Curve Topologies of Triple Gravitational Lenses

Popis výsledku anglicky

An extrasolar analog of the Sun-Jupiter-Saturn system has been discovered recently by detecting its gravitational microlensing action on the flux from a background star. More generally, however, gravitational lensing by a system of three bodies has not yet been satisfactorily analyzed theoretically. Correct interpretation of microlensing light curves requires an understanding of the geometry of the underlying lens caustic and critical curves. These curves correspond to source positions and image positions, respectively, with infinite point-source-flux amplification. Following the pioneering Erdl and Schneider analysis of the parameter dependence of binary lensing, we extend their approach to special cases of the triple lens. While the binary lens is characterized by two parameters, three more parameters are needed to describe the triple lens. We present here an example of a three-dimensional cut through the five-dimensional parameter space, identifying the boundaries of regions with di

Druh

D - Stať ve sborníku

CEP obor

BE - Teoretická fyzika

OECD FORD obor

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Projekt

<a href="/cs/project/GAP209%2F10%2F1318" target="_blank" >GAP209/10/1318: Kaustiky gravitačních čoček a nebodové zdroje</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Relativity and Gravitation: 100 Years After Einstein in Prague

ISBN

978-3-319-06760-5

ISSN

0930-8989

e-ISSN

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Počet stran výsledku

4

Strana od-do

423-426

Název nakladatele

Springer

Místo vydání

Cham

Místo konání akce

Prague, Czech Republic

Datum konání akce

25. 6. 2012

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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