Article (Scientific journals)
Microlensing of Strongly Lensed Quasars
Vernardos, G.; Sluse, Dominique; Pooley, D. et al.
2024In Space Science Reviews, 220, p. 14
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Keywords :
Gravitational lensing: strong; Gravitational lensing: micro; Astrophysics - Astrophysics of Galaxies
Abstract :
[en] Strong gravitational lensing of quasars has the potential to unlock the poorly understood physics of these fascinating objects, as well as serve as a probe of the lensing mass distribution and of cosmological parameters. In particular, gravitational microlensing by compact bodies in the lensing galaxy can enable mapping of quasar structure to <10<SUP>−6</SUP> arcsec scales. Some of this potential has been realized over the past few decades, however the upcoming era of large sky surveys promises to bring this promise to full fruition. In this article, we review the theoretical framework of this field, describe the prominent current methods for parameter inference from quasar microlensing data across different observing modalities, and discuss the constraints so far derived on the geometry and physics of quasar inner structure. We also review the application of strong lensing and microlensing to constraining the granularity of the lens potential, i.e. the contribution of the baryonic and dark matter components, and the local mass distribution in the lens, i.e. the stellar mass function. Finally, we discuss the future of the field, including the new possibilities that will be opened by the next generation of large surveys and by new analysis methods now being developed.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Vernardos, G.;  Ecole Polytechnique Federale de Lausanne, Laboratoire d'Astrophysique, -, Lehman College, New York
Sluse, Dominique  ;  Université de Liège - ULiège > Département d'astrophysique, géophysique et océanographie (AGO) ; STAR Institute, Quartier Agora - Allée du six Aout 19c, B-4000, Liége, Belgium
Pooley, D.;  Trinity University, San Antonio, Texas, -
Schmidt, R. W.;  Astronomisches Rechen-Institut
Millon, M.;  Ecole Polytechnique Federale de Lausanne, Laboratoire d'Astrophysique, Kavli Institute for Particle Astrophysics and Cosmology, California, Kavli Institute for Particle Astrophysics and Cosmology, California
Weisenbach, L.;  Institute of Cosmology and Gravitation, University of Portsmouth, Dennis Sciama Building, Burnaby Road, PO1 3FX, Portsmouth, UK
Motta, V.;  Valparaiso University, Department of Physics and Astronomy
Anguita, T.;  Instituto de Astrofísica, Facultad de Ciencias Exactas, Universidad Andres Bello, Av. Fernandez Concha 700, Santiago, Las Condes, Chile, Millennium Institute of Astrophysics, Nuncio Monseñor Sótero Sanz 100, Santiago, Providencia, Chile, Millennium Institute of Astrophysics, Nuncio Monseñor Sótero Sanz 100, Santiago, Providencia, Chile
Saha, P.;  University of Zurich, Institute of Physics
O'Dowd, M.;  Department of Astrophysics, American Museum of Natural History, Central Park West and 79th Street, 10024, NY, USA, Department of Physics and Astronomy, Lehman College of the City University of New York, 10468, Bronx, NY, USA, The Graduate Center of the City University of New York, 365 Fifth Avenue, 10016, New York, NY, USA, Department of Physics and Astronomy, Lehman College of the City University of New York, 10468, Bronx, NY, USA, The Graduate Center of the City University of New York, 365 Fifth Avenue, 10016, New York, NY, USA
Peel, A.;  Ecole Polytechnique Federale de Lausanne, Laboratoire d'Astrophysique
Schechter, P. L.;  MIT, Department of Physics, MIT, Center for Space Research/Kavli Institute, MIT, Center for Space Research/Kavli Institute
Language :
English
Title :
Microlensing of Strongly Lensed Quasars
Publication date :
01 February 2024
Journal title :
Space Science Reviews
ISSN :
0038-6308
eISSN :
1572-9672
Publisher :
Kluwer Academic Publishers, Nl
Volume :
220
Pages :
14
Peer reviewed :
Peer Reviewed verified by ORBi
European Projects :
H2020 - 787886 - COSMICLENS - Cosmology with Strong Gravitational Lensing
Funders :
EU - European Union
Commentary :
Originally published in open access in Space Science Review https://link.springer.com/article/10.1007/s11214-024-01043-8
Available on ORBi :
since 09 August 2024

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