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Constraining the QSO luminosity function using gravitational lensing statistics

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dc.contributor.advisor Scott Burles. en_US
dc.contributor.author Fakhouri, Onsi Joe, 1983- en_US
dc.contributor.other Massachusetts Institute of Technology. Dept. of Mathematics. en_US
dc.date.accessioned 2006-05-15T20:26:09Z
dc.date.available 2006-05-15T20:26:09Z
dc.date.copyright 2004 en_US
dc.date.issued 2004 en_US
dc.identifier.uri http://hdl.handle.net/1721.1/32733
dc.description Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics; and, (S.B.)--Massachusetts Institute of Technology, Dept. of Mathematics, 2004. en_US
dc.description Includes bibliographical references (leaves 85-87). en_US
dc.description.abstract In this thesis we use gravitational lensing statistics to constrain the QSO luminosity function at a variety of redshifts. We present a theoretical discussion of gravitational lensing statistics and illustrate how high resolution QSO imagery can be used to constrain the QSO luminosity function. We then discuss the selection and observation of the 1073 QSO exposures in our sample. The sample covers a redshift range of 0.7<z<5.5 and may include up to 10 multiply imaged QSOs. We discuss the QSO analysis pipeline developed to compute the gravitational lensing probabilities of each QSO and then present the constraints on the QSO luminosity function and compare them to results in the literature. Our results confirm the suspected fall off in the high-end QSO luminosity function slope at high redshift and agree with modern literature results. We conclude with a brief discussion of improvements that can be made to our analysis process. en_US
dc.description.statementofresponsibility by Onsi Joe Fakhouri. en_US
dc.format.extent 87 leaves en_US
dc.format.extent 4673795 bytes
dc.format.extent 4677885 bytes
dc.format.mimetype application/pdf
dc.format.mimetype application/pdf
dc.language.iso eng en_US
dc.publisher Massachusetts Institute of Technology en_US
dc.rights M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. en_US
dc.rights.uri http://dspace.mit.edu/handle/1721.1/7582
dc.subject Physics. en_US
dc.subject Mathematics. en_US
dc.title Constraining the QSO luminosity function using gravitational lensing statistics en_US
dc.title.alternative Constraining the Quasi-Stellar Object luminosity function using gravitational lensing statistics en_US
dc.type Thesis en_US
dc.description.degree S.B. en_US
dc.contributor.department Massachusetts Institute of Technology. Dept. of Physics. en_US
dc.contributor.department Massachusetts Institute of Technology. Dept. of Mathematics. en_US
dc.identifier.oclc 56728351 en_US


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