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Testing a novel method to map the 3D distribution of gas clouds in intergalactic space

Author(s)
Bardalez Gagliuffi, Daniella C
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Massachusetts Institute of Technology. Dept. of Physics.
Advisor
Robert Simcoe.
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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. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
We propose a new method to detect intergalactic Lyman a emitter and absorber systems by comparing broadband and narrowband images. The narrowband observations were carried out with the Maryland-Magellan Tunable Filter (MMTF) at central wavelengths of 5120A and 5140A and pointing to the Chandra Deep field South. The broadband images were obtained through the European Southern Observatory public database. Catalogues of galaxies were constructed from all images, taking the R broadband as a reference for locating objects. Via color-color and color-magniude diagrams, and taking the Steidel et al. color selection criteria as a reference, we were able to identify numerous Ly a emission and absorption candidates. This serves as a proof of concept that narrowband absorption could be used to mao the distribution of Lyman limit systems in 3D.
Description
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, June 2011.
 
"June 2010." Cataloged from PDF version of thesis.
 
Includes bibliographical references (p. 45-46).
 
Date issued
2011
URI
http://hdl.handle.net/1721.1/65527
Department
Massachusetts Institute of Technology. Department of Physics
Publisher
Massachusetts Institute of Technology
Keywords
Physics.

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