A systematic periodicity and time-variable modulation search in RXTE ASM data : methods, findings, and implications for astrophysical X-ray sources
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2007.
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| Format: | Thesis |
| Language: | eng |
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Massachusetts Institute of Technology
2008
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| Online Access: | http://hdl.handle.net/1721.1/40898 |
| _version_ | 1811089566854021120 |
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| author | Harris, Robert J., S.M. Massachusetts Institute of Technology |
| author2 | Alan M. Levine. |
| author_facet | Alan M. Levine. Harris, Robert J., S.M. Massachusetts Institute of Technology |
| author_sort | Harris, Robert J., S.M. Massachusetts Institute of Technology |
| collection | MIT |
| description | Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2007. |
| first_indexed | 2024-09-23T14:21:14Z |
| format | Thesis |
| id | mit-1721.1/40898 |
| institution | Massachusetts Institute of Technology |
| language | eng |
| last_indexed | 2024-09-23T14:21:14Z |
| publishDate | 2008 |
| publisher | Massachusetts Institute of Technology |
| record_format | dspace |
| spelling | mit-1721.1/408982019-04-12T09:15:16Z A systematic periodicity and time-variable modulation search in RXTE ASM data : methods, findings, and implications for astrophysical X-ray sources Harris, Robert J., S.M. Massachusetts Institute of Technology Alan M. Levine. Massachusetts Institute of Technology. Dept. of Physics. Massachusetts Institute of Technology. Dept. of Physics. Physics. Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2007. Includes bibliographical references (p. 99-106). In this work, we present the results of a general search for periodicities and for time-variable modulation strength in X-ray sources using data from the All-Sky Monitor onboard the Rossi X-ray Timing Explorer. New findings, including a sharp increase in the modulation of the X-ray flux from the Galactic bulge low-mass X-ray binary GX 9+9 and the recent spin-down event of the pulsar in the high-mass X-ray binary X0114+650, are reported. These searches employed new methods of periodicity detection that employed an algorithm to reduce the effects of low frequency noise from X-ray sources. We discuss these methods and show how they can be used to enhance the signal-to-noise ratio in the Fourier domain for many sources. by Robert J. Harris. S.B. 2008-03-27T18:21:00Z 2008-03-27T18:21:00Z 2007 2007 Thesis http://hdl.handle.net/1721.1/40898 197093860 eng 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 106 p. application/pdf Massachusetts Institute of Technology |
| spellingShingle | Physics. Harris, Robert J., S.M. Massachusetts Institute of Technology A systematic periodicity and time-variable modulation search in RXTE ASM data : methods, findings, and implications for astrophysical X-ray sources |
| title | A systematic periodicity and time-variable modulation search in RXTE ASM data : methods, findings, and implications for astrophysical X-ray sources |
| title_full | A systematic periodicity and time-variable modulation search in RXTE ASM data : methods, findings, and implications for astrophysical X-ray sources |
| title_fullStr | A systematic periodicity and time-variable modulation search in RXTE ASM data : methods, findings, and implications for astrophysical X-ray sources |
| title_full_unstemmed | A systematic periodicity and time-variable modulation search in RXTE ASM data : methods, findings, and implications for astrophysical X-ray sources |
| title_short | A systematic periodicity and time-variable modulation search in RXTE ASM data : methods, findings, and implications for astrophysical X-ray sources |
| title_sort | systematic periodicity and time variable modulation search in rxte asm data methods findings and implications for astrophysical x ray sources |
| topic | Physics. |
| url | http://hdl.handle.net/1721.1/40898 |
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