2026-09-19T22:58:49Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/1141022022-01-13T07:53:59Zcom_1721.1_7582com_1721.1_7581col_1721.1_131024
Amanda Bosh.
Mansfield, Megan (Megan L.)
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences.
Massachusetts Institute of Technology. Department of Earth, Atmospheric, and Planetary Sciences
zpl----
2018-03-12T19:29:58Z
2018-03-12T19:29:58Z
2016
2016
http://hdl.handle.net/1721.1/114102
1027221036
Thesis: S.B., Massachusetts Institute of Technology, Department of Earth, Atmospheric, and Planetary Sciences, 2016.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 65-66).
Changes in the volatile distribution on Pluto's surface and in its atmosphere are expected to occur over its orbital path due to varying surface insolation[14]. To investigate these changes, a model was created to synthesize light curves of Pluto, given the viewing geometry and surface albedo distribution. Using an initial surface albedo distribution based on images taken by New Horizons, changes in the light curve mean magnitudes and amplitudes over time were compared to the smallest magnitude changes detectable by a variety of telescopes. The model predicts that yearly observations on a large ground-based telescope, such as the 6.5-meter Magellan telescopes, could observe magnitude changes due to both changes in viewing geometry and surface albedo changes. The model can be compared to future observations to estimate how much surface albedo change is necessary to produce the observed light curves, and can therefore be used to link observational data to physical changes on Pluto's surface and the methods of volatile transport responsible for those changes.
by Megan Mansfield.
S.B.
66 pages
eng
Massachusetts Institute of Technology
MIT theses are protected by copyright. They may be viewed, downloaded, or printed from this source but further reproduction or distribution in any format is prohibited without written permission.
http://dspace.mit.edu/handle/1721.1/7582
Earth, Atmospheric, and Planetary Sciences.
Analysis of Pluto's light curve to detect volatile transport
Thesis
application/pdf
Publication
unknown
unknown
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<Abstract>Changes in the volatile distribution on Pluto's surface and in its atmosphere are expected to occur over its orbital path due to varying surface insolation[14]. To investigate these changes, a model was created to synthesize light curves of Pluto, given the viewing geometry and surface albedo distribution. Using an initial surface albedo distribution based on images taken by New Horizons, changes in the light curve mean magnitudes and amplitudes over time were compared to the smallest magnitude changes detectable by a variety of telescopes. The model predicts that yearly observations on a large ground-based telescope, such as the 6.5-meter Magellan telescopes, could observe magnitude changes due to both changes in viewing geometry and surface albedo changes. The model can be compared to future observations to estimate how much surface albedo change is necessary to produce the observed light curves, and can therefore be used to link observational data to physical changes on Pluto's surface and the methods of volatile transport responsible for those changes.</Abstract>
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