Inferno Worlds

Leiden Repository

Inferno Worlds

Type: Doctoral Thesis
Title: Inferno Worlds
Author: Ridden, - Harper A.
Issue Date: 2018-11-21
Keywords: Exoplanets
Extra solar planets
Rocky planets
Terrestrial planets
Disintegrating planets
Evaporating planets
High resolution spectroscopy
55 Cancri e
Kepler 1520b
K2 22b
Abstract: A remarkable population of short period transiting rocky exoplanets with equilibrium temperatures on the order of 2,000 K has recently been discovered. Their high temperatures make them very different to the planets in our solar system. In particular, hot super-Earths are thought to have mineral atmospheres that are produced by the vaporisation of their surfaces, or large exospheres that are produced by sputtering of their exposed surfaces by intense stellar winds. Additionally, some smaller, low surface gravity hot rocky exoplanets have been found to be actively disintegrating and forming 'comet-like' dust tails that produce asymmetric transit light curves with forward scattering features. Since the gas and dust originates from the planetary surface, these planets offer the tantalising prospect of enabling us to probe the surface composition of rocky planets. The purpose of this thesis is to work towards this goal by searching for gas around hot rocky exoplanets with observational spectroscopy (Chapters 2 and 5), and by modelling the transit light curves produced by their 'comet-like' dust tails (Chapters 3 and 4).
Promotor: Supervisor: Snellen I.A.G., Keller C.U.
Faculty: Faculty of Science
University: Leiden University
Uri: urn:isbn:9789463233965
Handle: http://hdl.handle.net/1887/67080
 

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application/pdf Chapter 5 1.083Mb View/Open
application/pdf Summary in Dutch 276.6Kb View/Open
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application/pdf Curriculum Vita ... lications_Acknowledgements 158.4Kb View/Open
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