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A method for direct testing of hydrostatic equilibrium in exopanet interiors

Hellard, Hugo and Csizmadia, Szilard and Smith, Alexis and Rauer, H (2019) A method for direct testing of hydrostatic equilibrium in exopanet interiors. EPSC-DPS Joint Meeting 2019, September 2019, Geneva, Switzerland.

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Abstract

The characterization of the interior of exoplanets will unveil precious information on their formation, structure and evolution. The Love numbers h2 and k2, which describe the planet's response to external perturbations, contain information on the radial density distribution and other interior parameters (e.g. viscosity). In the case of hydrostatic equilibrium, we simply have h2=1+k2. We summarize how one can measure h2 from transit observations and k2 from periastron precession in eccentric orbits, hence providing a direct test for hydrostatic equilibrium in exoplanet interiors.

Item URL in elib:https://elib.dlr.de/131802/
Document Type:Conference or Workshop Item (Speech)
Title:A method for direct testing of hydrostatic equilibrium in exopanet interiors
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Hellard, HugoHugo.Hellard (at) dlr.deUNSPECIFIED
Csizmadia, Szilardszilard.csizmadia (at) dlr.deUNSPECIFIED
Smith, AlexisAlexis.Smith (at) dlr.deUNSPECIFIED
Rauer, Hheiker.rauer (at) dlr.deUNSPECIFIED
Date:2019
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:exoplanets exoplanet interiors Love number
Event Title:EPSC-DPS Joint Meeting 2019
Event Location:Geneva, Switzerland
Event Type:international Conference
Event Dates:September 2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Projekt COROT Beteiligung
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Extrasolar Planets and Atmospheres
Institute of Planetary Research > Leitungsbereich PF
Deposited By: Csizmadia, Szilard
Deposited On:02 Dec 2019 11:41
Last Modified:06 Feb 2020 10:54

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