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Observational Constraints on the Formation and Evolution of Neptune-Class Exoplanets

Deleuil, M and Pollacco, D. and Baruteau, C. and Rauer, Heike and Blanc, M. (2020) Observational Constraints on the Formation and Evolution of Neptune-Class Exoplanets. Space Science Reviews, 216 (6), p. 105. Springer. doi: 10.1007/s11214-020-00726-2. ISSN 0038-6308.

[img] PDF - Preprint version (submitted draft)

Official URL: https://link.springer.com/article/10.1007%2Fs11214-020-00726-2


Among exoplanets, the small-size population constitutes the dominant one, with a diversity of properties and compositions ranging from rocky to gas dominated envelope. While a large fraction of them have masses and radii similar to or smaller than Neptune, yet none share common properties in term of orbital period and insulation with our ice giants. These exoplanets belong to multi-planet systems where planets are closely packed within the first tenth of AU and often exposed to strong irradiation from their host star. Their formation process, subsequent evolution, and fate are still debated and trigger new developments of planet formation models. This paper reviews the characteristics and properties of this extended sample of planets with radii between ∼1.6 and 4.0 R⊕. Even though we still lack real Neptune/Uranus analogues, these exoplanets provide us with key observational constraints that allow the formation of our ice giants to be placed in a more general framework than the sole example of our solar system.

Item URL in elib:https://elib.dlr.de/148000/
Document Type:Article
Title:Observational Constraints on the Formation and Evolution of Neptune-Class Exoplanets
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Deleuil, MLaboratoire d'Astrophysique de MarseilleUNSPECIFIEDUNSPECIFIED
Pollacco, D.Department of Physics, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UK; Centre for Exoplanets and Habitability, University of Warwick, Gibbet Hill Road, Coventry, CV4 7AL, UKUNSPECIFIEDUNSPECIFIED
Baruteau, C.IRAP, Université de Toulouse, CNRS, UPS, 31400, Toulouse, FranceUNSPECIFIEDUNSPECIFIED
Rauer, HeikeUNSPECIFIEDhttps://orcid.org/0000-0002-6510-1828UNSPECIFIED
Blanc, M.IRAP - Observatoire Midi-Pyrénées, FranceUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Space Science Reviews
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:p. 105
Keywords:Exoplanetary systems; Planetary formation; Neptune; Uranus; Astrophysics - Earth and Planetary Astrophysics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Project PLATO - PMC and Science
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Leitungsbereich PF
Deposited By: Cabrera Perez, Juan
Deposited On:06 Jan 2022 08:44
Last Modified:06 Jan 2022 08:44

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