Mass–Radius Relationships and Contraction of Condensed Planets by Cooling or Despinning

Autor: Yanick Ricard, Frédéric Chambat

Publikováno v: The Astrophysical Journal, Vol 967, Iss 2, p 163 (2024)

Condensed planets contract or expand as their temperature changes. With the exception of the effect of phase changes, this phenomenon is generally interpreted as being solely related to the thermal expansivity of the planet’s components. However, c

Externí odkaz: https://doaj.org/article/6f348ed569ce49ceab6276a0e7754be5

Equilibrium Shapes of Large Trans-Neptunian Objects

Autor: Nicolas Rambaux, Daniel Baguet, Frédéric Chambat, Julie Castillo-Rogez

Publikováno v: The Astrophysical journal letters
The Astrophysical journal letters, 2017, 850 (1), pp.L9. ⟨10.3847/2041-8213/aa95bd⟩
The Astrophysical journal letters, Bristol : IOP Publishing, 2017, 850 (1), pp.L9. ⟨10.3847/2041-8213/aa95bd⟩

International audience; The large transneptunian objects (TNO) with radii larger than 400 km are thought to be in hydrostatic equilibrium. Their shapes can bring clues on their internal structures that would reveal information on their formation and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0876d5ae985f25893d4f89f56aa9c08d
https://hal.sorbonne-universite.fr/hal-01662024/document

Third-order development of shape, gravity, and moment of inertia for highly flattened celestial bodies. Application to Ceres

Autor: Nicolas Rambaux, Frédéric Chambat, Julie Castillo-Rogez

Publikováno v: Astronomy & Astrophysics
Astronomy & Astrophysics, 2015, 584, ⟨10.1051/0004-6361/201527005⟩
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2015, 584, ⟨10.1051/0004-6361/201527005⟩

International audience; Context. We investigate the hydrostatic shape and gravitational potential coefficients of self-gravitating and rotating bodies large enough to have undergone internal differentiation and chemical stratification. Quantifying th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37befb0dfea88a1fef7a9c952515d5c4
https://hal-univ-lyon1.archives-ouvertes.fr/hal-02340928/file/aa27005-15.pdf

Is there seismic attenuation in the mantle?

Autor: Frédéric Chambat, Jean-Paul Montagner, Stéphanie Durand, Yanick Ricard

Publikováno v: Earth and Planetary Science Letters
Earth and Planetary Science Letters, Elsevier, 2014, 388, pp.257-264. ⟨10.1016/j.epsl.2013.12.008⟩
Earth and Planetary Science Letters, Elsevier, 2014, 388, pp. 257--264. ⟨10.1016/j.epsl.2013.12.008.⟩
Earth and Planetary Science Letters, 2014, 388, pp. 257--264. ⟨10.1016/j.epsl.2013.12.008⟩

International audience; The small scale heterogeneity of the mantle is mostly due to the mixing of petrological heterogeneities by a smooth but chaotic convection and should consist in a laminated structure (marble cake) with a power spectrum S(k) va

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e5d8e6cfb755921ecb488085470125d
https://hal.archives-ouvertes.fr/hal-02944834/document

Earth gravity up to second order in topography and density

Autor: Frédéric Chambat, Bernard Valette

Publikováno v: Physics of the Earth and Planetary Interiors
Physics of the Earth and Planetary Interiors, Elsevier, 2005, 151 (1-2), pp.89-106. ⟨10.1016/j.pepi.2005.01.002⟩
Physics of the Earth and Planetary Interiors, 2005, 151 (1-2), pp.89-106. ⟨10.1016/j.pepi.2005.01.002⟩
Physics of the Earth and Planetary Interiors, Elsevier, 2005, 151, pp.89-106. ⟨10.1016/j.pepi.2005.01.002⟩
Physics of the Earth and Planetary Interiors, 2005, 151, pp.89-106. ⟨10.1016/j.pepi.2005.01.002⟩

International audience; The previous termgravitynext term potential of a planet is usually expanded previous termupnext term to first previous termordernext term only as a linear function of previous termtopographynext term and lateral variations of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e07a4fa8b26713bd473d8ece3129904
https://hal-insu.archives-ouvertes.fr/insu-00271517