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Related papers: Asteroid thermophysical modeling

200 papers

The analysis of transiting extra-solar planets provides an enormous amount of information about the formation and evolution of planetary systems. A precise knowledge of the host stars is necessary to derive the planetary properties…

Solar and Stellar Astrophysics · Physics 2015-05-14 M. Ammler-von Eiff , N. C. Santos , S. G. Sousa , J. Fernandes , T. Guillot , G. Israelian , M. Mayor , C. Melo

Thanks to the Gaia mission, it will be possible to determine the masses of approximately hundreds of large main belt asteroids with very good precision. We currently have diameter estimates for all of them that can be used to compute their…

Giant stars, and especially C-rich giants, contribute significantly to the chemical enrichment of galaxies. The determination of precise parameters for these stars is a necessary prerequisite for a proper implementation of this evolutionary…

Solar and Stellar Astrophysics · Physics 2015-05-28 C. Paladini , G. T. van Belle , B. Aringer , J. Hron , P. Reegen , C. J. Davis , T. Lebzelter

Context: Large all-sky surveys provide us with a lot of photometric data that are sparse in time (typically few measurements per night) and can be potentially used for the determination of shapes and rotational states of asteroids. The…

Earth and Planetary Astrophysics · Physics 2016-11-30 Helena Cibulková , Josef Ďurech , David Vokrouhlický , Mikko Kaasalainen , Dagmara A. Oszkiewicz

Data on thermal absorptivity and emissivity are important for calculations of heat flows in cryogenic devices. Although thermal radiative properties of materials used in cryogenics are measured, published and used for more than sixty years…

Materials Science · Physics 2020-06-11 Tomas Kralik , Pavel Hanzelka , Vera Musilova , Ales Srnka

The near-Earth asteroid (3200) Phaethon is an intriguing object: its perihelion is at only 0.14 au and is associated with the Geminid meteor stream. We aim to use all available disk-integrated optical data to derive a reliable convex shape…

Yearslong time series of high-precision brightness measurements have been assembled for thousands of stars with telescopes operating in space. Such data have allowed astronomers to measure the physics of stellar interiors via nonradial…

Solar and Stellar Astrophysics · Physics 2021-01-27 C. Aerts

The discovery of protoplanets and circumplanetary disks provides a unique opportunity to characterize planet formation through observations. Massive protoplanets shape the physical and chemical structure of their host circumstellar disk by…

Earth and Planetary Astrophysics · Physics 2024-04-15 Felipe Alarcón , Edwin Bergin

The availability of asteroseismic constraints for a large sample of stars from the missions CoRoT and Kepler paves the way for various statistical studies of the seismic properties of stellar populations. In this paper, we evaluate the…

Solar and Stellar Astrophysics · Physics 2016-03-02 N. Lagarde , T. Decressin , C. Charbonnel , P. Eggenberger , S. Ekström , A. Palacios

The physical composition and structure of meteoroids gives us insight into the formation processes of their parent asteroids and comets. The strength of and fundamental grain sizes in meteoroids tell us about the environment in which small…

Earth and Planetary Astrophysics · Physics 2019-04-10 Margaret D. Campbell-Brown

Thermal history models, that have been used to understand the geological history of Earth, are now being coupled to climate models to map conditions that allow planets to maintain surface water over geologic time - a criteria considered…

Earth and Planetary Astrophysics · Physics 2020-01-08 Johnny Seales , Adrian Lenardic , William Moore

Precise measurements of the fundamental properties of low-mass stars and brown dwarfs are key to understanding the physics underlying their formation and evolution. While there has been great progress over the last decade in studying the…

The study of stellar oscillations - asteroseismology - has revolutionized our understanding of the physical properties of the Sun, and similar potential for other stars has been demonstrated in recent years. In particular, asteroseismic…

Astrophysics · Physics 2007-05-23 D. Stello , H. Kjeldsen , T. R. Bedding

Thermal measurements constrain the physical properties of icy satellite surfaces, including grain size, porosity, and regolith structure. On Europa, analyses of the Galileo Photopolarimeter-Radiometer (PPR) dataset revealed thermal inertia…

Earth and Planetary Astrophysics · Physics 2026-04-17 L. Lange , S. Piqueux , P. O. Hayne , C. Mergny , A. Le Gall , F. Schmidt , J. Rathbun , J. Spencer , K. Sorli , S. Howes , C. Howett , C. S. Edwards , P. R. Christensen

The thermal conductivity of nanometric objects or nanostructured materials can be determined using non equilibrium molecular dynamics (NEMD) simulations. The technique is simple in its principle, and resembles a numerical guarded hot plate…

Materials Science · Physics 2007-05-23 Patrice Chantrenne , Jean-Louis Barrat

Surface temperature distribution is crucial for thermal property-based studies about irregular asteroids in our Solar System. While direct numerical simulations could model surface temperatures with high fidelity, they often take a…

Earth and Planetary Astrophysics · Physics 2024-11-06 Shunjing Zhao , Hanlun Lei , Xian Shi

Since the first discovery of an extra-solar planet around a main-sequence star, in 1995, the number of detected exoplanets has increased enormously. Over the past two decades, observational instruments (both onboard and on ground-based…

Earth and Planetary Astrophysics · Physics 2022-01-26 Gloria Guilluy , Alessandro Sozzetti , Paolo Giacobbe , Aldo S. Bonomo , Giuseppina Micela

Thermonuclear (type-I) bursts arise from unstable ignition of accumulated fuel on the surface of neutron stars in low-mass X-ray binaries. Measurements of burst properties in principle enable observers to infer the properties of the host…

High Energy Astrophysical Phenomena · Physics 2022-12-07 D. K. Galloway , Z. Johnston , A. J. Goodwin , C. -C. He

White dwarfs which exhibit transit signatures of planetary debris and accreted planetary material provide exceptional opportunities to probe the material composition and dynamical structure of planetary systems. Although previous…

Earth and Planetary Astrophysics · Physics 2021-07-14 Catriona H. McDonald , Dimitri Veras

The atmosphere of a brown dwarf or extrasolar giant planet controls the spectrum of radiation emitted by the object and regulates its cooling over time. While the study of these atmospheres has been informed by decades of experience…

Earth and Planetary Astrophysics · Physics 2015-09-23 Mark S. Marley , Tyler D. Robinson