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We present a systematic phase curve analysis of known transiting systems observed by the Transiting Exoplanet Survey Satellite (TESS) during year one of the primary mission. Using theoretical predictions for the amplitude of the planetary…

We present an image classification algorithm using deep learning convolutional neural network architecture, which classifies the morphologies of eclipsing binary systems based on their light curves. The algorithm trains the machine with…

Solar and Stellar Astrophysics · Physics 2023-06-06 Burak Ulas

The fine precision of photometric data available from missions like Kepler provide researchers with the ability to measure changes in light on the order of tens of parts per million (ppm). This level of precision allows researchers to…

Earth and Planetary Astrophysics · Physics 2019-01-08 Jennifer L Carter

Static structure models, which map mass-radius constraints to bulk planet composition, are frequently used to categorise exoplanets due to their computational efficiency and the high-level insight they offer into planetary properties.…

Earth and Planetary Astrophysics · Physics 2026-04-20 Harrison Nicholls , Oliver Shorttle , Tim Lichtenberg , Flavia Pascal

Dynamic astrophysical phenomena are predominantly described by differential equations, yet our understanding of these systems is constrained by our incomplete grasp of non-linear physics and scarcity of comprehensive datasets. As such,…

Astrophysics of Galaxies · Physics 2023-11-29 Dustin D. Nguyen , Yuan-Sen Ting , Todd A. Thompson , Sebastian Lopez , Laura A. Lopez

The physical bases of the detection and characterisation of extrasolar planets in the reflected light and thermal emission regimes are reviewed. They both have their advantages and disadvantages, including artefacts, in the determination of…

Astrophysics · Physics 2007-05-23 Jean Schneider

Recent advances in modeling density distributions, so-called neural density fields, can accurately describe the density distribution of celestial bodies without, e.g., requiring a shape model - properties of great advantage when designing…

Earth and Planetary Astrophysics · Physics 2023-06-01 Jonas Schuhmacher , Fabio Gratl , Dario Izzo , Pablo Gómez

Sub-Neptune type exoplanets are abundant in our galaxy yet have no solar system analogs. They exist in a broad range of stellar forcing and rotational regimes that are distinctly different from solar system planets and more commonly studied…

Earth and Planetary Astrophysics · Physics 2023-06-01 Ekaterina Landgren , Alice Nadeau , Nikole Lewis , Tiffany Kataria , Peter Hitchcock

Rotation and orbital eccentricity both strongly influence planetary climate. Eccentricities can often be measured for exoplanets, but rotation rates are currently difficult or impossible to constrain. Here we examine how the combined…

Earth and Planetary Astrophysics · Physics 2019-05-01 Arthur D. Adams , William R. Boos , Eric T. Wolf

Oscillations detected on the solar surface provide a unique possibility for investigations of the interior properties of a star. Through major observational efforts, including extensive observations from space, as well as development of…

Astrophysics · Physics 2008-11-26 J. Christensen-Dalsgaard

The eccentricity of a planet's orbit and the inclination of its orbital plane encode important information about its formation and history. However, exoplanets detected via direct-imaging are often only observed over a very small fraction…

Earth and Planetary Astrophysics · Physics 2021-05-05 Rodrigo Ferrer-Chávez , Jason J. Wang , Sarah Blunt

The exoplanet detection is the most exciting and challenging field of astronomy. The discovery of many exoplanets has revolutionized our understanding of the formation and evolution of planetary systems and has showed new ways to search for…

Earth and Planetary Astrophysics · Physics 2024-04-19 Mahima Kaushik , Aditee Mattoo , Ritesh Rastogi

We propose to use a modest fraction of the re-purposed Kepler mission time and apertures to greatly increase the quantity and quality of our knowledge of near-Earth asteroids (NEAs) rotation and shape. NEAs are important for understanding…

Earth and Planetary Astrophysics · Physics 2013-09-11 Martin Elvis , José Luis Galache , Gareth V. Williams

The planetary ephemerides play a crucial role for spacecraft navigation, mission planning, reduction and analysis of the most precise astronomical observations. The construction of such ephemerides is highly constrained by the tracking…

Earth and Planetary Astrophysics · Physics 2014-03-13 Ashok Verma

Analytical approximations are commonly employed in the initial trajectory design phase of a mission to rapidly explore a broad design space. In the context of an asteroid deflection mission, accurately predicting deflection is crucial to…

Earth and Planetary Astrophysics · Physics 2024-04-08 Rodolfo Batista Negri , Antônio Fernando Bertachini de Almeida Prado

A reasonable basis for future astronomical investigations of exoplanets lies in our best knowledge of the planets and satellites in the Solar System. Solar System bodies exhibit a wide variety of surface environments, even including…

Earth and Planetary Astrophysics · Physics 2015-06-22 Yuka Fujii , Jun Kimura , James Dohm , Makiko Ohtake

Photometry of short-period planetary systems allows astronomers to monitor exoplanets, their host stars, and their mutual interactions. In addition to the transits of a planet in front of its star and the eclipses of the planet by its star,…

Earth and Planetary Astrophysics · Physics 2017-01-25 Nicolas B. Cowan , Victoria Chayes , Elie Bouffard , Max Meynig , Hal M. Haggard

The orbital sampling effect (OSE) appears in phase-folded transit light curves of extrasolar planets with moons. Analytical OSE models have hitherto neglected stellar limb darkening and non-zero transit impact parameters and assumed that…

Earth and Planetary Astrophysics · Physics 2016-03-24 René Heller , Michael Hippke , Brian Jackson

Current state-of-the-art models of the solar convection zone consist of solutions to the Navier-Stokes equations in rotating, 3D spherical shells. Such models are highly sensitive to the choice of boundary conditions. Here, we present two…

Solar and Stellar Astrophysics · Physics 2020-07-31 Loren I. Matilsky , Bradley W. Hindman , Juri Toomre

Starshades are a leading technology to enable the direct detection and spectroscopic characterization of Earth-like exoplanets. To keep the starshade and telescope aligned over large separations, reliable sensing of the peak of the…

Instrumentation and Methods for Astrophysics · Physics 2023-06-27 Andrew Chen , Anthony Harness , Peter Melchior
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