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The high-precision photometry from NASA's Kepler and TESS missions has revolutionized exoplanet detection, enabling the discovery of over 5500 confirmed exoplanets via the transit method and around 10000 additional candidates awaiting…

Earth and Planetary Astrophysics · Physics 2025-12-02 Sarah Huang , Chen Jiang

The most challenging limitation in transit photometry arises from the noises in the photometric signal. In particular, the ground-based telescopes are heavily affected by the noise due to perturbation in the Earth's atmosphere. Use of…

Earth and Planetary Astrophysics · Physics 2021-06-23 Suman Saha , Aritra Chakrabarty , Sujan Sengupta

[Abridged] We present a novel method to study the thermal emission of exoplanets as a function of orbital phase at very high spectral resolution, and apply it to investigate the climate of the ultra-hot Jupiter KELT-9b. We combine 3 nights…

We report the discovery by the HATNet survey of three new transiting extrasolar planets orbiting moderately bright (V=13.2, 12.8 and 11.9) stars. The planets have orbital periods of 4.3012, 3.1290, and 4.4631 days, masses of 0.39, 0.89, and…

The majority of exoplanets found to date have been discovered via the transit method, and transmission spectroscopy represents the primary method of studying these distant worlds. Currently, in-depth atmospheric characterization of…

With an equilibrium temperature above 2500 K, the recently discovered HAT-P-70 b belongs to a new class of exoplanets known as ultra-hot Jupiters: extremely irradiated gas giants with day-side temperatures that resemble those found in…

Earth and Planetary Astrophysics · Physics 2022-02-02 Aaron Bello-Arufe , Samuel H. C. Cabot , João M. Mendonça , Lars A. Buchhave , Alexander D. Rathcke

The transit method allows the detection and characterization of planetary systems by analyzing stellar light curves. Convolutional neural networks appear to offer a viable solution for automating these analyses. In this research, two 1D…

The TESS follow-up of a large number of known transiting exoplanets provide unique opportunity to study their physical properties more precisely. Being a space-based telescope, the TESS observations are devoid of any noise component…

Earth and Planetary Astrophysics · Physics 2025-11-25 Suman Saha

This paper describes a simple activity for plotting and characterizing the light curve from an exoplanet transit event by way of differential photometry analysis. Using free digital imaging software, participants analyse a series of…

Physics Education · Physics 2015-09-04 Michael Cowley , Stephen Hughes

Today's most detailed characterization of exoplanet atmospheres is accessible via transit spectroscopy (TS). Detecting transiting exoplanets only yields their size, and it is thus standard to measure a planet's mass before moving towards…

Earth and Planetary Astrophysics · Physics 2025-10-01 Julien de Wit , Sara Seager , Prajwal Niraula

Direct imaging of widely separated exoplanets from space will obtain their reflected light spectra and measure atmospheric properties. Previous calculations have shown that a change in the orbital phase would cause a spectral signal, but…

Earth and Planetary Astrophysics · Physics 2020-10-27 Mario Damiano , Renyu Hu , Sergi R. Hildebrandt

Observations using the Spitzer Space Telescope provided the first detections of photons from extrasolar planets. Spitzer observations are allowing us to infer the temperature structure, composition, and dynamics of exoplanet atmospheres.…

Astrophysics · Physics 2009-11-13 Drake Deming

I measure the physical properties of 38 transiting extrasolar planetary systems, bringing the total number studied within the Homogeneous Studies project to 82. Transit light curves are modelled using JKTEBOP, with careful attention paid to…

Earth and Planetary Astrophysics · Physics 2015-06-05 John Southworth

Exoplanet characterization is one of the main foci of current exoplanetary science. For super-Earths and sub-Neptunes, we mostly rely on mass and radius measurements, which allow to derive the body's mean density and give a rough estimate…

Earth and Planetary Astrophysics · Physics 2021-06-16 J. F. Otegi , C. Dorn , R. Helled , F. Bouchy , J. Haldemann , Y. Alibert

Atmospheres of transiting exoplanets can be studied spectroscopically using space-based or ground-based observations. Each has its own strengths and weaknesses, so there are benefits to both approaches. This is especially true for…

Photometric observations of exoplanet transits can be used to derive the orbital and physical parameters of an exoplanet. We analyzed several transit light curves of exoplanets that are suitable for ground-based observations whose complete…

I derive the physical properties of 30 transiting extrasolar planetary systems using a homogeneous analysis of published data. The light curves are modelled with the JKTEBOP code, with attention paid to limb darkening and eccentricity. The…

Earth and Planetary Astrophysics · Physics 2015-05-19 John Southworth

There are more than 5000 confirmed and validated planets beyond the solar system to date, more than half of which were discovered by NASA's Kepler mission. The catalog of Kepler's exoplanet candidates has only been extensively analyzed…

Earth and Planetary Astrophysics · Physics 2024-01-25 Michael R. B. Matesic , Jason F. Rowe , John H. Livingston , Shishir Dholakia , Daniel Jontof-Hutter , Jack J. Lissauer

Exoplanet detection in the past decade by efforts including NASA's Kepler and TESS missions has discovered many worlds that differ substantially from planets in our own Solar system, including more than 400 exoplanets orbiting binary or…

Earth and Planetary Astrophysics · Physics 2021-06-30 Zhihui Kong , Jonathan H. Jiang , Zong-Hong Zhu , Kristen A. Fahy , Remo Burn
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