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With over 1800 planets discovered outside of the Solar System in the past two decades, the field of exoplanetology has broadened our perspective on planetary systems. Research priorities are now moving from planet detection to planet…

Earth and Planetary Astrophysics · Physics 2015-09-07 Julien de Wit

Despite extensive theoretical motivation for physics beyond the Standard Model (BSM) of particle physics, searches at the Large Hadron Collider (LHC) have found no significant evidence for BSM physics. Therefore, it is essential to broaden…

High Energy Physics - Phenomenology · Physics 2019-03-21 Jack H. Collins , Kiel Howe , Benjamin Nachman

Determining habitable zones in binary star systems can be a challenging task due to the combination of perturbed planetary orbits and varying stellar irradiation conditions. The concept of "dynamically informed habitable zones" allows us,…

Earth and Planetary Astrophysics · Physics 2021-03-17 Nikolaos Georgakarakos , Siegfried Eggl , Dobbs-Dixon

The discovery of Earth-like planets is a major focus of current planetology research and faces a significant technological challenge. Indeed, when it comes to detecting planets as small and cold as the Earth, the cost of observation time is…

Earth and Planetary Astrophysics · Physics 2024-08-23 Jeanne Davoult , Yann Alibert , Lokesh Mishra

The Closeby Habitable Exoplanet Survey (CHES) mission is proposed to discover habitable-zone Earth-like planets of the nearby solar-type stars ($\sim 10~\mathrm{pc}$ away from our solar system) via micro-arcsecond relative astrometry. The…

Since the start of the Wide Angle Search for Planets (WASP) program, more than 160 transiting exoplanets have been discovered in the WASP data. In the past, possible transit-like events identified by the WASP pipeline have been vetted by…

The search for life beyond the solar system is a central goal in exoplanetary science. Exoplanet surveys are increasingly detecting potentially habitable exoplanets and large telescopes in space and on ground are aiming to detect possible…

Earth and Planetary Astrophysics · Physics 2025-04-01 Nikku Madhusudhan

We explore unsupervised machine learning for galaxy morphology analyses using a combination of feature extraction with a vector-quantised variational autoencoder (VQ-VAE) and hierarchical clustering (HC). We propose a new methodology that…

(abridged) The technique of gravitational microlensing is currently unique in its ability to provide a sample of terrestrial exoplanets around both Galactic disk and bulge stars, allowing to measure their abundance and determine their…

Anomaly detection is defined as the problem of finding data points that do not follow the patterns of the majority. Among the various proposed methods for solving this problem, classification-based methods, including one-class Support…

Optimization and Control · Mathematics 2023-12-05 Amir Hossein Noormohammadia , Seyed Ali MirHassania , Farnaz Hooshmand Khaligh

The Kepler survey provides a statistical census of planetary systems out to the habitable zone. Because most planets are non-transiting, orbital architectures are best estimated using simulated observations of ensemble populations. Here, we…

Earth and Planetary Astrophysics · Physics 2018-07-11 Gijs D. Mulders , Ilaria Pascucci , Daniel Apai , Fred J. Ciesla

We present a new approach to exoplanet characterisation using techniques from complexity science, with potential applications to biosignature detection. This agnostic method makes use of the temporal variability of light reflected or…

Earth and Planetary Astrophysics · Physics 2022-02-09 Stuart Bartlett , Jiazheng Li , Lixiang Gu , Lana Sinapayen , Siteng Fan , Vijay Natraj , Jonathan Jiang , David Crisp , Yuk Yung

Astrophysical observations reveal a large diversity of radii and masses of exoplanets. It is important to characterize the interiors of exoplanets to understand planetary diversity and further determine how unique, or not, Earth is.…

Earth and Planetary Astrophysics · Physics 2019-02-06 Caroline Dorn , Dan J. Bower , Antoine B. Rozel

This paper presents a classification framework for the architectures of planetary systems based on a complete survey of the confirmed exoplanet population. With nearly 6000 confirmed exoplanets discovered, including more than 300…

Earth and Planetary Astrophysics · Physics 2025-02-20 Alex R. Howe , Juliette C. Becker , Christopher C. Stark , Fred C. Adams

Gravitational microlensing provides a unique window on the properties and prevalence of extrasolar planetary systems because of its ability to find low-mass planets at separations of a few AU. The early evidence from microlensing indicates…

Earth and Planetary Astrophysics · Physics 2015-05-13 David P. Bennett

Within the next few years, the first Earth-mass planets will be discovered around other stars. Some of those worlds will certainly lie within the classical "habitable zone" of their parent stars, and we will quickly move from knowing of no…

Earth and Planetary Astrophysics · Physics 2015-05-19 J. Horner , B. W. Jones

As spacecraft send back increasing amounts of telemetry data, improved anomaly detection systems are needed to lessen the monitoring burden placed on operations engineers and reduce operational risk. Current spacecraft monitoring systems…

Machine Learning · Computer Science 2018-06-08 Kyle Hundman , Valentino Constantinou , Christopher Laporte , Ian Colwell , Tom Soderstrom

NASA's Kepler Space Telescope was designed to determine the frequency of Earth-sized planets orbiting Sun-like stars, but these planets are on the very edge of the mission's detection sensitivity. Accurately determining the occurrence rate…

Earth and Planetary Astrophysics · Physics 2018-02-14 Christopher J. Shallue , Andrew Vanderburg

It is currently unknown how common life is on exoplanets, or how long planets can remain viable for life. To date, we have a superficial notion of habitability, a necessary first step, but so far lacking an understanding of the detailed…

Thirteen exo-planets have been discovered using the gravitational microlensing technique (out of which 7 have been published). These planets already demonstrate that super-Earths (with mass up to ~10 Earth masses) beyond the snow line are…