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The architecture of planetary systems is a key piece of information to our understanding of their formation and evolution. This information also allows us to place the Solar System in the exoplanet context. An important example is the…

Earth and Planetary Astrophysics · Physics 2025-09-18 Manu Stalport , Michaël Cretignier , Luca Naponiello , Valérie Van Grootel

Characterizing the interior structure of exoplanets is an inverse problem often solved using Bayesian inference, but this approach is hampered by the high computational cost of planetary structure models. To overcome this barrier, we…

Earth and Planetary Astrophysics · Physics 2025-12-22 Tijn De Wringer , Caroline Dorn , Emily O. Garvin , Stefano Marelli

PIONEER is a next-generation experiment to measure the charged pion branching ratios to electrons vs muons $R_e/\mu = \frac{\Gamma\left(\pi^+ \rightarrow e^+ \nu (\gamma) \right)}{\Gamma\left(\pi^+ \rightarrow \mu^+ \nu (\gamma)\right)}$…

Instrumentation and Detectors · Physics 2022-01-10 Simone Michele Mazza

The unprecedented photometric precision of Kepler mission allows searching for Earth-like planets. However, it remains difficult to distinguish these low signal-to-noise planets from the false alarms originating from correlated and…

Earth and Planetary Astrophysics · Physics 2025-08-26 Oryna Ivashtenko , Barak Zackay

Detecting and characterizing the Epoch of Reionization and Cosmic Dawn via the redshifted 21-cm hyperfine line of neutral hydrogen will revolutionize the study of the formation of the first stars, galaxies, black holes and intergalactic gas…

Cosmology and Nongalactic Astrophysics · Physics 2018-05-23 F. G. Mertens , A. Ghosh , L. V. E. Koopmans

Planetary systems with multiple transiting planets are beneficial for understanding planet occurrence rates and system architectures. Although we have yet to find a solar system analogue, future surveys may detect multiple terrestrial…

Earth and Planetary Astrophysics · Physics 2026-01-12 Bethlee Lindor , Eric Agol

The multi-planetary system HD128311 hosts at least two planets. Its dynamical formation history has been studied extensively in the literature. We reanalyse the latest radial velocity data for this system with the affine-invariant Markov…

Earth and Planetary Astrophysics · Physics 2015-01-16 Hanno Rein

Permutation Entropy and statistiCal Complexity Analysis for astRophYsics (PECCARY) is a computationally inexpensive, statistical method by which any time-series can be characterized as predominantly regular, complex, or stochastic. Elements…

Instrumentation and Methods for Astrophysics · Physics 2025-07-29 Sóley Ó. Hyman , Kathryne J. Daniel , David A. Schaffner

Total-Body PET (TB-PET) scanners represent a significant advancement in medical diagnostics, exemplified by the uEXPLORER, the world's first TB-PET system with an axial span of 194 cm, which exhibits exceptional sensitivity and spatial…

Instrumentation and Detectors · Physics 2025-04-10 D. Choudhary , S. Nag

Targeted astrophysical surveys are limited by the amount of telescope time available, which makes it impossible to observe every single object of interest. In order to maximize the scientific return, we need a well thought strategy for…

Earth and Planetary Astrophysics · Physics 2026-01-30 Emilie Panek , Alexander Roman , Katia Matcheva , Konstantin T. Matchev , Nicolas B. Cowan

We present a new method for performing atmospheric retrieval on ground-based, high-resolution data of exoplanets. Our method combines cross-correlation functions with a random forest, a supervised machine learning technique, to overcome…

Earth and Planetary Astrophysics · Physics 2020-04-15 Chloe Fisher , H. Jens Hoeijmakers , Daniel Kitzmann , Pablo Márquez-Neila , Simon L. Grimm , Raphael Sznitman , Kevin Heng

We perform a dynamical analysis of the recently published radial velocity (RV) measurements of a few solar type stars which host multiple Jupiter-like planets. In particular, we re-analyze the data for HD 202206, 14 Her, HD 37124 and HD…

Astrophysics · Physics 2009-11-13 Krzysztof Gozdziewski , Maciej Konacki , Andrzej J. maciejewski

The radial velocity method is one of the most successful techniques for detecting exoplanets. It works by detecting the velocity of a host star induced by the gravitational effect of an orbiting planet, specifically the velocity along our…

Instrumentation and Methods for Astrophysics · Physics 2020-08-26 David E. Jones , David C. Stenning , Eric B. Ford , Robert L. Wolpert , Thomas J. Loredo , Christian Gilbertson , Xavier Dumusque

Recent years have witnessed rapid progress in observations of the Epoch of Reionization (EoR). These have enabled high-dimensional inference of galaxy and intergalactic medium (IGM) properties during the first billion years of our Universe.…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-09 Daniela Breitman , Andrei Mesinger , Steven Murray , David Prelogovic , Yuxiang Qin , Roberto Trotta

The Kepler mission has provided a treasure trove of eclipsing binaries (EBs), observed at extremely high photometric precision, nearly continuously for several years. We are carrying out a survey of ~100 of these EBs to derive dynamical…

Data-driven modelling and computational predictions based on maximum entropy principle (MaxEnt-principle) aim at finding as-simple-as-possible - but not simpler then necessary - models that allow to avoid the data overfitting problem. We…

Computation · Statistics 2020-11-25 Horenko Illia , Marchenko Ganna , Gagliardini Patrick

Precise radial velocity (RV) measurements are a crucial tool for exoplanet discovery and characterization. Today, the majority of these measurements are derived from Echelle spectra in the optical wavelength region using cross-correlation…

Upcoming Large Scale Structure surveys aim to achieve an unprecedented level of precision in measuring galaxy clustering. However, accurately modeling these statistics may require theoretical templates that go beyond second-order…

Cosmology and Nongalactic Astrophysics · Physics 2023-11-21 M. Icaza-Lizaola , Yong-Seon Song , Minji Oh , Yi Zheng

The search for free-floating planets (FFPs) is a key science driver for upcoming microlensing surveys like the Nancy Grace Roman Galactic Exoplanet Survey. These rogue worlds are typically detected via short-duration microlensing events,…

Instrumentation and Methods for Astrophysics · Physics 2025-12-15 Nolan Smyth , Laurence Perreault-Levasseur , Yashar Hezaveh

Entity Resolution (ER) is typically implemented as a batch task that processes all available data before identifying duplicate records. However, applications with time or computational constraints, e.g., those running in the cloud, require…

Databases · Computer Science 2025-03-12 Jakub Maciejewski , Konstantinos Nikoletos , George Papadakis , Yannis Velegrakis
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