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This paper discusses an algorithm for detecting single transits in photometric time-series data. Specifically, we aim to identify asymmetric transits with ingress that is more rapid than egress, as expected for cometary bodies with a…

Earth and Planetary Astrophysics · Physics 2018-11-28 Grant M. Kennedy , Greg Hope , Simon T. Hodgkin , Mark C. Wyatt

This paper shows the application of autonomous Crater Detection using the U-Net, a Fully-Convolutional Neural Network, on Ceres. The U-Net is trained on optical images of the Moon Global Morphology Mosaic based on data collected by the LRO…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Francesco Latorre , Dario Spiller , Fabio Curti

We present an automated and probabilistic method to make prediscovery detections of near-Earth asteroids (NEAs) in archival survey images, with the goal of reducing orbital uncertainty immediately after discovery. We refit Minor Planet…

Earth and Planetary Astrophysics · Physics 2025-10-10 Sage Li , Alex Geringer-Sameth , Nathan Golovich

The timing (cross-)calibration of astronomical instruments is often done by comparing pulsar times-of-arrival (TOAs) to a reference timing model. In high-energy astronomy, the choice of solar system ephemerides and source positions used to…

The lightcurves of asteroids are essential for determining their physical characteristics, including shape, spin, size, and surface composition. However, most asteroids are missing some of these basic physical parameters due to lack of…

Earth and Planetary Astrophysics · Physics 2024-01-30 Xiaoyun Xu , Xiaobing Wang , Karri Muinonen , Antti Penttil , Nanping Luo , Shenghong Gu , Leilei Sun , Fukun Xu , Yisi Liu , Yue Xiang , Dongtao Cao , Jianhua Wang

Trajectory optimization is an important tool for control and planning of complex, underactuated robots, and has shown impressive results in real world robotic tasks. However, in applications where the cost function to be optimized is…

Robotics · Computer Science 2020-04-02 Anirudh Vemula , J. Andrew Bagnell

Cluster analysis and outlier detection are strongly coupled tasks in data mining area. Cluster structure can be easily destroyed by few outliers; on the contrary, outliers are defined by the concept of cluster, which are recognized as the…

Machine Learning · Computer Science 2019-09-04 Hongfu Liu , Jun Li , Yue Wu , Yun Fu

Despite extensive searches and the relative proximity of solar system objects (SSOS) to Earth, many remain undiscovered and there is still much to learn about their properties and interactions. This work is the first in a series dedicated…

Instrumentation and Methods for Astrophysics · Physics 2021-11-24 Katie M. Fasbender , David L. Nidever

We consider the problem of automatically (and robustly) isolating and extracting information about waves and oscillations observed in EUV image sequences of the solar corona with a view to near real-time application to data from the…

Astrophysics · Physics 2009-11-13 Scott W. McIntosh , Bart De Pontieu , Steven Tomczyk

Femtosecond electron beams with complex modulation play a crucial role in applications such as X-ray Free Electron Lasers (XFELs) and plasma wakefield accelerators. However, diagnostics for the electron beam current profile still face…

Accelerator Physics · Physics 2026-05-08 Zixiao Guo , Ke Feng , Zhiheng Lou , Guiyao Wang , Wentao Wang , Ruxin Li

Spinspotter is a robust and automated algorithm designed to extract stellar rotation periods from large photometric datasets with minimal supervision. Our approach uses the autocorrelation function (ACF) to identify stellar rotation periods…

Solar and Stellar Astrophysics · Physics 2022-09-21 Rae J. Holcomb , Paul Robertson , Patrick Hartigan , Ryan J. Oelkers , Caleb Robinson

Keplerian-Stacker is an algorithm able to combine multiple observations acquired at different epochs taking into account the orbital motion of a potential planet present in the images to boost the ultimate detection limit. In 2019, a total…

Earth and Planetary Astrophysics · Physics 2022-11-23 Hervé Le Coroller , Mathias Nowak , Kevin Wagner , Markus Kasper , Gael Chauvin , Celia Desgrange , Simon Conseil

We present a new method for engineering the artificial capture of asteroids. Based on theories of the chaos-assisted capture of natural satellites of the giant planets, we show how an unbound asteroid that passes close to a regular region…

Earth and Planetary Astrophysics · Physics 2015-01-15 Patricia E. Verrier , Colin R. McInnes

We present the first deterministic, finite-step algorithm for exact tensor ring (TR) decomposition, addressing an open question about the existence of such procedures. Our method leverages blockwise simultaneous diagonalization to recover…

Numerical Analysis · Mathematics 2025-12-02 Han Chen , Sitan Chen , Anru R. Zhang

Faraday tomography offers crucial information on the magnetized astronomical objects, such as quasars, galaxies, or galaxy clusters, by observing its magnetoionic media. The observed linear polarization spectrum is inverse Fourier…

Instrumentation and Methods for Astrophysics · Physics 2020-11-24 Suchetha Cooray , Tsutomu T. Takeuchi , Takuya Akahori , Yoshimitsu Miyashita , Shinsuke Ideguchi , Keitaro Takahashi , Kiyotomo Ichiki

Multi-intent natural language understanding requires retrieval systems that simultaneously achieve high accuracy and computational efficiency, yet existing approaches apply either uniform single-step retrieval that compromises recall or…

Artificial Intelligence · Computer Science 2026-04-28 Hee-Kyong Yoo , Wonbae Kim , Hyocheol Ahn

Astronomy relies heavily on time domain observations. To maximize the scientific yield of such observations, astronomers must carefully match the observational cadence to the phenomena of interest. This presents significant scheduling…

Instrumentation and Methods for Astrophysics · Physics 2025-06-11 Jack Lubin , Erik A. Petigura , Velibor V. Mišić , Judah Van Zandt , Luke B. Handley

In recent years, the retrieval of entire asteroids has received significant attention, with many approaches leveraging the invariant manifolds of the Circular-Restricted Three-body Problem to capture an asteroid into a periodic orbit about…

Earth and Planetary Astrophysics · Physics 2021-03-24 Jack Tyler , Alexander Wittig

Exoplanet discovery at long orbital periods requires reliably detecting individual transits without additional information about the system. Techniques like phase-folding of light curves and periodogram analysis of radial velocity data are…

Earth and Planetary Astrophysics · Physics 2024-03-07 Matthew T. Hansen , Jason A. Dittmann

This paper presents a new method of reconstructing the individual charged and neutral hadrons in tau decays with the ATLAS detector. The reconstructed hadrons are used to classify the decay mode and to calculate the visible four-momentum of…

High Energy Physics - Experiment · Physics 2016-06-02 ATLAS Collaboration