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Apache Spark is a Big Data framework for working on large distributed datasets. Although widely used in the industry, it remains rather limited in the academic community or often restricted to software engineers. The goal of this paper is…

Instrumentation and Methods for Astrophysics · Physics 2019-07-17 S. Plaszczynski , J. Peloton , C. Arnault , J. E. Campagne

We introduce a general-purpose framework for interconnecting scientific simulation programs using a homogeneous, unified software interface. Our framework is intrinsically parallel, and conveniently separates all components in memory. It…

Astrophysics of Galaxies · Physics 2011-10-14 Simon Portegies Zwart , Stephen McMillan , Inti Pelupessy , Arjen van Elteren

In today's world of big data, computational analysis has become a key driver of biomedical research. Recent exponential growth in the volume of available omics data has reshaped the landscape of contemporary biology, creating demand for a…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-09 Jaqueline J. Brito , Thiago Mosqueiro , Jeremy Rotman , Victor Xue , Douglas J. Chapski , Juan De la Hoz , Paulo Matias , Lana Martin , Alex Zelikovsky , Matteo Pellegrinni , Serghei Mangul

Sky coverage is one of the most important pieces of information about astronomical observations. We discuss possible representations, and present algorithms to create and manipulate shapes consisting of generalized spherical polygons with…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Tamas Budavari , Alex Szalay , Gyorgy Fekete

We propose a novel change detection framework to identify changes in the long-term performance behavior of an IaaS service. An IaaS service's long-term performance behavior is represented by an IaaS performance signature. The proposed…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-20 Sheik Mohammad Mostakim Fattah , Athman Bouguettaya

While foundation models have shown promise across a variety of fields, astronomy still lacks a unified framework for joint modeling across its highly diverse data modalities. In this paper, we present AION-1, a family of large-scale…

Astronomical researchers often think of analysis and visualization as separate tasks. In the case of high-dimensional data sets, though, interactive exploratory data visualization can give far more insight than an approach where data…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Alyssa A. Goodman

During more than 17 years of operation in space INTEGRAL telescope has accumulated large data set that contains records of hard X-ray and soft gamma-ray astronomical sources. These data can be re-used in the context of multi-wavelength or…

Instrumentation and Methods for Astrophysics · Physics 2021-07-28 A. Neronov , V. Savchenko , A. Tramacere , M. Meharga , C. Ferrigno , S. Paltani

The cross-identification of sources in separate catalogs is one of the most basic tasks in observational astronomy. It is, however, surprisingly difficult and generally ill-defined. Recently Budav\'ari & Szalay (2008) formulated the problem…

Astrophysics of Galaxies · Physics 2015-05-19 Gyöngyi Kerekes , Tamás Budavári , István Csabai , Andrew J. Connolly , Alexander S. Szalay

The universe is permeated by a network of filaments, sheets, and knots collectively forming a "cosmic web.'' The discovery of the cosmic web, especially through its signature of absorption of light from distant sources by neutral hydrogen…

Astrophysics · Physics 2009-11-13 C. -A. Faucher-Giguere , A. Lidz , L. Hernquist

We introduce AXS (Astronomy eXtensions for Spark), a scalable open-source astronomical data analysis framework built on Apache Spark, a widely used industry-standard engine for big data processing. Building on capabilities present in Spark,…

Instrumentation and Methods for Astrophysics · Physics 2019-07-10 Petar Zečević , Colin T. Slater , Mario Jurić , Andrew J. Connolly , Sven Lončarić , Eric C. Bellm , V. Zach Golkhou , Krzysztof Suberlak

`Oumuamua and Borisov were the first two interstellar objects confirmed in the Solar system. The upcoming commencement of the Vera C. Rubin Observatory's Legacy Survey of Space of Time (LSST) will enhance greatly the discovery rate of…

Earth and Planetary Astrophysics · Physics 2020-11-11 Amir Siraj , Abraham Loeb

The search for signatures of life beyond Earth has been a major goal of space research and astrobiology for decades. The combination of expanded knowledge on Solar System bodies from past missions and advancements in in-situ detection…

Earth and Planetary Astrophysics · Physics 2026-04-22 Andreas Riedo , Salome Gruchola , Nikita J. Boeren , Peter Keresztes Schmidt , Luca N. Knecht , Youcef Sellam , Marek Tulej , Peter Wurz

This paper describes the development of iEnvironment, an open science software platform that supports monitoring and modeling of aspects of surface water. The platform supports science and engineering research, especially in the context of…

Software Engineering · Computer Science 2018-12-27 Paulo Alencar , Donald Cowan , Doug Mulholland

Research on video-based eye-tracking has long explored stereo and glint-based methods, yet existing wearable eye trackers - both commercial and open-source - offer limited flexibility for algorithm development and comparative evaluation. We…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Alexander Zimmer , Yasmeen Abdrabou , Enkelejda Kasneci

Fulfilling the rich promise of rapid advances in time-domain astronomy is only possible through confronting our observations with physical models and extracting the parameters that best describe what we see. Here, we introduce {\sc…

We are surrounded by overwhelming big data, which brings substantial advances but meanwhile poses many challenges. Geospatial big data comprises a big portion of big data, and is essential and powerful for decision-making if being utilized…

This paper explicates the concept of an Intermediate Point (IP), its incorporation as a node along an interplanetary trajectory, and how it permits the determination and optimization of trajectories to interstellar objects (ISOs). IPs can…

Earth and Planetary Astrophysics · Physics 2022-05-23 Adam Hibberd

We propose AstroSLAM, a standalone vision-based solution for autonomous online navigation around an unknown target small celestial body. AstroSLAM is predicated on the formulation of the SLAM problem as an incrementally growing factor…

Robotics · Computer Science 2022-12-02 Mehregan Dor , Travis Driver , Kenneth Getzandanner , Panagiotis Tsiotras

Aims. We used realistic three-dimensional (3D) radiative hydrodynamical (RHD) simulations from the Stagger-grid and synthetic images computed with the radiative transfer code Optim3D to provide interferometric observables to extract the…

Solar and Stellar Astrophysics · Physics 2014-09-05 Andrea Chiavassa , Roxanne Ligi , Zazralt Magic , Remo Collet , Martin Asplund , Denis Mourard