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Cosmological parameter estimation is entering a new era. Large collaborations need to coordinate high-stakes analyses using multiple methods; furthermore such analyses have grown in complexity due to sophisticated models of cosmology and…

Cosmology and Nongalactic Astrophysics · Physics 2018-04-04 Joe Zuntz , Marc Paterno , Elise Jennings , Douglas Rudd , Alessandro Manzotti , Scott Dodelson , Sarah Bridle , Saba Sehrish , James Kowalkowski

High precision time series photometry from space is being used for a number of scientific cases. In this context, the recently launched CHEOPS (ESA) mission promises to bring 20 ppm precision over an exposure time of 6 hours, when targeting…

Instrumentation and Methods for Astrophysics · Physics 2022-05-11 André M. Silva , Sérgio G. Sousa , Nuno Santos , Olivier D. S. Demangeon , Pedro Silva , S. Hoyer , P. Guterman , Magali Deleuil , David Ehrenreich

We present a new, fast, and easy to use tool for modelling light and radial velocity curves of close eclipsing binaries with built-in methods for solving an inverse problem. The main goal of ELISa (Eclipsing binary Learning and Interactive…

Instrumentation and Methods for Astrophysics · Physics 2021-09-01 Michal Čokina , Miroslav Fedurco , Štefan Parimucha

Most of the space projects or large observatories do have official tools like simulators, end-to-end pipelines developed during years by a large team of contributors. They are like {\em cathedrals}. In this paper, we show that very…

Instrumentation and Methods for Astrophysics · Physics 2025-02-20 R. Gastaud , A. Coulais

We introduce MOSAIC, a Python program for machine learning models. Our framework is developed with in mind accelerating machine learning studies through making implementing and testing arbitrary network architectures and data sets simpler,…

Machine Learning · Computer Science 2023-01-31 Mattéo Papin , Yann Beaujeault-Taudière , Frédéric Magniette

The advent of extremely large telescopes will bring unprecedented light-collecting power and spatial resolution, but it will also lead to a significant increase in the size and complexity of focal-plane instruments. The use of freeform…

Stellar atmosphere modelling predicts the luminosity and temperature of a star, together with parameters such as the effective gravity and the metallicity, by reproducing the observed spectral energy distribution. Most observational data…

Instrumentation and Methods for Astrophysics · Physics 2024-02-21 Iain McDonald , Albert A. Zijlstra , Nick L. J. Cox , Emma L. Alexander , Alexander Csukai , Ria Ramkumar , Alexander Hollings

We propose a machine learning approach for image regression from sparse experimental measurements. We show the application of the proposed method on film cooling studies in propulsion system development, aiming to reduce the need for…

Machine Learning · Computer Science 2026-05-29 Adam T. Müller , Philipp J. Teuffel , Konstantin Manassis , Nicolaj C. Stache

LiteBIRD, the Lite (Light) satellite for the study of $B$-mode polarization and Inflation from cosmic background Radiation Detection, is a space mission focused on primordial cosmology and fundamental physics. In this paper, we present the…

Instrumentation and Methods for Astrophysics · Physics 2025-11-26 M. Tomasi , L. Pagano , A. Anand , C. Baccigalupi , A. J. Banday , M. Bortolami , G. Galloni , M. Galloway , T. Ghigna , S. Giardiello , M. Gomes , E. Hivon , N. Krachmalnicoff , S. Micheli , M. Monelli , Y. Nagano , A. Novelli , G. Patanchon , D. Poletti , G. Puglisi , N. Raffuzzi , M. Reinecke , Y. Takase , G. Weymann-Despres , D. Adak , E. Allys , J. Aumont , R. Aurvik , M. Ballardini , R. B. Barreiro , N. Bartolo , S. Basak , M. Bersanelli , A. Besnard , T. Brinckmann , E. Calabrese , P. Campeti , E. Carinos , A. Carones , F. J. Casas , K. Cheung , M. Citran , L. Clermont , F. Columbro , G. Coppi , A. Coppolecchia , F. Cuttaia , P. Dal Bo , P. de Bernardis , E. de la Hoz , M. De Lucia , S. Della Torre , P. Diego-Palazuelos , H. K. Eriksen , T. Essinger-Hileman , C. Franceschet , U. Fuskeland , M. Gerbino , M. Gervasi , C. Gimeno-Amo , E. Gjerløw , A. Gruppuso , M. Hazumi , S. Henrot-Versillé , L. T. Hergt , B. Jost , K. Kohri , L. Lamagna , T. Lari , M. Lattanzi , C. Leloup , F. Levrier , A. I. Lonappan , M. López-Caniego , G. Luzzi , J. Macias-Perez , B. Maffei , E. Martínez-González , S. Masi , S. Matarrese , T. Matsumura , L. Montier , G. Morgante , L. Mousset , R. Nagata , F. Noviello , I. Obata , A. Occhiuzzi , A. Paiella , D. Paoletti , G. Pascual-Cisneros , F. Piacentini , M. Pinchera , G. Polenta , L. Porcelli , M. Remazeilles , A. Ritacco , A. Rizzieri , J. A. Rubiño-Martín , M. Ruiz-Granda , J. Sanghavi , V. Sauvage , M. Shiraishi , G. Signorelli , S. L. Stever , R. M. Sullivan , K. Tassis , L. Terenzi , L. Vacher , B. van Tent , P. Vielva , I. K. Wehus , M. Zannoni , Y. Zhou

One of the most important changes in observational astronomy of the 21st Century is a rapid shift from classical object-by-object observations to extensive automatic surveys. As CCD detectors are getting better and their prices are getting…

Astrophysics · Physics 2009-11-13 Andrej Prsa , Tomaz Zwitter

Optimizing one's observing strategy while at the telescope relies on knowing the current observing conditions and the obtained data quality. In particular the latter is not straight forward with current wide-field imagers, such as the WIYN…

Instrumentation and Methods for Astrophysics · Physics 2013-10-21 Ralf Kotulla

PARMESAN (the Python Atmospheric Research Package for MEteorological TimeSeries and Turbulence ANalysis) is a Python package providing common functionality for atmospheric scientists doing time series or turbulence analysis. Several…

We have constructed a new, fast, robust and reliable pipeline to detect variable stars from the ROTSE-IIId archival data. Turkish share of ROTSE-III archive contains approximately one million objects from a large field of view (1.85\dgr)…

Instrumentation and Methods for Astrophysics · Physics 2015-03-19 B. B. Güçsav , C. Yeşilyaprak , S. K. Yerli , N. Aksaker , Ü. Kızıloğlu , D. Çoker , E. Dikicioğlu , M. E. Aydın

lightcurver is a photometric pipeline for time series astronomical imaging data, designed for the semi-automatic extraction of precise light curves from small, blended targets. Such targets include, but are not limited to, lensed quasars,…

Instrumentation and Methods for Astrophysics · Physics 2024-10-18 Frédéric Dux

Modern telescopes generate increasingly large and diverse datasets, often consisting of complex and morphologically rich structures. To efficiently explore such data requires automated methods that can extract and organize physically…

Instrumentation and Methods for Astrophysics · Physics 2026-04-08 Per Bjerkeli , Jouni Kainulainen , Maria Carmen Toribio , Leon Boschman , Otoniel Maya Lucas

I present a fast Python tool, SpectRes, for carrying out the resampling of spectral flux densities and their associated uncertainties onto different wavelength grids. The function works with any grid of wavelength values, including…

Instrumentation and Methods for Astrophysics · Physics 2017-05-16 A. C. Carnall

In this work we introduce repro_eval - a tool for reactive reproducibility studies of system-oriented information retrieval (IR) experiments. The corresponding Python package provides IR researchers with measures for different levels of…

Information Retrieval · Computer Science 2022-01-20 Timo Breuer , Nicola Ferro , Maria Maistro , Philipp Schaer

The Transient Optical Sky Survey (TOSS) is an automated, ground-based telescope system dedicated to searching for optical transient events. Small telescope tubes are mounted on a tracking, semi-equatorial frame with a single polar axis.…

Instrumentation and Methods for Astrophysics · Physics 2012-10-05 E. Hadjiyska , G. Hughes , P. Lubin , S. Taylor , R. Hartong-Redden , J. Zierten

In preparing the way for the Square Kilometre Array and its pathfinders, there is a pressing need to begin probing the transient sky in a fully robotic fashion using the current generation of radio telescopes. Effective exploitation of such…

Instrumentation and Methods for Astrophysics · Physics 2015-08-26 Tim D. Staley , Gemma E. Anderson

We have designed and implemented a novel way to process wide-field astronomical data within a distributed environment of hardware resources and humanpower. The system is characterized by integration of archiving, calibration, and…

Instrumentation and Methods for Astrophysics · Physics 2011-10-17 J. P. McFarland , G. Verdoes-Kleijn , G. Sikkema , E. M. Helmich , D. R. Boxhoorn , E. A. Valentijn