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The analysis and combination of data from different gamma-ray instruments involves the use of collaboration proprietary software and case-by-case methods. The effort of defining a common data format for high-level data, namely event lists…

The time domain has been identified as one of the most important areas of astronomical research for the next decade. The Virtual Observatory is in the vanguard with dedicated tools and services that enable and facilitate the discovery,…

Instrumentation and Methods for Astrophysics · Physics 2015-06-05 Matthew J. Graham , S. G. Djorgovski , Ciro Donalek , Andrew J. Drake , Ashish A. Mahabal , Raymond L. Plante , Jeffrey Kantor , John C. Good

Rutherford Backscattering Spectrometry (RBS) is an important technique providing elemental information of the near surface region of samples with high accuracy and robustness. However, this technique lacks throughput by the limited rate of…

Parameter estimation with non-Gaussian stochastic fields is a common challenge in astrophysics and cosmology. In this paper, we advocate performing this task using the scattering transform, a statistical tool sharing ideas with…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-07 Sihao Cheng , Yuan-Sen Ting , Brice Ménard , Joan Bruna

Radio astronomy observatories, such as the Dominion Radio Astrophysical Observatory in Penticton, British Columbia, try to limit radio frequency interference to observe incredibly faint astronomical signals. These protective measures…

Instrumentation and Methods for Astrophysics · Physics 2026-02-27 Pamela Freeman , Jo-Anne C. Brown

Large-scale photometric surveys are revolutionizing astronomy by delivering unprecedented amounts of data. The rich data sets from missions such as the NASA Kepler and TESS satellites, and the upcoming ESA PLATO mission, are a treasure…

Instrumentation and Methods for Astrophysics · Physics 2025-07-08 Jeroen Audenaert

We describe the data reduction algorithms for the Multiband Imaging Photometer for Spitzer (MIPS) instrument. These algorithms were based on extensive preflight testing and modeling of the Si:As (24 micron) and Ge:Ga (70 and 160 micron)…

The Astronomical Observatory of the University of Coimbra has a huge collection of solar images, acquired daily since 1926. From the beginning, only spectroheliograms in the CaiiK line has been recorded, and since 1989 in the H_alpha line…

Solar and Stellar Astrophysics · Physics 2020-02-12 S. Carvalho , S. Gomes , T. Barata , A. Lourenco , N. Peixinho

Supernova cosmology without spectroscopic confirmation is an exciting new frontier which we address here with the Bayesian Estimation Applied to Multiple Species (BEAMS) algorithm and the full three years of data from the Sloan Digital Sky…

(Sub-)millimetre single-dish telescopes feature faster mapping speeds and access larger spatial scales than their interferometric counterparts. However, atmospheric fluctuations tend to dominate their signals and complicate recovery of the…

Instrumentation and Methods for Astrophysics · Physics 2026-03-30 Jonas Würzinger , Joshiwa van Marrewijk , Thomas W. Morris , Richard Fuchs , Tony Mroczkowski , Lukas Heinrich

The Array Camera for Optical to Near-IR Spectrophotometry, or ARCONS, is a camera based on Microwave Kinetic Inductance Detectors (MKIDs), a new technology that has the potential for broad application in astronomy. Using an array of MKIDs,…

Instrumentation and Methods for Astrophysics · Physics 2015-08-06 J. C. van Eyken , M. J. Strader , A. B. Walter , S. R. Meeker , P. Szypryt , C. Stoughton , K. O'Brien , D. Marsden , N. K. Rice , Y. Lin , B. A. Mazin

In this paper, we propose a new evaluation metric called Domain Independence (DI) and Attenuation of Domain-Specific Information (ADSI) which is specifically designed for domain-generalized semantic segmentation in automotive images. DI…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Reiji Saito , Kazuhiro Hotta

Image subtraction is essential for transient detection in time-domain astronomy. The point spread function (PSF), photometric scaling, and sky background generally vary with time and across the field-of-view for imaging data taken with…

Instrumentation and Methods for Astrophysics · Physics 2022-09-14 Lei Hu , Lifan Wang , Xingzhuo Chen , Jiawen Yang

In recent years, deep learning has been successfully applied in various scientific domains. Following these promising results and performances, it has recently also started being evaluated in the domain of radio astronomy. In particular,…

The solar telescope connected to HARPS-N has been observing the Sun since the summer of 2015. Such high-cadence, long-baseline data set is crucial for understanding spurious radial-velocity signals induced by our Sun and by the instrument.…

We present the spectral atlas of sources observed in low resolution with the Infrared Spectrograph on board the Spitzer Space Telescope. More than 11,000 distinct sources were extracted using a dedicated algorithm based on the SMART…

Instrumentation and Methods for Astrophysics · Physics 2015-05-30 V. Lebouteiller , D. J. Barry , H. W. W. Spoon , J. Bernard-Salas , G. C. Sloan , J. R. Houck , D. W. Weedman

The observation of blank fields, regions of the sky devoid of stars down to a given threshold magnitude, constitutes one of the typical important calibration procedures required for the proper reduction of astronomical data obtained in…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 N. Cardiel , F. M. Jiménez-Esteban , J. M. Alacid , E. Solano , M. Aberasturi

Wavelets have been used extensively for several years now in astronomy for many purposes, ranging from data filtering and deconvolution, to star and galaxy detection or cosmic ray removal. More recent sparse representations such ridgelets…

Instrumentation and Methods for Astrophysics · Physics 2009-03-20 Jean-Luc Starck , Jerome Bobin

Time domain astronomy is advancing towards the analysis of multiple massive datasets in real time, prompting the development of multi-stream machine learning models. In this work, we study Domain Adaptation (DA) for real/bogus…

Instrumentation and Methods for Astrophysics · Physics 2023-08-16 Guillermo Cabrera-Vives , César Bolivar , Francisco Förster , Alejandra M. Muñoz Arancibia , Manuel Pérez-Carrasco , Esteban Reyes

The Atacama Large Millimeter/submillimeter Array with the planned electronic upgrades will deliver an unprecedented amount of deep and high resolution observations. Wider fields of view are possible with the consequential cost of image…

Instrumentation and Methods for Astrophysics · Physics 2022-10-05 Fabrizia Guglielmetti , Philipp Arras , Michele Delli Veneri , Torsten Enßlin , Giuseppe Longo , Łukasz Tychoniec , Eric Villard