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In classical analyses of $\gamma$-ray data from IACTs, such as H.E.S.S., aperture photometry, or photon counting, is applied in a (typically circular) region of interest (RoI) encompassing the source. A key element in the analysis is to…

Instrumentation and Methods for Astrophysics · Physics 2019-12-04 Lars Mohrmann , Andreas Specovius , Domenico Tiziani , Stefan Funk , Dmitry Malyshev , Kaori Nakashima , Christopher van Eldik

NEMESISPY is a Python package developed to perform parametric atmospheric modelling and radiative transfer calculation for the retrievals of exoplanetary spectra. It is a recent development of the well-established Fortran NEMESIS library…

Earth and Planetary Astrophysics · Physics 2024-07-10 Jingxuan Yang , Juan Alday , Patrick Irwin

At present, there is still no officially accepted and extensively verified implementation of computing the gamma difference distribution allowing unequal shape parameters. We explore four computational ways of the gamma difference…

Computation · Statistics 2022-02-02 Martina Hančová , Andrej Gajdoš , Jozef Hanč

The modeling of binary microlensing light curves via the standard sampling-based method can be challenging, because of the time-consuming light-curve computation and the pathological likelihood landscape in the high-dimensional parameter…

Instrumentation and Methods for Astrophysics · Physics 2022-10-17 Haimeng Zhao , Wei Zhu

We present the open-source image processing software package PySAP (Python Sparse data Analysis Package) developed for the COmpressed Sensing for Magnetic resonance Imaging and Cosmology (COSMIC) project. This package provides a set of…

Instrumentation and Methods for Astrophysics · Physics 2020-07-03 S. Farrens , A. Grigis , L. El Gueddari , Z. Ramzi , Chaithya G. R. , S. Starck , B. Sarthou , H. Cherkaoui , P. Ciuciu , J. -L. Starck

Understanding astrophysical and cosmological processes can be challenging due to their complexity and lack of intuitive analogies. To address this, we present \texttt{AstronomyCalc}, a Python package specifically designed to aid…

Physics Education · Physics 2025-11-26 Sambit K. Giri

Unbiased sky background modeling is crucial for the analysis of deep wide-field images, but it remains a major challenge in low surface brightness astronomy. Traditional image processing algorithms are often designed to produce artificially…

With the commissioning of the second MAGIC gamma-ray Cherenkov telescope situated close to MAGIC-I, the standard analysis package of the MAGIC collaboration, MARS, has been upgraded in order to perform the stereoscopic reconstruction of the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 A. Moralejo , M. Gaug , E. Carmona , P. Colin , C. Delgado , S. Lombardi , D. Mazin , V. Scalzotto , J. Sitarek , D. Tescaro

We developed a Python based framework for astronomical image processing and analysis. Astronomical image loading, normalizing, stacking, and filtering processes represent visible range images from grayscale. Besides, the blending process…

Instrumentation and Methods for Astrophysics · Physics 2024-10-10 Tanmoy Bhowmik , MD Fardin Islam , Kazi Nusrat Tasneem , Rantideb Roy , Rownok Shahariar

Axions and axion-like particles (ALPs) are hypothetical particles that occur in extensions of the Standard Model and are candidates for cold dark matter. They could be detected through their oscillations into photons in the presence of…

High Energy Astrophysical Phenomena · Physics 2022-09-21 Manuel Meyer , James Davies , Julian Kuhlmann

The absorption and emission of light by exoplanet atmospheres encode details of atmospheric composition, temperature, and dynamics. Fundamentally, simulating these processes requires detailed knowledge of the opacity of gases within an…

Instrumentation and Methods for Astrophysics · Physics 2024-08-07 Arjun B. Savel , Megan Bedell , Eliza M. -R. Kempton

In gamma-ray astronomy, a variety of data formats and proprietary software have been traditionally used, often developed for one specific mission or experiment. Especially for ground-based imaging atmospheric Cherenkov telescopes (IACTs),…

The Gaia Archive provides access to observations of around a billion sky sources. The primary access to this archive is via TAP services such as GACS and ARI-Gaia, which allow execution of SQL-like queries against a large remote database…

Instrumentation and Methods for Astrophysics · Physics 2016-11-29 M. B. Taylor , G. Mantelet , M. Demleitner

MAGIC is a system of two Imaging Atmospheric Cherenkov Telescopes located in the Canary island of La Palma, Spain. During summer 2011 and 2012 it underwent a series of upgrades, involving the exchange of the MAGIC-I camera and its trigger…

Instrumentation and Methods for Astrophysics · Physics 2015-02-23 MAGIC Collaboration , J. Aleksic , S. Ansoldi , L. A. Antonelli , P. Antoranz , A. Babic , P. Bangale , M. Barcelo , J. A. Barrio , J. Becerra Gonzalez , W. Bednarek , E. Bernardini , B. Biasuzzi , A. Biland , M. Bitossi , O. Blanch , S. Bonnefoy , G. Bonnoli , F. Borracci , T. Bretz , E. Carmona , A. Carosi , R. Cecchi , P. Colin , E. Colombo , J. L. Contreras , D. Corti , J. Cortina , S. Covino , P. Da Vela , F. Dazzi , A. De Angelis , G. De Caneva , B. De Lotto , E. de Ona Wilhelmi , C. Delgado Mendez , A. Dettlaff , D. Dominis Prester , D. Dorner , M. Doro , S. Einecke , D. Eisenacher , D. Elsaesser , D. Fidalgo , D. Fink , M. V. Fonseca , L. Font , K. Frantzen , C. Fruck , D. Galindo , R. J. Garcia Lopez , M. Garczarczyk , D. Garrido Terrats , M. Gaug , G. Giavitto , N. Godinovic , A. Gonzalez Munoz , S. R. Gozzini , W. Haberer , D. Hadasch , Y. Hanabata , M. Hayashida , J. Herrera , D. Hildebrand , J. Hose , D. Hrupec , W. Idec , J. M. Illa , V. Kadenius , H. Kellermann , M. L. Knoetig , K. Kodani , Y. Konno , J. Krause , H. Kubo , J. Kushida , A. La Barbera , D. Lelas , J. L. Lemus , N. Lewandowska , E. Lindfors , S. Lombardi , F. Longo , M. Lopez , R. Lopez-Coto , A. Lopez-Oramas , A. Lorca , E. Lorenz , I. Lozano , M. Makariev , K. Mallot , G. Maneva , N. Mankuzhiyil , K. Mannheim , L. Maraschi , B. Marcote , M. Mariotti , M. Martinez , D. Mazin , U. Menzel , J. M. Miranda , R. Mirzoyan , A. Moralejo , P. Munar-Adrover , D. Nakajima , M. Negrello , V. Neustroev , A. Niedzwiecki , K. Nilsson , K. Nishijima , K. Noda , R. Orito , A. Overkemping , S. Paiano , M. Palatiello , D. Paneque , R. Paoletti , J. M. Paredes , X. Paredes-Fortuny , M. Persic , J. Poutanen , P. G. Prada Moroni , E. Prandini , I. Puljak , R. Reinthal , W. Rhode , M. Ribo , J. Rico , J. Rodriguez Garcia , S. Rugamer , T. Saito , K. Saito , K. Satalecka , V. Scalzotto , V. Scapin , C. Schultz , J. Schlammer , S. Schmidl , T. Schweizer , S. N. Shore , A. Sillanpaa , J. Sitarek , I. Snidaric , D. Sobczynska , F. Spanier , A. Stamerra , T. Steinbring , J. Storz , M. Strzys , L. Takalo , H. Takami , F. Tavecchio , L. A. Tejedor , P. Temnikov , T. Terzic , D. Tescaro , M. Teshima , J. Thaele , O. Tibolla , D. F. Torres , T. Toyama , A. Treves , P. Vogler , H. Wetteskind , M. Will , R. Zanin

The Italian AGILE space mission, with its Gamma-Ray Imaging Detector (GRID) instrument sensitive in the 30 MeV-50 GeV gamma-ray energy band, has been operating since 2007. Agilepy is an open-source Python package to analyse AGILE/GRID data.…

Instrumentation and Methods for Astrophysics · Physics 2023-02-09 A. Bulgarelli , L. Baroncelli , A. Addis , N. Parmiggiani , A. Aboudan , A. Di Piano , V. Fioretti , M. Tavani , C. Pittori , F. Lucarelli , F. Verrecchia

Airborne gamma-ray surveys are useful for many applications, ranging from geology and mining to public health and nuclear security. In all these contexts, the ability to decompose a measured spectrum into a linear combination of background…

Data Analysis, Statistics and Probability · Physics 2020-06-24 M. S. Bandstra , T. H. Y. Joshi , K. J. Bilton , A. Zoglauer , B. J. Quiter

The paper describes the different methods, used in the MAGIC experiment, to unfold experimental energy distributions of cosmic ray particles (gamma-rays). Questions and problems related to the unfolding are discussed. Various procedures are…

Astrophysics · Physics 2008-11-26 The MAGIC Collaboration , J. Albert

DADApy is a python software package for analysing and characterising high-dimensional data manifolds. It provides methods for estimating the intrinsic dimension and the probability density, for performing density-based clustering and for…

Since the universe is not transparent to gamma rays with energies above around one hundred GeV, it is necessary to account for the interaction of high-energy photons with intergalactic radiation fields in order to model gamma-ray…

High Energy Astrophysical Phenomena · Physics 2025-05-16 Antonio Capanema , Carlos Blanco

We have developed MGGPOD, a user-friendly suite of Monte Carlo codes built around the widely used GEANT (Version 3.21) package. The MGGPOD Monte Carlo suite and documentation are publicly available for download. MGGPOD is an ideal tool for…

Astrophysics · Physics 2007-05-23 G. Weidenspointner , M. Harris , C. Ferguson , S. Sturner , B. Teegarden , C. Wunderer