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Synchrotron processes, the radiative processes associated with the interaction of energetic charged particles with magnetic field, are of interest in many areas in astronomy, from the interstellar medium to extreme environments near compact…

SpectraPy is an Astropy affiliated package for spectroscopic data reduction. It collects algorithms and methods for data reduction of astronomical spectra obtained by through-slits spectrographs. It has been created to fill the gap in…

Instrumentation and Methods for Astrophysics · Physics 2023-02-10 Marco Fumana

In Patil et. al 2024a, we developed a multitaper power spectrum estimation method, mtNUFFT, for analyzing time-series with quasi-regular spacing, and showed that it not only improves upon the statistical issues of the Lomb-Scargle…

Solar and Stellar Astrophysics · Physics 2024-05-30 Aarya A. Patil , Gwendolyn M. Eadie , Joshua S. Speagle , David J. Thomson

The direct detection and characterization of planetary and substellar companions at small angular separations is a rapidly advancing field. Dedicated high-contrast imaging instruments deliver unprecedented sensitivity, enabling detailed…

Earth and Planetary Astrophysics · Physics 2019-01-25 Tomas Stolker , Markus J. Bonse , Sascha P. Quanz , Adam Amara , Gabriele Cugno , Alexander J. Bohn , Anna Boehle

We present the easy-to-use, publicly available, Python package petitRADTRANS, built for the spectral characterization of exoplanet atmospheres. The code is fast, accurate, and versatile; it can calculate both transmission and emission…

Earth and Planetary Astrophysics · Physics 2019-07-23 P. Mollière , J. P. Wardenier , R. van Boekel , Th. Henning , K. Molaverdikhani , I. A. G. Snellen

We present an all-sky map of the synchrotron spectral index and curvature between 45 and 2300 MHz at a resolution of 1 degree calculated from a combination of numerous partial sky empirical measurements. We employ a least-squares parametric…

Astrophysics of Galaxies · Physics 2026-04-08 Melis O. Irfan , Giuseppe Puglisi

We present an investigation of the horizon and its effect on global 21-cm observations and analysis. We find that the horizon cannot be ignored when modeling low frequency observations. Even if the sky and antenna beam are known exactly,…

Cosmology and Nongalactic Astrophysics · Physics 2021-12-15 Neil Bassett , David Rapetti , Keith Tauscher , Bang D. Nhan , David D. Bordenave , Joshua J. Hibbard , Jack O. Burns

We present a new software pipeline -- PyMorph -- for automated estimation of structural parameters of galaxies. Both parametric fits through a two dimensional bulge disk decomposition as well as structural parameter measurements like…

Instrumentation and Methods for Astrophysics · Physics 2015-05-19 Vinu Vikram , Yogesh Wadadekar , Ajit K. Kembhavi , G. V. Vijayagovindan

We present the pulsar_spectra software repository, an open-source pulsar flux density catalogue and automated spectral fitting software that finds the best spectral model and produces publication-quality plots. The Python-based software…

High Energy Astrophysical Phenomena · Physics 2022-11-09 N. A. Swainston , C. P. Lee , S. J. McSweeney , N. D. R. Bhat

We present an improvement of the phase distance correlation (PDC) periodogram to account for uncertainties in the time-series data. The PDC periodogram introduced in our previous papers is based on the statistical concept of distance…

Instrumentation and Methods for Astrophysics · Physics 2024-06-19 Avraham Binnenfeld , Sahar Shahaf , Shay Zucker

Python has become a popular programming language because of its excellent programmability. Many modern software packages utilize Python for high-level algorithm design and depend on native libraries written in C/C++/Fortran for efficient…

Programming Languages · Computer Science 2021-07-02 Jialiang Tan , Yu Chen , Zhenming Liu , Bin Ren , Shuaiwen Leon Song , Xipeng Shen , Xu Liu

The freud Python package is a powerful library for analyzing simulation data. Written with modern simulation and data analysis workflows in mind, freud provides a Python interface to fast, parallelized C++ routines that run efficiently on…

We present a robust analysis code developed in the Python language and incorporating libraries of the ROOT data analysis framework for the state-of-the-art mass spectrometry method called phase-imaging ion-cyclotron-resonance (PI-ICR). A…

Computational Physics · Physics 2021-07-28 Jonas Karthein , Dinko Atanasov , Klaus Blaum , David Lunney , Vladimir Manea , Maxime Mougeot

We present the pyKLIP-CHARIS post-processing pipeline, a Python library that reduces high contrast imaging data for the CHARIS integral field spectrograph used with the SCExAO project on the Subaru Telescope. The pipeline is a part of the…

Instrumentation and Methods for Astrophysics · Physics 2023-09-11 Minghan Chen , Jason J. Wang , Timothy D. Brandt , Thayne Currie , Julien Lozi , Jeffrey Chilcote , Maria Vincent

5G is the next-generation cellular network technology, with the goal of meeting the critical demand for bandwidth required to accommodate a high density of users. It employs flexible architectures to accommodate the high density. 5G is…

Networking and Internet Architecture · Computer Science 2022-03-31 Barak Gahtan

ArchNEMESIS is an open-source Python package developed for the analysis of remote sensing spectroscopic observations of planetary atmospheres. It is based on the widely used NEMESIS radiative transfer and retrieval tool, which has been…

Instrumentation and Methods for Astrophysics · Physics 2025-07-29 Juan Alday , Joseph Penn , Patrick G. J. Irwin , Jonathon P. Mason , Jingxuan Yang

This paper introduces ASCENT (context Aware Spectrum Coexistence Design and Implementation) toolset, an advanced context-aware terrestrial satellite spectrum sharing toolset designed for researchers, policymakers, and regulators. It serves…

Systems and Control · Electrical Eng. & Systems 2024-02-19 Ta-seen Reaz Niloy , Saurav Kumar , Aniruddha Hore , Zoheb Hassan , Carl Dietrich , Eric W. Burger , Jeffrey H. Reed , Vijay K. Shah

The Python package teareduce has been developed to support teaching activities related to the reduction of astronomical data. Specifically, it serves as instructional material for students participating in practical classes on the…

Instrumentation and Methods for Astrophysics · Physics 2026-01-30 Nicolás Cardiel , Sergio Pascual , María Chillarón-Víctor , Cristina Cabello , Jesús Gallego , Jaime Zamorano , María Teresa Ceballos

We are on the verge of a revolutionary era in space exploration, thanks to advancements in telescopes such as the James Webb Space Telescope (\textit{JWST}). High-resolution, high signal-to-noise spectra from exoplanet and brown dwarf…

Instrumentation and Methods for Astrophysics · Physics 2024-07-25 Ehsan , Gharib-Nezhad , Natasha E. Batalha , Hamed Valizadegan , Miguel J. S. Martinho , Mahdi Habibi , Gopal Nookula

We present a Python package, pwv_kpno, that provides models for the atmospheric transmission due to precipitable water vapor (PWV) at user specified sites. Using the package, ground-based photometric observations taken between $3,000$ and…

Instrumentation and Methods for Astrophysics · Physics 2019-01-23 Daniel Perrefort , W. M. Wood-Vasey , K. Azalee Bostroem , Kirk Gilmore , Richard Joyce , Charles Corson