English
Related papers

Related papers: Gammapy: present status and future roadmap

200 papers

Spectropolarimetry, the observation of polarization and intensity as a function of wavelength, is a powerful tool in stellar astrophysics. It is particularly useful for characterizing stars and circumstellar material, and for tracing the…

If dark matter is composed of weakly interacting particles with mass in the GeV-TeV range, their annihilation or decay may produce gamma rays that could be detected by gamma-ray telescopes. Observations of dwarf spheroidal satellite…

High Energy Astrophysical Phenomena · Physics 2020-04-30 Javier Rico

Gamma-ray bursts provide what is probably one of the messiest of all astrophysical data sets. Burst class properties are indistinct, as overlapping characteristics of individual bursts are convolved with effects of instrumental and sampling…

We present GalaxAI - a versatile machine learning toolbox for efficient and interpretable end-to-end analysis of spacecraft telemetry data. GalaxAI employs various machine learning algorithms for multivariate time series analyses,…

The Cherenkov Telescope Array (CTA) will be the world's first observatory for detecting gamma-rays from astrophysical phenomena and is now in its prototyping phase with construction expected to begin in 2015/16. In this work we present the…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Cameron B. Rulten , Sam J. Nolan

The Gaia-ESO Public Spectroscopic Survey is an ambitious project designed to obtain astrophysical parameters and elemental abundances for 100,000 stars, including large representative samples of the stellar populations in the Galaxy, and a…

Solar and Stellar Astrophysics · Physics 2022-10-19 G. Gilmore , S. Randich , C. C. Worley , A. Hourihane , A. Gonneau , G. G. Sacco , J. R. Lewis , L. Magrini , P. Francois , R. D. Jeffries , S. E. Koposov , A. Bragaglia , E. J. Alfaro , C. Allende Prieto , R. Blomme , A. J. Korn , A. C. Lanzafame , E. Pancino , A. Recio-Blanco , R. Smiljanic , S. Van Eck , T. Zwitter , T. Bensby , E. Flaccomio , M. J. Irwin , E. Franciosini , L. Morbidelli , F. Damiani , R. Bonito , E. D. Friel , J. S. Vink , L. Prisinzano , U. Abbas , D. Hatzidimitriou , E. V. Held , C. Jordi , E. Paunzen , A. Spagna , R. J. Jackson , J. Maiz Apellaniz , M. Asplund , P. Bonifacio , S. Feltzing , J. Binney , J. Drew , A. M. N. Ferguson , G. Micela , I. Negueruela , T. Prusti , H. -W. Rix , A. Vallenari , M. Bergemann , A. R. Casey , P. de Laverny , A. Frasca , V. Hill , K. Lind , L. Sbordone , S. G. Sousa , V. Adibekyan , E. Caffau , S. Daflon , D. K. Feuillet , M. Gebran , J. I. Gonzalez Hernandez , G. Guiglion , A. Herrero , A. Lobel , T. Merle , S. Mikolaitis , D. Montes , T. Morel , G. Ruchti , C. Soubiran , H. M. Tabernero , G. Tautvaisiene , G. Traven , M. Valentini , M. Van der Swaelmen , S. Villanova , C. Viscasillas Vazquez , A. Bayo , K. Biazzo , G. Carraro , B. Edvardsson , U. Heiter , P. Jofre , G. Marconi , C. Martayan , T. Masseron , L. Monaco , N. A. Walton , S. Zaggia , V. Aguirre Borsen-Koch , J. Alves , L. Balaguer-Nunez , P. S. Barklem , D. Barrado , M. Bellazzini , S. R. Berlanas , A. S. Binks , A. Bressan , R. Capuzzo-Dolcetta , L. Casagrande , L. Casamiquela , R. S. Collins , V. D'Orazi , M. L. L. Dantas , V. P. Debattista , E. Delgado-Mena , P. Di Marcantonio , A. Drazdauskas , N. W. Evans , B. Famaey , M. Franchini , Y. Fremat , X. Fu , D. Geisler , O. Gerhard , E. A. Gonzalez Solares , E. K. Grebel , M. L. Gutierrez Albarran , F. Jimenez-Esteban , H. Jonsson , T. Khachaturyants , G. Kordopatis , J. Kos , N. Lagarde , H. -G. Ludwig , L. Mahy , M. Mapelli , E. Marfil , S. L. Martell , S. Messina , A. Miglio , I. Minchev , A. Moitinho , J. Montalban , M. J. P. F. G. Monteiro , C. Morossi , N. Mowlavi , A. Mucciarelli , D. N. A. Murphy , N. Nardetto , S. Ortolani , F. Paletou , J. Palous , J. C. Pickering , A. Quirrenbach , P. Re Fiorentin , J. I. Read , D. Romano , N. Ryde , N. Sanna , W. Santos , G. M. Seabroke , L. Spina , M. Steinmetz , E. Stonkute , E. Sutorius , F. Thevenin , M. Tosi , M. Tsantaki , N. Wright , R. F. G. Wyse , M. Zoccali , J. Zorec , D. B. Zucker

Nowadays, many scientific areas share the same broad requirements of being able to deal with massive and distributed datasets while, when possible, being integrated with services and applications. In order to solve the growing gap between…

Instrumentation and Methods for Astrophysics · Physics 2011-12-06 M. Brescia , S. Cavuoti , R. D'Abrusco , O. Laurino , G. Longo

For many macromolecular systems the accurate sampling of the relevant regions on the potential energy surface cannot be obtained by a single, long Molecular Dynamics (MD) trajectory. New approaches are required to promote more efficient…

Computational Engineering, Finance, and Science · Computer Science 2016-06-02 Vivekanandan Balasubramanian , Iain Bethune , Ardita Shkurti , Elena Breitmoser , Eugen Hruska , Cecilia Clementi , Charles Laughton , Shantenu Jha

Recent studies have demonstrated that large pretrained language models (LLMs) such as BERT and GPT-2 exhibit biases in token prediction, often inherited from the data distributions present in their training corpora. In response, a number of…

Computation and Language · Computer Science 2025-04-16 Hrishikesh Viswanath , Tianyi Zhang

This paper introduces $\textit{arfpy}$, a python implementation of Adversarial Random Forests (ARF) (Watson et al., 2023), which is a lightweight procedure for synthesizing new data that resembles some given data. The software…

Machine Learning · Statistics 2023-11-14 Kristin Blesch , Marvin N. Wright

High-energy neutrinos originating in astrophysical sources should be accompanied by gamma-rays at production. Depending on the properties of the emission environment and the distance of the source to the Earth, these gamma-rays may be…

High Energy Astrophysical Phenomena · Physics 2023-09-13 Atreya Acharyya , Marcos Santander

One of the targets of the recently launched Fermi Gamma-ray Space Telescope is a diffuse gamma-ray background from dark-matter annihilation or decay in the Galactic halo. N-body simulations and theoretical arguments suggest that the dark…

Astrophysics · Physics 2009-07-22 Samuel K. Lee , Shin'ichiro Ando , Marc Kamionkowski

This paper summarizes recents results in gamma-ray astronomy, most of which were derived with data from ground-based gamma-ray detectors. Many of the contributions presented at this conference involve multiwavelength studies which combine…

Astrophysics · Physics 2007-05-23 Martin Pohl

ASTRA is a Python package that provides a modular, instrument-independent interface for working with high-resolution stellar spectra. Designed to support data from multiple spectrographs, including ESPRESSO (Pepe et al., 2021), HARPS (Mayor…

Instrumentation and Methods for Astrophysics · Physics 2026-01-16 André M. Silva , J. P. Faria , N. C. Santos , S. G. Sousa , P. T. P. Viana , J. H. C. Martins

ScopeSim is a flexible multipurpose instrument data simulation framework built in Python. It enables both raw and reduced observation data to be simulated for a wide range of telescopes and instruments quickly and efficiently on a personal…

Instrumentation and Methods for Astrophysics · Physics 2021-09-29 Kieran Leschinski , Hugo Buddelmeijer , Oliver Czoske , Miguel Verdugo , Gijs Verdoes-Kleijn , Werner Zeilinger

We present the first catalog of very-high energy and ultra-high energy gamma-ray sources detected by the Large High Altitude Air Shower Observatory (LHAASO). The catalog was compiled using 508 days of data collected by the Water Cherenkov…

High Energy Astrophysical Phenomena · Physics 2024-03-05 Zhen Cao , F. Aharonian , Q. An , Axikegu , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , J. T. Cai , Q. Cao , W. Y. Cao , Zhe Cao , J. Chang , J. F. Chang , A. M. Chen , E. S. Chen , Liang Chen , Lin Chen , Long Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , Y. Chen , N. Cheng , Y. D. Cheng , M. Y. Cui , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , D. della Volpe , X. Q. Dong , K. K. Duan , J. H. Fan , Y. Z. Fan , J. Fang , K. Fang , C. F. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. L. Feng , S. Gabici , B. Gao , C. D. Gao , L. Q. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , L. S. Geng , G. Giacinti , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , Y. A. Han , H. H. He , H. N. He , J. Y. He , X. B. He , Y. He , M. Heller , Y. K. Hor , B. W. Hou , C. Hou , X. Hou , H. B. Hu , Q. Hu , S. C. Hu , D. H. Huang , T. Q. Huang , W. J. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Z. C. Huang , X. L. Ji , H. Y. Jia , K. Jia , K. Jiang , X. W. Jiang , Z. J. Jiang , M. Jin , M. M. Kang , T. Ke , D. Kuleshov , K. Kurinov , B. B. Li , Cheng Li , Cong Li , D. Li , F. Li , H. B. Li , H. C. Li , H. Y. Li , J. Li , Jian Li , Jie Li , K. Li , W. L. Li , W. L. Li , X. R. Li , Xin Li , Y. Z. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , H. Liu , H. D. Liu , J. Liu , J. L. Liu , J. Y. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , Y. Liu , Y. N. Liu , R. Lu , Q. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , J. R. Mao , Z. Min , W. Mitthumsiri , H. J. Mu , Y. C. Nan , A. Neronov , Z. W. Ou , B. Y. Pang , P. Pattarakijwanich , Z. Y. Pei , M. Y. Qi , Y. Q. Qi , B. Q. Qiao , J. J. Qin , D. Ruffolo , A. Sáiz , D. Semikoz , C. Y. Shao , L. Shao , O. Shchegolev , X. D. Sheng , F. W. Shu , H. C. Song , Yu. V. Stenkin , V. Stepanov , Y. Su , Q. N. Sun , X. N. Sun , Z. B. Sun , P. H. T. Tam , Q. W. Tang , Z. B. Tang , W. W. Tian , C. Wang , C. B. Wang , G. W. Wang , H. G. Wang , H. H. Wang , J. C. Wang , K. Wang , L. P. Wang , L. Y. Wang , P. H. Wang , R. Wang , W. Wang , X. G. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Y. J. Wang , Z. H. Wang , Z. X. Wang , Zhen Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , C. Y. Wu , H. R. Wu , S. Wu , X. F. Wu , Y. S. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , D. X. Xiao , G. Xiao , G. G. Xin , Y. L. Xin , Y. Xing , Z. Xiong , D. L. Xu , R. F. Xu , R. X. Xu , W. L. Xu , L. Xue , D. H. Yan , J. Z. Yan , T. Yan , C. W. Yang , F. Yang , F. F. Yang , H. W. Yang , J. Y. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , S. B. Yang , Y. H. Yao , Z. G. Yao , Y. M. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Y. H. Yu , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , M. Zha , B. B. Zhang , F. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , L. X. Zhang , Li Zhang , P. F. Zhang , P. P. Zhang , R. Zhang , S. B. Zhang , S. R. Zhang , S. S. Zhang , X. Zhang , X. P. Zhang , Y. F. Zhang , Yi Zhang , Yong Zhang , B. Zhao , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , F. Zheng , B. Zhou , H. Zhou , J. N. Zhou , M. Zhou , P. Zhou , R. Zhou , X. X. Zhou , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , X. Zuo.

Bayesian parameter estimation is fast becoming the language of gravitational-wave astronomy. It is the method by which gravitational-wave data is used to infer the sources' astrophysical properties. We introduce a user-friendly Bayesian…

A large amount of data is produced every second from modern information systems such as mobile devices, the world wide web, Internet of Things, social media, etc. Analysis and mining of this massive data requires a lot of advanced tools and…

Machine Learning · Computer Science 2020-01-13 Rising Odegua , Festus Ikpotokin

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

The field of gamma ray astronomy relies heavily on the statistical analysis of data. Because of the paucity of data, and the often large errors associated with detecting gamma rays, analysis and interpretation of the data require…

Astrophysics · Physics 2007-05-23 W. F. Tompkins