Standardized Formats for Gamma-Ray Analysis Applied to HAWC Observatory Data

the HAWC Collaboration

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Resumen

A wide range of data formats and proprietary software have traditionally been used in y-ray astronomy, usually developed for a single specific mission or experiment. However, in recent years there has been an increasing effort towards making astronomical data open and easily accessible. Within the y-ray community this has translated to the creation of a common data format across different y-ray observatories: the "gamma-astro-data-format" (GADF). Based on a similar premise, open-source analysis packages, such as Gammapy, are being developed and aim to provide a single, robust tool which suits the needs of many experiments at once. In this contribution we show that data from the High-Altitude Water Cherenkov (HAWC) observatory can be made compatible with the GADF and present the first GADF-based production of event lists and instrument response functions for a ground-based wide-field instrument. We use these data products to reproduce with excellent agreement the published HAWC Crab spectrum using Gammapy. Having a common data format and analysis tools facilitates joint analysis between different experiments and effective data sharing. This will be especially important for next-generation instruments, such as the proposed Southern Wide-field Gamma-ray Observatory (SWGO) and the planned Cherenkov Telescope Array (CTA).

Idioma originalEnglish
Número de artículo727
PublicaciónProceedings of Science
Volumen395
EstadoPublished - 18 mar 2022
Evento37th International Cosmic Ray Conference, ICRC 2021 - Virtual, Berlin
Duración: 12 jul 202123 jul 2021

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