Bruno Khélifi

The H.E.S.S. experiment

The High Energy Stereoscopic System array is located in Namibia and is operated by an european collaboration. Operational since 2002, this instrument permits to observe the TeV sky of the Southern hemisphere. Thanks to its performance, the first catalog of TeV gamma-ray sources has been released in 2018 (A&A 2018 612 A1).

Member of H.E.S.S. since 2002, I contributed to the construction of some equipment (funnels, camera mechanics) and I am responsible for one of the three official data analysis pipelines (HAP-Fr). My research activities are focused on the system pulsar/pulsar wind nebula and on the search for PeVatrons.

The CTA Observatory

The Cherenkov Telescope Array observatory is the next generation for gamma-ray astronomy at very high energy (arXiv:2305.12888). It will have one site per hemisphere. The Northern site is located in the La Palma island (Spain) and will host 13 telescopes to observe gamma rays from 10GeV to 10TeV. The Southern site (illustrated in the above picture) is located in the Atacama desert (Chili) nearby to the ESO Paranal observatory. It will consist on more than 50 telescopes, permitting to detect gamma rays on the full energy range of CTA.

I am participating to CTA since its birth's meeting in 2006 and I am actively contributing to its construction: optics, mechanics and instrumentation of one type of cameras, concepts of calibration and science user support systems, optimisation of telescope layouts, R&D for low-level data reconstruction, data modeling, requirements, science analysis tool for the high-level data, proposal handling website, etc.

GADF

Active member of the open initiative Gamma Astro Data Format (GADF) that is about to be ended.

First common open data format for the high-level very-high-energy gamma-ray data, that has became a standard for the community (.

VODF

Open data format for Very-High-Energy gamma-ray and neutrino astronomy

Initiator and convener of the open initiative Very-high-energy Open Data Format (VODF)

Aims:

• Realisation of a data format that respects the FAIR principles and the FITS standards, following as mush as possible the IVOA standards,
• Supported by 11 astroparticles experiments: ASTRI, CTAO, FACT, Fermi-LAT, HAWC, H.E.S.S., IceCube, KM3NeT, MAGIC, SWGO, VERITAS.

H.E.S.S. first public data release

Active member of the group that has created the dataset and curated the data under the GADF format (ee arXiv:1810.04516 and DOI 10.5281/zenodo.1421098).

Gammapy

A Python package for gamma-ray astronomy

Project manager of the open research software permitting joint analyses of multi-instrument VHE data (see e.g. A&A 667 A36 (2022)), aiming to respect the FAIR4RS principles. Full description: A&A 678 A157 (2023)

Granted by the jury prize in 2022 of the first Open Research Software awards organised by the French ministry of Research (Gammapy award). Selected as core library of the CTAO Science Analysis Tool (see the CTAO press release).

Open Science Community

Member of various groups on data and software, two pillars of the Open Science:

• ambassador of SoftwareHeritage, the universal archive of open software,
• member of the international organisations IVOA (International Virtual Open Association), RDA (Research Data Alliance),
• member of the national organisations ASOV (Action Spécifique Observatoires Virtuels), IN2P3 advisory committee DOP2I (Données Ouvertes Pour les 2 infinis),
• internal Open Science referent in APC and APC representative of the Open Science group of Université Paris Cité.

APC, Paris (France)

Université Paris Cité (France)

To be soon published