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Post-doctoral position at CPPM (Marseille, France)

to work on the CTA reconstruction pipeline and on the data analysis of first observations with LST1 and MAGIC.

Heide Costantini (
Franca Cassol (

Event Details:

Wednesday, August 31, 2022

The CPPM (Centre de Physique des Particules de Marseille) is a laboratory of the IN2P3 (Institut National de Physique Nucléaire et de Physique des Particules) of the CNRS (Centre National de la Recherche Scientifique), located on the campus of Luminy in Marseille (France). The activities of CPPM are centered on particle physics, astroparticle physics and cosmology. CPPM offers a strong environment in the field of astroparticle physics, being involved both in current (H.E.S.S., ANTARES) and upcoming (CTA, KM3NeT) projects.

The gamma-ray astrophysics group of CPPM participates since several years to the Cherenkov Tele- scope Array (CTA) [1], a project to build the next generation ground-based very high energy gamma-ray observatory. The group is actively involved in the construction of the Medium-Sized-Telescope camera NectarCAM and of the Large-Sized Telescopes (LSTs), for the CTA Northern site in La Palma (Canary Islands). The first LST (LST1) is presently in commissioning phase and early physics observations start to be performed combining data with the nearby MAGIC telescopes. The group works in the preparatory studies for the research of galactic PeVatrons with CTA [2] and has recently focused on the potential of CTA in measuring and characterizing promising PeVatron candidates recently discovered by LHAASO [3] in the Northern hemisphere.

The Postdoc will work on the context of “Early science” studies with CTA. In particular, s/he will contribute to the development of the CTA reconstruction pipeline ( and to the optimization of the stereo reconstruction of the present joint LST1 - MAGIC observation campaign [4][5] which can be considered as a pathfinder for the CTA-North array. The idea is to first contribute to the consolidation of the standard reconstruction pipeline LST1-MAGIC and then to develop an innovative LST1-MAGIC reconstruction with deep learning algorithms (Convolutional Neural Network). The main application of this work will be the analysis of the Supernova Remnant G106.3-2.7, which is presently one of the most promising PeVatron candidate [6]. Joint LST1-MAGIC observations are planned to start in 2023.

Candidates for the position should hold a Ph.D. in Astronomy, Astroparticle Physics or equivalent with less than 5 years of professional experience after the Ph.D. The candidate should have a good back- ground in high-energy astrophysics and programming experience in Python. Experience in Imaging Air Cherenkov Telescope is seen as beneficial.

The position is for 2 years and the appointment will start at earliest on the 1st October 2022. The ap- plication should include a CV, a list of publications and a research statement.

Informal enquiries and applications should be sent to Heide Costantini and Franca Cassol . The candidates should arrange for three reference letters to be sent to the same addresses. The position is open until filled. Full consideration will be given to applications arriving before the 31/08/2022.

[2] E.O. Angüner et al. PoS ICRC2019 ( [3] G. Verna et al., PoS ICRC2021 (
[6] M. Amenomori et al.,Nature Astronomy 5, 460–464 (2021)

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