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Multi-wavelength analysis of the galactic PeVatron candidate LHAASO J2108+5157

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G. Pirola, J. Juryšek, M. Balbo, D. Eckert, A. Tramacere, R. Walter

High Energy Astrophysical Phenomena · Submitted 11 Oct 2023

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim This source makes a promising galactic PeVatron candidate.

how it is stated · hedged possibility 0.69 read the record →

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arXiv ID2310.07603 (version 1)
Pith IDVEJDA6T5, Pith's permanent record of this paper and its review
CitationA. Tramacere, D. Eckert, G. Pirola, J. Jury\v{s}ek, M. Balbo, R. Walter. "Multi-wavelength analysis of the galactic PeVatron candidate LHAASO J2108+5157." arXiv:2310.07603 (2023). https://pith.science/paper/VEJDA6T5
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The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 5,756 input tokens.

What the abstract itself states, as probabilities: claims first 0.04 · states limitation 0.44 · human participants 0.01 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.84 · compares with prior results 0.54 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

LHAASO J2108+5157 is a recently discovered source, detected in the Ultra-High-Energy band by the LHAASO collaboration. Two molecular clouds were identified in the direction coincident with LHAASO J2108+5157 and, from the spectra reported by LHAASO, there is no sign of an energy cutoff up to 200 TeV. This source makes a promising galactic PeVatron candidate. In 2021, the Large-Sized Telescope prototype (LST-1) of the Cherenkov Telescope Array (CTA) Observatory, collected about 50 hours of quality-selected data on LHAASO J2108+5157. Through these observations, we managed to compute stringent upper limits on the source emission in the multi-TeV band. Together with the analysis of XMM-Newton data and 12 years of Fermi-LAT data, we performed a multi-wavelength study of the source, investigating different possible scenarios of particle acceleration. In this contribution, we will present the results of the analysis, as well as the multi-wavelength modeling, and consequent interpretation of different possible scenarios of emission.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 LHAASO J2108+5157 is a recently discovered source, detected in the Ultra-High-Energy band by the LHAASO collaboration. background 0.99 0.10 0.04 asserted 1.00
s1 Two molecular clouds were identified in the direction coincident with LHAASO J2108+5157 and, from the spectra reported by LHAASO, there is no sign of an energy cutoff up to 200 TeV. background 0.51 0.28 0.09 asserted 1.00
s2 This source makes a promising galactic PeVatron candidate. interpretation 0.76 0.15 0.26 hedged possibility 0.69
s3 In 2021, the Large-Sized Telescope prototype (LST-1) of the Cherenkov Telescope Array (CTA) Observatory, collected about 50 hours of quality-selected data on LHAASO J2108+5157. method 0.98 0.58 0.02 asserted 1.00
s4 Through these observations, we managed to compute stringent upper limits on the source emission in the multi-TeV band. result 0.96 0.95 0.10 asserted 1.00
s5 Together with the analysis of XMM-Newton data and 12 years of Fermi-LAT data, we performed a multi-wavelength study of the source, investigating different possible scenarios of particle acceleration. method 0.84 0.91 0.05 asserted 0.99
s6 In this contribution, we will present the results of the analysis, as well as the multi-wavelength modeling, and consequent interpretation of different possible scenarios of emission. contribution 0.94 0.76 0.09 asserted 0.80

What kind of paper the classifier reports this is: empirical study 1.00 · evidence from analysis of existing data 0.57.

What was examined, and what was not

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  • figures and tables
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  • S sections
  • T body sentences
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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

LHAASO J2108+5157 is a recently discovered source, detected in the Ultra-High-Energy band by the LHAASO collaboration. Two molecular clouds were identified in the direction coincident with LHAASO J2108+5157 and, from the spectra reported by LHAASO, there is no sign of an energy cutoff up to 200 TeV. This source makes a promising galactic PeVatron candidate. In 2021, the Large-Sized Telescope prototype (LST-1) of the Cherenkov Telescope Array (CTA) Observatory, collected about 50 hours of quality-selected data on LHAASO J2108+5157. Through these observations, we managed to compute stringent upper limits on the source emission in the multi-TeV band. Together with the analysis of XMM-Newton data and 12 years of Fermi-LAT data, we performed a multi-wavelength study of the source, investigating different possible scenarios of particle acceleration. In this contribution, we will present the results of the analysis, as well as the multi-wavelength modeling, and consequent interpretation of different possible scenarios of emission.

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