Pith. sign in

REVIEW 3 major objections 5 minor 168 references

The paper argues that the TeV glow in the Swift J1834–0846/W41 region is best explained by two engines: a hadronic supernova remnant and a leptonic magnetar wind nebula whose energy budget forces a birth spin period under 0.2 seconds.

Reviewed by Pith at T0; open to challenge. T0 means a machine referee read the full paper against a public rubric. the ladder, T0–T4 →

Challenge this review Re-run · record.json Download PDF Read on arXiv ↗

T0 review · deepseek-v4-flash

2026-08-02 02:19 UTC pith:6R7SOXU7

load-bearing objection A careful SED fitting paper whose central magnetar claim rests on a morphological hint that the data never test, and the abstract oversells the P0 constraint. the 3 major comments →

arxiv 2607.14356 v1 pith:6R7SOXU7 submitted 2026-07-15 astro-ph.HE astro-ph.SRhep-ph

Multiwavelength study of non-thermal emission in the Swift J1834.9-0846/W41 region

Manoel F. Sousa , Rita C. Dos Anjos , Vitor de Souza This is my paper
classification astro-ph.HE astro-ph.SRhep-ph
keywords Swift J1834–0846magnetar wind nebulasupernova remnant W41TeV gamma rayshadronic and leptonic emissioncosmic-ray accelerationbroadband SED modeling
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper tries to establish which physical processes produce the very-high-energy gamma rays from the Swift J1834–0846/W41 region. It shows that a purely leptonic model for the supernova remnant would require a magnetic field of only about 2 microgauss, far below what is typical for such objects, while a mixed lepto-hadronic model gives roughly 40 microgauss and energy budgets consistent with efficient cosmic-ray acceleration. If the TeV source is split into an extended component plus a central point-like excess, the extended emission is dominated by proton–proton collisions in the remnant and its surrounding molecular cloud, and the central excess is best described by inverse-Compton radiation from a magnetar wind nebula. Powering that nebula with rotational energy requires the magnetar to have been born spinning with a period below about 0.2 seconds. The authors further show that a 30-hour observation with the next-generation Cherenkov array can distinguish the two morphologies and extend spectral measurements beyond 10 TeV.

Core claim

The central claim is that the broadband radio-to-TeV spectrum of the region can be explained by a lepto-hadronic supernova remnant, with protons accelerated at the shock and producing gamma rays through neutral-pion decay, plus, in the preferred two-component morphology, a leptonic magnetar wind nebula centered on Swift J1834–0846. The nebula's inferred electron energy of roughly 5×10^47 erg cannot be supplied by the magnetar's present spin-down over its characteristic age unless the initial spin-down timescale was very short, 8–25 years, implying an initial spin period P0 ≲ 0.2 s; if the true age is instead about 60 kyr, the bound relaxes to P0 ≲ 0.3 s. The paper also argues that purely lep

What carries the argument

The load-bearing machinery is simultaneous Markov-chain Monte Carlo fitting of an exponentially cutoff broken power law for electrons and an exponentially cutoff power law for protons against radio, X-ray, GeV, and TeV data, under two alternative spatial assumptions. In the two-component scenario, the central point-like TeV source is assigned to the magnetar wind nebula, and the requirement that its electron energy budget be supplied by spin-down energy converts the fitted spectrum into a constraint on the magnetar's initial spin period.

Load-bearing premise

The central point-like TeV component is real, separate, and physically tied to the magnetar wind nebula; the data so far show only hints of that two-component structure, and every magnetar-specific conclusion collapses if the decomposition is wrong.

What would settle it

A 30-hour observation with the next-generation Cherenkov array that resolves HESS J1834–087 as a single smooth extended source with no central point-source excess would falsify the two-component scenario and with it the P0 ≲ 0.2 s claim; alternatively, a measured proper motion for Swift J1834–0846 much larger than about 100 km/s would contradict a shared 60–200 kyr age with W41.

Watch this falsifier — get emailed when new claim-graph text bears on it.

If this is right

  • If the lepto-hadronic picture holds, W41 is an efficient cosmic-ray accelerator with roughly 10^50 erg in relativistic protons, matching the canonical 10% of supernova kinetic energy.
  • A purely leptonic interpretation of the remnant is disfavored because it would imply a magnetic field near 2 microgauss and a spectral break inconsistent with standard synchrotron cooling.
  • In the two-component scenario, the extended TeV emission is hadronic while the central excess is leptonic, making Swift J1834–0846 the first magnetar wind nebula with a TeV counterpart.
  • The inferred fast birth spin, P0 ≲ 0.2 s, supports magnetar formation models that predict initial rotation periods of milliseconds to tens of milliseconds.
  • A 30-hour exposure with the next-generation Cherenkov array should detect the region at high significance, resolve the point-like versus extended morphology, and constrain the proton cutoff beyond 10 TeV.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • The P0 ≲ 0.2 s result should be read as conditional on the two-component morphology, which the paper itself describes as only hinted; if future observations resolve a single smooth source, the magnetar-nebula and fast-spin conclusions lose their foundation.
  • A natural extension is to apply the same SED-fitting machinery to other magnetar wind nebula candidates; if TeV-bright magnetar nebulae generally require short birth spins, that would turn a single-object inference into a population statement about magnetar formation.
  • A decisive side test is measuring the proper motion of Swift J1834–0846: if it is truly coeval with a 60–200 kyr remnant, its transverse velocity must be nearly zero, whereas a large proper motion would break the association and with it the age and spin arguments.
  • If fast birth spins are confirmed, magnetar birth becomes a potential source of gravitational-wave bursts, a consequence the paper does not model.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit.

Referee Report

3 major / 5 minor

Summary. The paper models the broadband (radio-to-TeV) spectral energy distribution of the Swift J1834–0846/W41 region with MCMC sampling in the Naima framework, testing purely leptonic and lepto-hadronic particle distributions under two assumed TeV morphologies: a single extended source and a two-component configuration with an extended SNR component plus a central point-like MWN component. In the single-source scenario the authors find leptonic models disfavored by the very low magnetic fields they require, and lepto-hadronic models preferred on energetic grounds, although the BIC differences among Kep variants are explicitly inconclusive (ΔBIC≈0.44, P≈0.55). In the two-component scenario, they argue that the extended TeV emission is hadronic while the central excess is leptonic, with an inferred electron energy of ~5×10^47 erg implying an initial spin period of P0≲0.2 s for the magnetar. The paper closes with CTAO simulations showing that 30 h exposures could distinguish the two morphological configurations and extend the spectrum beyond ~10 TeV. The manuscript is careful in places—it states that the two-component structure is only hinted and that the current data do not uniquely favor one scenario—but the abstract and several conclusions present the two-component/MWN interpretation more firmly than the supporting analysis warrants.

Significance. If the two-component interpretation were established, this would be the first TeV-bright magnetar wind nebula and would connect the fitted MWN electron population to a fast birth spin for Swift J1834–0846; the CTAO simulations also provide a concrete, falsifiable observational test. The paper's strengths are its use of public analysis tools (Naima, Gammapy, public H.E.S.S./Fermi data), its explicit reporting of BIC values and parameter uncertainties, and the fact that the CTAO predictions are quantitative and testable. However, the central claim is conditional on a morphological decomposition that is assumed rather than statistically established, and the P0 inference is a derived quantity that depends sensitively on assumed spin-down timescales and ages. The paper would be valuable if these load-bearing caveats are addressed either by an explicit test of the point-like component or by a substantial reframing of the conclusions.

major comments (3)
  1. [§1 and §3 (Table 1)] The two-component morphology is assumed, not tested. The paper itself describes the central point-like component as only a 'hint' (§1, citing H.E.S.S. Collaboration et al. 2015), and the BIC comparisons in Table 1 are only between Kep variants within each morphological scenario. There is no likelihood or TS test comparing the single-source model to the two-component model, and no test of whether the point-like component is statistically required by the H.E.S.S. data. Since all MWN-specific conclusions (We≈5×10^47 erg, P0≲0.2 s) are derived from this assumed decomposition, the central claim is conditional on an unvalidated morphological assumption. I request either an explicit statistical test of the point-like component using the available data, or a clear statement in the abstract and conclusions that the two-component results are conditional and not preferred by current data.
  2. [§4.2] The claimed short initial spin period is not an independent prediction. The value P0≲0.2 s is obtained by equating the fitted electron energy We≈5×10^47 erg with the total rotational energy released under an assumed initial spin-down timescale of τ0≈8–25 yr. The same section shows that adopting τ0≈10^3 yr and an assumed age of 60 kyr yields P0≲0.3 s. The age assumption is also uncertain because the magnetar's characteristic age is 4.9 kyr while the remnant age is taken as ~60 kyr. Thus the P0 constraint is degenerate with model assumptions and cannot be presented as a robust implication of the data; a sensitivity analysis or a clearly labeled 'illustrative' statement is needed.
  3. [§4.2 and Table 1] For the point-like MWN component, only a leptonic model is fitted; no hadronic or lepto-hadronic alternative is considered for this component. The statement that the central excess is 'well described by a leptonic magnetar wind nebula' is therefore not the result of model comparison—it is the only model attempted. The BIC for this model is reported but not contrasted with any alternative. To support the conclusion, the authors should fit an alternative model for the point-like component (e.g., a hadronic compact source) or explicitly state that the leptonic MWN interpretation is assumed, not demonstrated.
minor comments (5)
  1. [§4.1] In the discussion of the leptonic spectral break, the text reads '∆Γ e ,1'; this appears to be a typo and should likely read 'ΔΓ e ≠ 1' or similar.
  2. [Table 1] The point-like MWN entry lists Ee,cut = 679.5 +336.6/−519.1 TeV, which is an unusually high value. Please check this number and, if correct, discuss its physical meaning in the context of B≈6 µG and IC-dominated emission.
  3. [Figure 2 caption] The phrase 'as a single source TeV' is awkward; rephrase, e.g., 'in the single-source TeV scenario.'
  4. [§2] The X-ray photon index is denoted Γγ, which conflicts with the gamma-ray notation used elsewhere. Use Γ_X or Γ_ph for the X-ray index.
  5. [§3] The paper does not state the MCMC convergence diagnostics or the number of walkers/steps. Adding a brief description of the sampling setup would improve reproducibility.

Circularity Check

0 steps flagged

No significant circularity: the modeling is a self-contained SED fit and the CTAO simulations are forward-modeled from explicitly stated inputs.

full rationale

The paper's derivation chain is not circular. The broadband SED is fit with external radiative formalisms (Naima, Rybicki & Lightman, Kelner et al.) to radio-to-TeV data, and the resulting particle spectra, magnetic fields, and energy budgets are fit outputs, not inputs. The two-component TeV morphology is explicitly taken from H.E.S.S. 2015 as a 'hint' and a scenario, not derived from the authors' own model; the paper repeatedly states that current data do not uniquely favor one scenario and that CTAO will be decisive. The P0≲0.2 s inference is conditional on stated assumptions about the initial spin-down timescale (τ0~8-25 yr) and characteristic age; the paper also shows that assuming τ0~10^3 yr with a 60 kyr age gives P0≲0.3 s. This is parameter-dependent model inference, not a fitted quantity renamed as a prediction. The CTAO simulations are forward models that adopt H.E.S.S. spatial templates as input, so the claim that CTAO can discriminate between the assumed configurations is a simulation capability statement, not a validation of the two-component model. The only self-citation (Padilha & Anjos 2025) appears in a general list of SNR acceleration references and is not load-bearing. No quoted equation or fitted parameter reduces by construction to an input, and no uniqueness theorem or ansatz is smuggled through self-citation. Correctness risks—such as the unvalidated two-component morphological assumption and the age discrepancy—are acknowledged in the text and belong to model robustness, not circularity.

Axiom & Free-Parameter Ledger

9 free parameters · 8 axioms · 0 invented entities

The paper introduces no new physical entity; the MWN is an established source class and the two-component scenario is a morphological interpretation of an existing TeV source. All central numbers (B, W_e, W_p, P0) are outputs of fitting one-zone radiative models to published fluxes, conditioned on adopted distance, densities, photon fields, and the assumed morphological decomposition. The P0 'prediction' is not a standalone observable; it is the value required to close the energy budget.

free parameters (9)
  • Electron normalization Φ0,e = implicit; W_e = 0.005–1.5×10^50 erg across models
    MCMC free normalization; sets synchrotron and IC flux levels.
  • Electron spectral indices Γe1, Γe2 = e.g., MWN: 1.77, 3.59; SNR K_ep=1e-2: 2.19, 2.28
    Shape the broadband SED; fitted by MCMC.
  • Electron break and cutoff energies (Eb, Ee,cut) = Eb=0.05–7.08 TeV; Ee,cut=1.42–679.5 TeV
    Fitted cooling-break and cutoff; Table 1 errors are large.
  • Proton normalization Φ0,p (via K_ep) = K_ep = 1e-1, 1e-2, 1e-3 grid; W_p = 0.13–3.15×10^50 erg
    Proton flux normalization set by chosen K_ep and the hadronic fit.
  • Proton spectral index Γp and cutoff Ep,cut = Γp≈2.16–2.36; Ep,cut≈13–315 TeV
    Fitted parameters controlling the GeV–TeV hadronic spectrum.
  • Magnetic field B = 2–70 μG depending on scenario
    Derived from the synchrotron fit; the very low leptonic B is used to reject those models.
  • Ambient gas density n = 6 cm^-3
    Adopted from Tian et al. 2007; W_p scales inversely with n, so the energy budget depends on it.
  • FIR/NIR target photon energy densities = u_FIR=0.5 eV cm^-3 (25 K); u_NIR=1.0 eV cm^-3 (3000 K)
    Adopted from Torres 2017; IC fluxes and inferred B depend linearly on these.
  • Initial spin-down timescale τ0 = 10^3 yr (standard) or 8–25 yr (short), plus age 4.9 or 60 kyr
    Hand-chosen; drives the P0 estimate and the claimed energy-budget consistency.
axioms (8)
  • standard math Standard radiative formulas for synchrotron, inverse Compton, and pp→π0→γγ emission are correct.
    Used throughout §3 to compute SEDs from particle distributions.
  • domain assumption Emission from each region is one-zone, homogeneous, steady-state, with a constant magnetic field and a single broken power-law electron spectrum (ECBPL) and power-law proton spectrum (ECPL).
    §3; no spatial gradients or time evolution; the SED is fit in a single zone.
  • ad hoc to paper The two-component morphological decomposition of HESS J1834-087 (central point-like source + extended emission) is real, and the point-like source is associated with the magnetar/MWN.
    §1 and §4.2: the paper itself cites only 'hints' from H.E.S.S. 2015; this decomposition is the basis of the MWN scenario and P0 inference.
  • domain assumption The adopted distance 4.2 kpc, ambient gas density 6 cm^-3, and FIR/NIR photon fields (25 K/0.5 eV cm^-3, 3000 K/1.0 eV cm^-3) are correct and fixed.
    §3; all fluxes, luminosities and the IC/hadronic yields scale with these; no systematic errors are propagated.
  • domain assumption Particle acceleration occurs via diffusive shock acceleration in SNR W41 and at the magnetar wind termination shock, producing the assumed injection spectra.
    §3; the hadronic scenario requires DSA to accelerate protons to ~50 TeV in an old SNR; escape/cooling arguments are invoked to soften the age tension.
  • domain assumption The magnetar's spin-down (possibly supplemented by bursts) is the energy source for the MWN electron population; the dipole spin-down formula and assumed τ0 apply.
    §4.2; the P0 constraint is computed from this energy budget, not from a direct measurement.
  • domain assumption In the SNR scenario the MWN X-ray flux can be used as an upper limit on SNR synchrotron; in the MWN scenario the SNR radio fluxes are upper limits for MWN synchrotron.
    §3; this cross-use of a different source's flux as an upper limit is conservative but affects the allowed electron normalizations.
  • domain assumption The magnetar's characteristic age (4.9 kyr) may underestimate its true age (~60 kyr) due to non-constant torque history, as assumed in the second energy-budget calculation.
    §2/§4.2; necessary to make spin-down with τ0~10^3 yr supply W_e; supported only by analogy with PSR B1757-24, not by direct evidence for this source.

pith-pipeline@v1.3.0-alltime-deepseek · 30859 in / 21094 out tokens · 195720 ms · 2026-08-02T02:19:14.485487+00:00 · methodology

0 comments
read the original abstract

We investigate the origin of non-thermal emission from the Swift J1834-0846/W41 region by modeling its broadband spectral energy distribution from radio to TeV energies within leptonic and lepto-hadronic frameworks using Markov Chain Monte Carlo sampling. Motivated by morphological studies of HESS J1834-087 suggesting a two-component TeV structure, we explore a single extended source scenario and a configuration comprising a central point-like component embedded within extended emission. Purely leptonic models are disfavored in both scenarios by unrealistically low magnetic field strengths, whereas lepto-hadronic solutions yield field intensities and non-thermal energy budgets consistent with an evolved supernova remnant undergoing efficient cosmic-ray acceleration. In the two-component scenario, hadronic interactions dominate the extended TeV emission from W41, while the central excess is well described by a leptonic magnetar wind nebula powered by Swift J1834-0846, implying a short initial spin period of $P_0 \lesssim 0.2$ s. Simulated observations with the Cherenkov Telescope Array Observatory show that 30 h exposures will discriminate between the two morphological configurations and extend spectral measurements beyond $\sim$10 TeV.

Figures

Figures reproduced from arXiv: 2607.14356 by Manoel F. Sousa, Rita C. dos Anjos, Vitor de Souza.

Figure 1
Figure 1. Figure 1: H.E.S.S. VHE gamma-ray significance map of the region surround [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: Multi-band SED of the region of the magnetar Swift J1834–0846 in the SNR scenario as a single source TeV, considering the total emission observed by [PITH_FULL_IMAGE:figures/full_fig_p005_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: Multi-band SED of the region around Swift J1834–0846 assuming a two-component VHE morphology: an extended SNR component and a central [PITH_FULL_IMAGE:figures/full_fig_p008_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: Combined SEDs of the best-fit models for the region around Swift J1834–0846, assuming a two-component VHE morphology consisting of an extended [PITH_FULL_IMAGE:figures/full_fig_p010_4.png] view at source ↗
Figure 5
Figure 5. Figure 5: Upper panels: Simulated CTAO maps of the VHE gamma-ray excess toward the Swift J1834–0846 [PITH_FULL_IMAGE:figures/full_fig_p011_5.png] view at source ↗

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Reference graph

Works this paper leans on

168 extracted references · 101 linked inside Pith

  1. [1]

    VERITAS: the Very Energetic Radiation Imaging Telescope Array System , journal =

    T.C Weekes and H Badran and S.D Biller and I Bond and S Bradbury and J Buckley and D Carter-Lewis and M Catanese and S Criswell and W Cui and P Dowkontt and C Duke and D.J Fegan and J Finley and L Fortson and J Gaidos and G.H Gillanders and J Grindlay and T.A Hall and K Harris and A.M Hillas and P Kaaret and M Kertzman and D Kieda and F Krennrich and M.J ...

    2002

  2. [2]

    The MAGIC gamma-ray observatory , journal =

    Daniel Ferenc , abstract =. The MAGIC gamma-ray observatory , journal =. 2005 , note =. doi:https://doi.org/10.1016/j.nima.2005.08.085 , url =

    doi:10.1016/j.nima.2005.08.085 2005

  3. [3]

    Advances in Space Research , year = 2014, month =

    HAWC: A next-generation all-sky gamma-ray telescope. Advances in Space Research , year = 2014, month =. doi:10.1016/j.asr.2013.03.016 , adsurl =

    doi:10.1016/j.asr.2013.03.016 2014

  4. [4]

    Abdollahi and F

    S. Abdollahi and F. Acero and L. Baldini and J. Ballet and D. Bastieri and R. Bellazzini and B. Berenji and A. Berretta and E. Bissaldi and R. D. Blandford and E. Bloom and R. Bonino and A. Brill and R. J. Britto and P. Bruel and T. H. Burnett and S. Buson and R. A. Cameron and R. Caputo and P. A. Caraveo and D. Castro and S. Chaty and C. C. Cheung and G....

  5. [5]

    Acero and M

    F. Acero and M. Ackermann and M. Ajello and A. Albert and W. B. Atwood and M. Axelsson and L. Baldini and J. Ballet and G. Barbiellini and D. Bastieri and A. Belfiore and R. Bellazzini and E. Bissaldi and R. D. Blandford and E. D. Bloom and J. R. Bogart and R. Bonino and E. Bottacini and J. Bregeon and R. J. Britto and P. Bruel and R. Buehler and T. H. Bu...

  6. [6]

    Ackermann and M

    M. Ackermann and M. Ajello and W. B. Atwood and L. Baldini and J. Ballet and G. Barbiellini and D. Bastieri and J. Becerra Gonzalez and R. Bellazzini and E. Bissaldi and R. D. Blandford and E. D. Bloom and R. Bonino and E. Bottacini and T. J. Brandt and J. Bregeon and P. Bruel and R. Buehler and S. Buson and G. A. Caliandro and R. A. Cameron and R. Caputo...

  7. [7]

    Ajello and W

    M. Ajello and W. B. Atwood and L. Baldini and J. Ballet and G. Barbiellini and D. Bastieri and R. Bellazzini and E. Bissaldi and R. D. Blandford and E. D. Bloom and R. Bonino and J. Bregeon and R. J. Britto and P. Bruel and R. Buehler and S. Buson and R. A. Cameron and R. Caputo and M. Caragiulo and P. A. Caraveo and E. Cavazzuti and C. Cecchi and E. Char...

  8. [8]

    37th International Cosmic Ray Conference , year = 2022, month = mar, eid =

    Detection methods for the Cherenkov Telescope Array at very-short exposure times. 37th International Cosmic Ray Conference , year = 2022, month = mar, eid =. doi:10.22323/1.395.0694 , archivePrefix =. 2108.04504 , primaryClass =

    Pith/arXiv arXiv 2022

  9. [9]

    2024 , eprint=

    A gamma ray study of Galactic PeVatron candidates LHAASO J1825-1236 and J1839-0545 , author=. 2024 , eprint=

    2024

  10. [10]

    , keywords =

    Phase Separation in Ultramassive White Dwarfs. , keywords =. doi:10.3847/1538-4357/ac1513 , archivePrefix =. 2107.07094 , primaryClass =

    Pith/arXiv arXiv

  11. [12]

    Survey of the Inner Galaxy in Very High Energy Gamma Rays

    The H.E.S.S. Survey of the Inner Galaxy in Very High Energy Gamma Rays. , keywords =. doi:10.1086/498013 , archivePrefix =. astro-ph/0510397 , primaryClass =

    Pith/arXiv arXiv

  12. [13]

    , keywords =

    3FHL: The Third Catalog of Hard Fermi-LAT Sources. , keywords =. doi:10.3847/1538-4365/aa8221 , archivePrefix =. 1702.00664 , primaryClass =

    Pith/arXiv arXiv

  13. [14]

    , keywords =

    2FHL: The Second Catalog of Hard Fermi-LAT Sources. , keywords =. doi:10.3847/0067-0049/222/1/5 , archivePrefix =. 1508.04449 , primaryClass =

    Pith/arXiv arXiv

  14. [15]

    , keywords =

    Incremental Fermi Large Area Telescope Fourth Source Catalog. , keywords =. doi:10.3847/1538-4365/ac6751 , archivePrefix =. 2201.11184 , primaryClass =

    Pith/arXiv arXiv

  15. [16]

    arXiv e-prints , keywords =

    Fermi Large Area Telescope Fourth Source Catalog Data Release 4 (4FGL-DR4). arXiv e-prints , keywords =. doi:10.48550/arXiv.2307.12546 , archivePrefix =. 2307.12546 , primaryClass =

    Pith/arXiv arXiv doi:10.48550/arxiv.2307.12546

  16. [17]

    , keywords =

    Fermi Large Area Telescope Third Source Catalog. , keywords =. doi:10.1088/0067-0049/218/2/23 , archivePrefix =. 1501.02003 , primaryClass =

    Pith/arXiv arXiv

  17. [18]

    , keywords =

    Extended VHE -ray emission towards SGR1806-20, LBV 1806-20, and stellar cluster Cl* 1806-20. , keywords =. doi:10.1051/0004-6361/201628695 , archivePrefix =. 1606.05404 , primaryClass =

    Pith/arXiv arXiv

  18. [19]

    Galactic plane survey

    The H.E.S.S. Galactic plane survey. , keywords =. doi:10.1051/0004-6361/201732098 , archivePrefix =. 1804.02432 , primaryClass =

    Pith/arXiv arXiv

  19. [20]

    IEEE Transactions on Automatic Control , keywords =

    A New Look at the Statistical Model Identification. IEEE Transactions on Automatic Control , keywords =

  20. [21]

    , keywords =

    Gammapy: A Python package for gamma-ray astronomy. , keywords =. doi:10.1051/0004-6361/202346488 , archivePrefix =. 2308.13584 , primaryClass =

    Pith/arXiv arXiv

  21. [22]

    doi:10.5281/zenodo.17814297 , url =

    Acero, Fabio and Aguasca-Cabot, Arnau and Barrios-Jiménez, Luis and Arnesen, Tora Therese Høiland and Batt, Anushka and Bernete, Juan and Biederbeck, Noah and Buchner, Johannes and Bylund, Tomas and Djuvsland, Julia and Donath, Axel and Emery, Gabriel and Egg, Katharina and Feijen, Kirsty and Fröse, Stefan and Galelli, Claudio and Gréaux, Lucas and Khélif...

  22. [23]

    , keywords =

    Background modelling in very-high-energy -ray astronomy. , keywords =. doi:10.1051/0004-6361:20066674 , archivePrefix =. astro-ph/0610959 , primaryClass =

    Pith/arXiv arXiv

  23. [24]

    , keywords =

    Analysis methods for results in gamma-ray astronomy. , keywords =. doi:10.1086/161295 , adsurl =

    doi:10.1086/161295

  24. [25]

    doi:10.5281/zenodo.5499840 , url =

    CTAO Instrument Response Functions - prod5 version v0.1 , month = sep, year = 2021, publisher =. doi:10.5281/zenodo.5499840 , url =

    doi:10.5281/zenodo.5499840 2021

  25. [26]

    Nuovo Cimento C Geophysics Space Physics C , year = 2017, month = may, volume =

    GRBs as multimessenger sources. Nuovo Cimento C Geophysics Space Physics C , year = 2017, month = may, volume =. doi:10.1393/ncc/i2017-17126-2 , adsurl =

    doi:10.1393/ncc/i2017-17126-2 2017

  26. [27]

    Frontiers in Astronomy and Space Sciences , keywords =

    Multimessenger Search for the Sources of Cosmic Rays using Cosmic Neutrinos. Frontiers in Astronomy and Space Sciences , keywords =. doi:10.3389/fspas.2019.00032 , adsurl =

    arXiv 2019

  27. [28]

    , keywords =

    Cosmic rays from pulsars and magnetars. , keywords =. doi:10.1111/j.1745-3933.2010.00874.x , archivePrefix =. 1005.1003 , primaryClass =

    arXiv 2010

  28. [29]

    , keywords =

    The First LHAASO Catalog of Gamma-Ray Sources. , keywords =. doi:10.3847/1538-4365/acfd29 , archivePrefix =. 2305.17030 , primaryClass =

    arXiv

  29. [30]

    , keywords =

    A Catalog of the Highest-energy Cosmic Rays Recorded during Phase I of Operation of the Pierre Auger Observatory. , keywords =. doi:10.3847/1538-4365/aca537 , adsurl =

    doi:10.3847/1538-4365/aca537

  30. [31]

    , keywords =

    Constraining models for the origin of ultra-high-energy cosmic rays with a novel combined analysis of arrival directions, spectrum, and composition data measured at the Pierre Auger Observatory. , keywords =. doi:10.1088/1475-7516/2024/01/022 , archivePrefix =. 2305.16693 , primaryClass =

    Pith/arXiv arXiv 2024

  31. [32]

    Nature Astronomy , keywords =

    Massive stars as major factories of Galactic cosmic rays. Nature Astronomy , keywords =. doi:10.1038/s41550-019-0724-0 , archivePrefix =. 1804.02331 , primaryClass =

    Pith/arXiv arXiv

  32. [33]

    , keywords =

    Massive star cluster origin for the galactic cosmic ray population at very-high energies. , keywords =. doi:10.1093/mnras/stac3469 , archivePrefix =. 2211.11625 , primaryClass =

    Pith/arXiv arXiv

  33. [34]

    , keywords =

    The origin of galactic cosmic rays. , keywords =. doi:10.1007/s00159-013-0070-7 , archivePrefix =. 1311.7346 , primaryClass =

    Pith/arXiv arXiv

  34. [35]

    , keywords =

    Magnetars as powering sources of gamma-ray burst associated supernovae, and unsupervized clustering of cosmic explosions. , keywords =. doi:10.1093/mnras/stae901 , archivePrefix =. 2403.18076 , primaryClass =

    Pith/arXiv arXiv

  35. [36]

    European Physical Journal Web of Conferences , year = 2023, series =

    UHECR results of combined analyses of TA and Auger experiments. European Physical Journal Web of Conferences , year = 2023, series =. doi:10.1051/epjconf/202328004001 , adsurl =

    arXiv 2023

  36. [37]

    Annual Review of Nuclear and Particle Science , keywords =

    Ultra-High-Energy Gamma-Ray Astronomy. Annual Review of Nuclear and Particle Science , keywords =. doi:10.1146/annurev-nucl-112822-025357 , archivePrefix =. 2310.01744 , primaryClass =

    Pith/arXiv arXiv

  37. [38]

    , keywords =

    Formation of Very Strongly Magnetized Neutron Stars: Implications for Gamma-Ray Bursts. , keywords =. doi:10.1086/186413 , adsurl =

    doi:10.1086/186413

  38. [39]

    Radiative mechanism for outbursts

    The soft gamma repeaters as very strongly magnetized neutron stars - I. Radiative mechanism for outbursts. , keywords =. doi:10.1093/mnras/275.2.255 , adsurl =

    doi:10.1093/mnras/275.2.255

  39. [40]

    , keywords =

    Binary Coalescences as Sources of Ultrahigh-Energy Cosmic Rays. , keywords =. doi:10.1103/PhysRevLett.132.091401 , archivePrefix =. 2307.06200 , primaryClass =

    Pith/arXiv arXiv

  40. [41]

    doi:10.1142/10986 , adsurl =

    Science with the Cherenkov Telescope Array. doi:10.1142/10986 , adsurl =

    doi:10.1142/10986

  41. [42]

    W. B. Atwood and A. A. Abdo and M. Ackermann and W. Althouse and B. Anderson and M. Axelsson and L. Baldini and J. Ballet and D. L. Band and G. Barbiellini and J. Bartelt and D. Bastieri and B. M. Baughman and K. Bechtol and D. Bédérède and F. Bellardi and R. Bellazzini and B. Berenji and G. F. Bignami and D. Bisello and E. Bissaldi and R. D. Blandford an...

    2009

  42. [43]

    The Astrophysical Journal , keywords =

    X-Ray Observations of the New Unusual Magnetar Swift J1834.9-0846. The Astrophysical Journal , keywords =. doi:10.1088/0004-637X/748/1/26 , archivePrefix =. 1201.1894 , primaryClass =

    Pith/arXiv arXiv

  43. [44]

    Monthly Notices of the Royal Astronomical Society , keywords =

    Learning about the magnetar Swift J1834.9-0846 from its wind nebula. Monthly Notices of the Royal Astronomical Society , keywords =. doi:10.1093/mnras/stw2554 , archivePrefix =. 1608.06994 , primaryClass =

    Pith/arXiv arXiv

  44. [45]

    The Astronomical Journal , keywords =

    The Distances of SNR W41 and Overlapping H II Regions. The Astronomical Journal , keywords =. doi:10.1088/0004-6256/135/1/167 , archivePrefix =. 0708.3377 , primaryClass =

    Pith/arXiv arXiv

  45. [46]

    The Astrophysical Journal , keywords =

    On the Origin of TeV Gamma-Ray Emission from HESS J1834-087. The Astrophysical Journal , keywords =. doi:10.1088/0004-637X/691/2/1707 , archivePrefix =. 0810.1605 , primaryClass =

    Pith/arXiv arXiv

  46. [47]

    The Astrophysical Journal Letters , keywords =

    VLA and XMM-Newton Observations of the SNR W41/TeV Gamma-Ray Source HESS J1834-087. The Astrophysical Journal Letters , keywords =. doi:10.1086/512544 , archivePrefix =. astro-ph/0612296 , primaryClass =

    Pith/arXiv arXiv

  47. [48]

    The Astrophysical Journal , keywords =

    The Prelude to and Aftermath of the Giant Flare of 2004 December 27: Persistent and Pulsed X-Ray Properties of SGR 1806-20 from 1993 to 2005. The Astrophysical Journal , keywords =. doi:10.1086/507459 , archivePrefix =. astro-ph/0602402 , primaryClass =

    Pith/arXiv arXiv 2004

  48. [49]

    Monthly Notices of the Royal Astronomical Society , keywords =

    A downward revision to the distance of the 1806-20 cluster and associated magnetar from Gemini Near-Infrared Spectroscopy. Monthly Notices of the Royal Astronomical Society , keywords =. doi:10.1111/j.1745-3933.2008.00453.x , archivePrefix =. 0802.0815 , primaryClass =

    arXiv 2008

  49. [50]

    dos Anjos and Jaziel G

    Rita C. dos Anjos and Jaziel G. Coelho and Jonas P. Pereira and Fernando Catalani , title =. Journal of Cosmology and Astroparticle Physics , abstract =. 2021 , month =. doi:10.1088/1475-7516/2021/10/023 , url =

    doi:10.1088/1475-7516/2021/10/023 2021

  50. [51]

    Coelho and Luana N

    Jaziel G. Coelho and Luana N. Padilha and Rita C. dos Anjos and Cynthia V. Ventura and Geanderson A. Carvalho , title =. 2022 , month =. doi:10.1088/1475-7516/2022/10/041 , url =

    doi:10.1088/1475-7516/2022/10/041 2022

  51. [52]

    , keywords =

    Suzaku Observations of SGR1900+14 and SGR1806-20. , keywords =. doi:10.1093/pasj/61.sp1.S387 , archivePrefix =. 0808.3846 , primaryClass =

    Pith/arXiv arXiv

  52. [53]

    , keywords =

    The McGill Magnetar Catalog. , keywords =. doi:10.1088/0067-0049/212/1/6 , archivePrefix =. 1309.4167 , primaryClass =

    Pith/arXiv arXiv

  53. [54]

    Reports on Progress in Physics , keywords =

    Physics of strongly magnetized neutron stars. Reports on Progress in Physics , keywords =. doi:10.1088/0034-4885/69/9/R03 , archivePrefix =. astro-ph/0606674 , primaryClass =

    Pith/arXiv arXiv

  54. [55]

    Advances in Space Research , year = 2011, month = apr, volume =

    The multi-wavelength properties of Anomalous X-ray Pulsars and Soft Gamma-ray Repeaters. Advances in Space Research , year = 2011, month = apr, volume =. doi:10.1016/j.asr.2010.08.031 , adsurl =

    doi:10.1016/j.asr.2010.08.031 2011

  55. [56]

    , keywords =

    Proper Motions and Origins of SGR 1806-20 and SGR 1900+14. , keywords =. doi:10.1088/0004-637X/761/1/76 , archivePrefix =. 1210.8151 , primaryClass =

    Pith/arXiv arXiv 1900

  56. [57]

    , keywords =

    An exceptionally bright flare from SGR 1806-20 and the origins of short-duration -ray bursts. , keywords =. doi:10.1038/nature03519 , archivePrefix =. astro-ph/0502329 , primaryClass =

    Pith/arXiv arXiv

  57. [58]

    , keywords =

    The Nature of a Cosmic-Ray Accelerator, CTB37B, Observed with Suzaku and Chandra. , keywords =. doi:10.1093/pasj/61.sp1.S197 , archivePrefix =. 0808.2339 , primaryClass =

    Pith/arXiv arXiv

  58. [59]

    GRB Coordinates Network , year = 2011, month = jan, volume =

    GRB 110807A: Swift detection of a burst or a posible new Sgr. GRB Coordinates Network , year = 2011, month = jan, volume =

    2011

  59. [60]

    Science , keywords =

    A New Population of Very High Energy Gamma-Ray Sources in the Milky Way. Science , keywords =. doi:10.1126/science.1108643 , archivePrefix =. astro-ph/0504380 , primaryClass =

    Pith/arXiv arXiv

  60. [61]

    , keywords =

    Inverse Compton Emission from Galactic Supernova Remnants: Effect of the Interstellar Radiation Field. , keywords =. doi:10.1086/507770 , archivePrefix =. astro-ph/0607344 , primaryClass =

    Pith/arXiv arXiv

  61. [62]

    1509.03319 , adsurl =

    naima: a Python package for inference of relativistic particle energy distributions from observed nonthermal spectra , year = 2015, journal =. 1509.03319 , adsurl =

    Pith/arXiv arXiv 2015

  62. [63]

    Galaxies , year = 2023, month = mar, volume =

    Challenges of This Century in High-Density Compact Objects, High-Energy Astrophysics, and Multi-Messenger Observations: Quo Vadis?. Galaxies , year = 2023, month = mar, volume =. doi:10.3390/galaxies11020048 , adsurl =

    doi:10.3390/galaxies11020048 2023

  63. [64]

    , keywords =

    Fermi Large Area Telescope observations of the supernova remnant HESS J1731-347. , keywords =. doi:10.1051/0004-6361/201322737 , archivePrefix =. 1405.4888 , primaryClass =

    Pith/arXiv arXiv

  64. [65]

    , keywords =

    Evolution of High-energy Particle Distribution in Mature Shell-type Supernova Remnants. , keywords =. doi:10.3847/1538-4357/834/2/153 , archivePrefix =. 1611.07564 , primaryClass =

    Pith/arXiv arXiv

  65. [66]

    , keywords =

    Modeling the Multi-Wavelength Emission of the Shell-type Supernova Remnant RX J1713.7-3946. , keywords =. doi:10.1088/0004-637X/735/2/120 , archivePrefix =. 1011.0145 , primaryClass =

    Pith/arXiv arXiv

  66. [67]

    , keywords =

    Gamma-Ray Observations of the Supernova Remnant RX J0852.0-4622 with the Fermi Large Area Telescope. , keywords =. doi:10.1088/2041-8205/740/2/L51 , archivePrefix =. 1109.4658 , primaryClass =

    Pith/arXiv arXiv 2041

  67. [68]

    , keywords =

    The acceleration of cosmic rays in shock fronts - I. , keywords =. doi:10.1093/mnras/182.2.147 , adsurl =

    doi:10.1093/mnras/182.2.147

  68. [69]

    10 ^ 14 to 10 ^ 18 eV

    Cosmic Rays from the Knee to the Second Knee:. 10 ^ 14 to 10 ^ 18 eV. Modern Physics Letters A , keywords =. doi:10.1142/S0217732307024139 , archivePrefix =. astro-ph/0611387 , primaryClass =

    Pith/arXiv arXiv

  69. [70]

    , keywords =

    An unusual supernova in the error box of the -ray burst of 25 April 1998. , keywords =. doi:10.1038/27150 , archivePrefix =. astro-ph/9806175 , primaryClass =

    Pith/arXiv arXiv 1998

  70. [71]

    , keywords =

    Energy Spectrum and Chemical Composition of Ultrahigh Energy Cosmic Rays from Semi-relativistic Hypernovae. , keywords =. doi:10.1088/0004-637X/746/1/40 , archivePrefix =. 1111.6256 , primaryClass =

    Pith/arXiv arXiv

  71. [72]

    IAU General Assembly , year = 2015, volume =

    Mopra CO-line observation towards SNR CTB37B. IAU General Assembly , year = 2015, volume =

    2015

  72. [73]

    Cosmic Rays and Particle Physics

  73. [74]

    , keywords =

    Gamma rays from cosmic rays in supernova remnants. , keywords =. doi:10.1051/0004-6361/201220394 , archivePrefix =. 1210.8071 , primaryClass =

    Pith/arXiv arXiv

  74. [75]

    Planets, Stars and Stellar Systems

    Gamma-Ray Emission of Supernova Remnants and the Origin of Galactic Cosmic Rays , author=. Planets, Stars and Stellar Systems. Volume 5: Galactic Structure and Stellar Populations , volume=

  75. [76]

    , keywords =

    Energy Partition between Energetic Electrons and Turbulent Magnetic Field in Supernova Remnant RX J1713.7-3946. , keywords =. doi:10.1088/0004-637X/773/2/138 , archivePrefix =. 1306.4399 , primaryClass =

    Pith/arXiv arXiv

  76. [77]

    , keywords =

    On the Foundation of Equipartition in Supernova Remnants. , keywords =. doi:10.3847/1538-4357/aaac2d , archivePrefix =. 1801.10422 , primaryClass =

    Pith/arXiv arXiv

  77. [78]

    , keywords =

    The Wind Nebula around Magnetar Swift J1834.9-0846. , keywords =. doi:10.3847/0004-637X/824/2/138 , archivePrefix =. 1604.06472 , primaryClass =

    Pith/arXiv arXiv

  78. [79]

    , keywords =

    Rotationally Powered Magnetar Nebula around Swift J1834.9-0846. , keywords =. doi:10.3847/1538-4357/835/1/54 , archivePrefix =. 1612.02835 , primaryClass =

    Pith/arXiv arXiv

  79. [80]

    , keywords =

    MAGPIS: A Multi-Array Galactic Plane Imaging Survey. , keywords =. doi:10.1086/503253 , adsurl =

    doi:10.1086/503253

  80. [81]

    , keywords =

    The Bolocam Galactic Plane Survey: Survey Description and Data Reduction. , keywords =. doi:10.1088/0067-0049/192/1/4 , archivePrefix =. 1011.0691 , primaryClass =

    Pith/arXiv arXiv

Showing first 80 references.