Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud

A. Acharyya; R. Adam; A. Aguasca-Cabot; I. Agudo; A. Aguirre-Santaella; J. Alfaro; R. Aloisio; R.A. Batista; E. Amato; E.O. Angüner; C. Aramo; C. Arcaro; K. Asano; J. Aschersleben; H. Ashkar; M. Backes; A. Baktash; C. Balazs; M. Balbo; J. Ballet; A. Bamba; A. B. Larriva; V. B. Martins; U. Barres de Almeida; J. A. Barrio; D. Bastieri; P. Batista; I. Batkovic; J. R. Baxter; J. B. González; J. B. Tjus; W. Benbow; E. Bernardini; M. I. Martín; J. B. Medrano; A. Berti; B. Bertucci; V. Beshley; P. Bhattacharjee; S. Bhattacharyya; C. Bigongiari; A. Biland; E. Bissaldi; F. Bocchino; P. Bordas; J. Borkowski; E. Bottacini; M. Böttcher; F. Bradascio; A. M. Brown; M. Filipovic; N. Tothill; null et al

doi:10.1093/mnras/stad1576

Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud

A. Acharyya, R. Adam, A. Aguasca-Cabot, I. Agudo, A. Aguirre-Santaella, J. Alfaro, R. Aloisio, R.A. Batista, E. Amato, E.O. Angüner, C. Aramo, C. Arcaro, K. Asano, J. Aschersleben, H. Ashkar, M. Backes, A. Baktash, C. Balazs, M. Balbo, J. BalletA. Bamba, A. B. Larriva, V. B. Martins, U. Barres de Almeida, J. A. Barrio, D. Bastieri, P. Batista, I. Batkovic, J. R. Baxter, J. B. González, J. B. Tjus, W. Benbow, E. Bernardini, M. I. Martín, J. B. Medrano, A. Berti, B. Bertucci, V. Beshley, P. Bhattacharjee, S. Bhattacharyya, C. Bigongiari, A. Biland, E. Bissaldi, F. Bocchino, P. Bordas, J. Borkowski, E. Bottacini, M. Böttcher, F. Bradascio, A. M. Brown, M. Filipovic, N. Tothill, et al

Western Sydney University

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Abstract

A deep survey of the Large Magellanic Cloud at ∼0.1-100 TeV photon energies with the Cherenkov Telescope Array is planned. We assess the detection prospects based on a model for the emission of the galaxy, comprising the four known TeV emitters, mock populations of sources, and interstellar emission on galactic scales. We also assess the detectability of 30 Doradus and SN 1987A, and the constraints that can be derived on the nature of dark matter. The survey will allow for fine spectral studies of N 157B, N 132D, LMC P3, and 30 Doradus C, and half a dozen other sources should be revealed, mainly pulsar-powered objects. The remnant from SN 1987A could be detected if it produces cosmic-ray nuclei with a flat power-law spectrum at high energies, or with a steeper index 2.3-2.4 pending a flux increase by a factor of >3-4 over ∼2015-2035. Large-scale interstellar emission remains mostly out of reach of the survey if its >10 GeV spectrum has a soft photon index ∼2.7, but degree-scale 0.1-10 TeV pion-decay emission could be detected if the cosmic-ray spectrum hardens above >100 GeV. The 30 Doradus star-forming region is detectable if acceleration efficiency is on the order of 1−10 per cent of the mechanical luminosity and diffusion is suppressed by two orders of magnitude within <100 pc. Finally, the survey could probe the canonical velocity-averaged cross-section for self-annihilation of weakly interacting massive particles for cuspy Navarro-Frenk-White profiles.

Original language	English
Pages (from-to)	5353-5387
Number of pages	35
Journal	Monthly Notices of the Royal Astronomical Society
Volume	523
Issue number	4
DOIs	https://doi.org/10.1093/mnras/stad1576
Publication status	Published - 2023

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Acharyya, A., Adam, R., Aguasca-Cabot, A., Agudo, I., Aguirre-Santaella, A., Alfaro, J., Aloisio, R., Batista, R. A., Amato, E., Angüner, E. O., Aramo, C., Arcaro, C., Asano, K., Aschersleben, J., Ashkar, H., Backes, M., Baktash, A., Balazs, C., Balbo, M., ... et al (2023). Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 523(4), 5353-5387. https://doi.org/10.1093/mnras/stad1576

@article{4a0b687a4985467390360cf9f1f09edd,

title = "Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud",

abstract = "A deep survey of the Large Magellanic Cloud at ∼0.1-100 TeV photon energies with the Cherenkov Telescope Array is planned. We assess the detection prospects based on a model for the emission of the galaxy, comprising the four known TeV emitters, mock populations of sources, and interstellar emission on galactic scales. We also assess the detectability of 30 Doradus and SN 1987A, and the constraints that can be derived on the nature of dark matter. The survey will allow for fine spectral studies of N 157B, N 132D, LMC P3, and 30 Doradus C, and half a dozen other sources should be revealed, mainly pulsar-powered objects. The remnant from SN 1987A could be detected if it produces cosmic-ray nuclei with a flat power-law spectrum at high energies, or with a steeper index 2.3-2.4 pending a flux increase by a factor of >3-4 over ∼2015-2035. Large-scale interstellar emission remains mostly out of reach of the survey if its >10 GeV spectrum has a soft photon index ∼2.7, but degree-scale 0.1-10 TeV pion-decay emission could be detected if the cosmic-ray spectrum hardens above >100 GeV. The 30 Doradus star-forming region is detectable if acceleration efficiency is on the order of 1−10 per cent of the mechanical luminosity and diffusion is suppressed by two orders of magnitude within <100 pc. Finally, the survey could probe the canonical velocity-averaged cross-section for self-annihilation of weakly interacting massive particles for cuspy Navarro-Frenk-White profiles.",

author = "A. Acharyya and R. Adam and A. Aguasca-Cabot and I. Agudo and A. Aguirre-Santaella and J. Alfaro and R. Aloisio and R.A. Batista and E. Amato and E.O. Ang{\"u}ner and C. Aramo and C. Arcaro and K. Asano and J. Aschersleben and H. Ashkar and M. Backes and A. Baktash and C. Balazs and M. Balbo and J. Ballet and A. Bamba and Larriva, {A. B.} and Martins, {V. B.} and {Barres de Almeida}, U. and Barrio, {J. A.} and D. Bastieri and P. Batista and I. Batkovic and Baxter, {J. R.} and Gonz{\'a}lez, {J. B.} and Tjus, {J. B.} and W. Benbow and E. Bernardini and Mart{\'i}n, {M. I.} and Medrano, {J. B.} and A. Berti and B. Bertucci and V. Beshley and P. Bhattacharjee and S. Bhattacharyya and C. Bigongiari and A. Biland and E. Bissaldi and F. Bocchino and P. Bordas and J. Borkowski and E. Bottacini and M. B{\"o}ttcher and F. Bradascio and Brown, {A. M.} and M. Filipovic and N. Tothill and {et al}",

year = "2023",

doi = "10.1093/mnras/stad1576",

language = "English",

volume = "523",

pages = "5353--5387",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "4",

}

Acharyya, A, Adam, R, Aguasca-Cabot, A, Agudo, I, Aguirre-Santaella, A, Alfaro, J, Aloisio, R, Batista, RA, Amato, E, Angüner, EO, Aramo, C, Arcaro, C, Asano, K, Aschersleben, J, Ashkar, H, Backes, M, Baktash, A, Balazs, C, Balbo, M, Ballet, J, Bamba, A, Larriva, AB, Martins, VB, Barres de Almeida, U, Barrio, JA, Bastieri, D, Batista, P, Batkovic, I, Baxter, JR, González, JB, Tjus, JB, Benbow, W, Bernardini, E, Martín, MI, Medrano, JB, Berti, A, Bertucci, B, Beshley, V, Bhattacharjee, P, Bhattacharyya, S, Bigongiari, C, Biland, A, Bissaldi, E, Bocchino, F, Bordas, P, Borkowski, J, Bottacini, E, Böttcher, M, Bradascio, F, Brown, AM, Filipovic, M , Tothill, N & et al 2023, 'Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud', Monthly Notices of the Royal Astronomical Society, vol. 523, no. 4, pp. 5353-5387. https://doi.org/10.1093/mnras/stad1576

TY - JOUR

T1 - Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud

AU - Acharyya, A.

AU - Adam, R.

AU - Aguasca-Cabot, A.

AU - Agudo, I.

AU - Aguirre-Santaella, A.

AU - Alfaro, J.

AU - Aloisio, R.

AU - Batista, R.A.

AU - Amato, E.

AU - Angüner, E.O.

AU - Aramo, C.

AU - Arcaro, C.

AU - Asano, K.

AU - Aschersleben, J.

AU - Ashkar, H.

AU - Backes, M.

AU - Baktash, A.

AU - Balazs, C.

AU - Balbo, M.

AU - Ballet, J.

AU - Bamba, A.

AU - Larriva, A. B.

AU - Martins, V. B.

AU - Barres de Almeida, U.

AU - Barrio, J. A.

AU - Bastieri, D.

AU - Batista, P.

AU - Batkovic, I.

AU - Baxter, J. R.

AU - González, J. B.

AU - Tjus, J. B.

AU - Benbow, W.

AU - Bernardini, E.

AU - Martín, M. I.

AU - Medrano, J. B.

AU - Berti, A.

AU - Bertucci, B.

AU - Beshley, V.

AU - Bhattacharjee, P.

AU - Bhattacharyya, S.

AU - Bigongiari, C.

AU - Biland, A.

AU - Bissaldi, E.

AU - Bocchino, F.

AU - Bordas, P.

AU - Borkowski, J.

AU - Bottacini, E.

AU - Böttcher, M.

AU - Bradascio, F.

AU - Brown, A. M.

AU - Filipovic, M.

AU - Tothill, N.

AU - et al, null

PY - 2023

Y1 - 2023

N2 - A deep survey of the Large Magellanic Cloud at ∼0.1-100 TeV photon energies with the Cherenkov Telescope Array is planned. We assess the detection prospects based on a model for the emission of the galaxy, comprising the four known TeV emitters, mock populations of sources, and interstellar emission on galactic scales. We also assess the detectability of 30 Doradus and SN 1987A, and the constraints that can be derived on the nature of dark matter. The survey will allow for fine spectral studies of N 157B, N 132D, LMC P3, and 30 Doradus C, and half a dozen other sources should be revealed, mainly pulsar-powered objects. The remnant from SN 1987A could be detected if it produces cosmic-ray nuclei with a flat power-law spectrum at high energies, or with a steeper index 2.3-2.4 pending a flux increase by a factor of >3-4 over ∼2015-2035. Large-scale interstellar emission remains mostly out of reach of the survey if its >10 GeV spectrum has a soft photon index ∼2.7, but degree-scale 0.1-10 TeV pion-decay emission could be detected if the cosmic-ray spectrum hardens above >100 GeV. The 30 Doradus star-forming region is detectable if acceleration efficiency is on the order of 1−10 per cent of the mechanical luminosity and diffusion is suppressed by two orders of magnitude within <100 pc. Finally, the survey could probe the canonical velocity-averaged cross-section for self-annihilation of weakly interacting massive particles for cuspy Navarro-Frenk-White profiles.

AB - A deep survey of the Large Magellanic Cloud at ∼0.1-100 TeV photon energies with the Cherenkov Telescope Array is planned. We assess the detection prospects based on a model for the emission of the galaxy, comprising the four known TeV emitters, mock populations of sources, and interstellar emission on galactic scales. We also assess the detectability of 30 Doradus and SN 1987A, and the constraints that can be derived on the nature of dark matter. The survey will allow for fine spectral studies of N 157B, N 132D, LMC P3, and 30 Doradus C, and half a dozen other sources should be revealed, mainly pulsar-powered objects. The remnant from SN 1987A could be detected if it produces cosmic-ray nuclei with a flat power-law spectrum at high energies, or with a steeper index 2.3-2.4 pending a flux increase by a factor of >3-4 over ∼2015-2035. Large-scale interstellar emission remains mostly out of reach of the survey if its >10 GeV spectrum has a soft photon index ∼2.7, but degree-scale 0.1-10 TeV pion-decay emission could be detected if the cosmic-ray spectrum hardens above >100 GeV. The 30 Doradus star-forming region is detectable if acceleration efficiency is on the order of 1−10 per cent of the mechanical luminosity and diffusion is suppressed by two orders of magnitude within <100 pc. Finally, the survey could probe the canonical velocity-averaged cross-section for self-annihilation of weakly interacting massive particles for cuspy Navarro-Frenk-White profiles.

UR - https://hdl.handle.net/1959.7/uws:74315

U2 - 10.1093/mnras/stad1576

DO - 10.1093/mnras/stad1576

M3 - Article

SN - 0035-8711

VL - 523

SP - 5353

EP - 5387

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 4

ER -

Sensitivity of the Cherenkov Telescope Array to TeV photon emission from the Large Magellanic Cloud

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