Evidence for gamma-ray emission from the remnant of Kepler's supernova based on 
deep H.E.S.S. observations

H.E.S.S. Collaboration; Aharonian, F.; Benkhali, F. Ait; Anguner, E. O.; Ashkar, H.; Backes, M.; Barbosa Martins, V.; Batzofin, R.; Becherini, Y.; Berge, D.; Bernloehr, K.; Boettcher, M.; Boisson, C.; Bolmont, J.; de Lavergne, M. de Bony; Breuhaus, M.; Brose, R.; Brun, F.; Bulik, T.; Bylund, T.; Cangemi, F.; Caroff, S.; Casanova, S.; Cerruti, M.; Chand, T.; Chen, A.; Chibueze, O.; Cotter, G.; Cristofari, P.; Mbarubucyeye, J. Damascene; Devin, J.; Djannati-Atai, A.; Dmytriiev, A.; Egberts, K.; Einecke, S.; Ernenwein, J. -P.; Feijen, K.; Fiasson, A.; de Clairfontaine, G. Fichet; Fontaine, G.; Funk, S.; Gabici, S.; Gallant, Y. A.; Ghafourizadeh, S.; Giavitto, G.; Giunti, L.; Glawion, D.; Glicenstein, J. F.; Grondin, M. -H.; Hoerbe, M.; Hofmann, W.; Holch, T. L.; Holler, M.; Horns, D.; Huang, Zhiqiu; Jamrozy, M.; Joshi, V.; Jung-Richardt, I.; Kasai, E.; Katarzynski, K.; Katz, U.; Khelifi, B.; Kluzniak, W.; Komin, Nu.; Kosack, K.; Kostunin, D.; Lemiere, A.; Lemoine-Goumard, M.; Lenain, J. -P.; Leuschner, F.; Lohse, T.; Luashvili, A.; Lypova, I.; Mackey, J.; Malyshev, D.; Malyshev, D.; Marandon, V.; Marchegiani, P.; Marcowith, A.; Marti-Devesa, G.; Marx, R.; Maurin, G.; Meintjes, P. J.; Meyer, M.; Mitchell, A.; Moderski, R.; Mohrmann, L.; Montanari, A.; Moulin, E.; Muller, J.; Nakashima, K.; de Naurois, M.; Nayerhoda, A.; Niemiec, J.; Noel, A. Priyana; O'Brien, P.; Ohm, S.; Olivera-Nieto, L.; Wilhelmi, E. de Ona; Ostrowski, M.; Panny, S.; Panter, M.; Parsons, R. D.; Peron, G.; Poireau, V.; Prokhorov, D. A.; Puehlhofer, G.; Punch, M.; Quirrenbach, A.; Reichherzer, P.; Reimer, A.; Reimer, O.; Renaud, M.; Reville, B.; Rieger, F.; Rowell, G.; Rudak, B.; Ricarte, H. Rueda; Sahakian, V.; Sailer, S.; Salzmann, H.; Sanchez, D. A.; Santangelo, A.; Sasaki, M.; Schafer, J.; Schussler, F.; Schutte, H. M.; Schwanke, U.; Shapopi, J. N. S.; Simoni, R.; Sol, H.; Specovius, A.; Spencer, S.; Stawarz, L.; Steinmassl, S.; Steppa, C.; Sushch, I.; Takahashi, T.; Tanaka, T.; Taylor, A. M.; Terrier, R.; Tsirou, M.; Uchiyama, Y.; Unbehaun, T.; van Eldik, C.; Veh, J.; Vink, J.; Voelk, H. J.; Wagner, S. J.; Werner, F.; White, R.; Wierzcholska, A.; Wong, Yu Wun; Yusafzai, A.; Zacharias, M.; Zargaryan, D.; Zdziarski, A. A.; Zech, A.; Zhu, S. J.; Zouari, S.; Zywucka, N.

doi:10.1051/0004-6361/202243096

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Evidence for gamma-ray emission from the remnant of Kepler's supernova based on deep H.E.S.S. observations

H.E.S.S. Collaboration, Aharonian, F., Benkhali, F. A., Anguner, E. O., Ashkar, H., Backes, M., et al. (2022). Evidence for gamma-ray emission from the remnant of Kepler's supernova based on deep H.E.S.S. observations. Astronomy and Astrophysics, 662: A65. doi:10.1051/0004-6361/202243096.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000C-0316-8 Version Permalink: https://hdl.handle.net/21.11116/0000-000F-2645-9

Genre: Journal Article

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https://www.aanda.org/articles/aa/pdf/2024/03/aa48902e-23.pdf (Supplementary material) Open Access Gold

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https://www.aanda.org/articles/aa/pdf/2022/06/aa43096-22.pdf (Publisher version) Open Access Gold

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Creators:
H.E.S.S. Collaboration, Author
Aharonian, F.¹, Author
Benkhali, F. Ait, Author
Anguner, E. O., Author
Ashkar, H., Author
Backes, M., Author
Barbosa Martins, V. , Author
Batzofin, R., Author
Becherini, Y., Author
Berge, D., Author
Bernloehr, K.¹, Author
Boettcher, M., Author
Boisson, C., Author
Bolmont, J., Author
de Lavergne, M. de Bony, Author
Breuhaus, M., Author
Brose, R., Author
Brun, F., Author
Bulik, T., Author
Bylund, T., Author
Cangemi, F., AuthorCaroff, S., AuthorCasanova, S., AuthorCerruti, M., AuthorChand, T., AuthorChen, A., AuthorChibueze, O., AuthorCotter, G., AuthorCristofari, P., AuthorMbarubucyeye, J. Damascene, AuthorDevin, J., AuthorDjannati-Atai, A., AuthorDmytriiev, A., AuthorEgberts, K., AuthorEinecke, S., AuthorErnenwein, J. -P., AuthorFeijen, K., AuthorFiasson, A., Authorde Clairfontaine, G. Fichet, AuthorFontaine, G., AuthorFunk, S., AuthorGabici, S., AuthorGallant, Y. A., AuthorGhafourizadeh, S., AuthorGiavitto, G., AuthorGiunti, L., AuthorGlawion, D., AuthorGlicenstein, J. F., AuthorGrondin, M. -H., AuthorHoerbe, M., AuthorHofmann, W.², Author         Holch, T. L., AuthorHoller, M., AuthorHorns, D., AuthorHuang, Zhiqiu, AuthorJamrozy, M., AuthorJoshi, V., AuthorJung-Richardt, I., AuthorKasai, E., AuthorKatarzynski, K., AuthorKatz, U., AuthorKhelifi, B., AuthorKluzniak, W., AuthorKomin, Nu., AuthorKosack, K., AuthorKostunin, D., AuthorLemiere, A., AuthorLemoine-Goumard, M., AuthorLenain, J. -P., AuthorLeuschner, F., AuthorLohse, T., AuthorLuashvili, A., AuthorLypova, I., AuthorMackey, J., AuthorMalyshev, D., AuthorMalyshev, D., AuthorMarandon, V.¹, Author         Marchegiani, P., AuthorMarcowith, A., AuthorMarti-Devesa, G., AuthorMarx, R., AuthorMaurin, G., AuthorMeintjes, P. J., AuthorMeyer, M., AuthorMitchell, A., AuthorModerski, R., AuthorMohrmann, L., AuthorMontanari, A., AuthorMoulin, E., AuthorMuller, J., AuthorNakashima, K., Authorde Naurois, M., AuthorNayerhoda, A., AuthorNiemiec, J., AuthorNoel, A. Priyana, AuthorO'Brien, P., AuthorOhm, S., AuthorOlivera-Nieto, L., AuthorWilhelmi, E. de Ona, AuthorOstrowski, M., AuthorPanny, S., AuthorPanter, M., AuthorParsons, R. D., AuthorPeron, G., AuthorPoireau, V., AuthorProkhorov, D. A., AuthorPuehlhofer, G., AuthorPunch, M., AuthorQuirrenbach, A., AuthorReichherzer, P., AuthorReimer, A., AuthorReimer, O., AuthorRenaud, M., AuthorReville, B., AuthorRieger, F., AuthorRowell, G., AuthorRudak, B., AuthorRicarte, H. Rueda, AuthorSahakian, V., AuthorSailer, S., AuthorSalzmann, H., AuthorSanchez, D. A., AuthorSantangelo, A., AuthorSasaki, M., AuthorSchafer, J., AuthorSchussler, F., AuthorSchutte, H. M., AuthorSchwanke, U., AuthorShapopi, J. N. S., AuthorSimoni, R., AuthorSol, H., AuthorSpecovius, A., AuthorSpencer, S., AuthorStawarz, L., AuthorSteinmassl, S., AuthorSteppa, C., AuthorSushch, I., AuthorTakahashi, T., AuthorTanaka, T., AuthorTaylor, A. M., AuthorTerrier, R., AuthorTsirou, M., AuthorUchiyama, Y., AuthorUnbehaun, T., Authorvan Eldik, C., AuthorVeh, J., AuthorVink, J., AuthorVoelk, H. J.³, Author         Wagner, S. J., AuthorWerner, F.¹, Author         White, R., AuthorWierzcholska, A., AuthorWong, Yu Wun, AuthorYusafzai, A., AuthorZacharias, M., AuthorZargaryan, D., AuthorZdziarski, A. A., AuthorZech, A., AuthorZhu, S. J., AuthorZouari, S., AuthorZywucka, N., Author more..

Affiliations:
1Division Prof. Dr. James A. Hinton, MPI for Nuclear Physics, Max Planck Society, ou_2074298
2Prof. Werner Hofmann, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_3188608
3Prof. Heinrich J. Völk, Emeriti, MPI for Nuclear Physics, Max Planck Society, ou_907548

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE

MPINP: HESS - Abteilung Hinton

Abstract: Observations with imaging atmospheric Cherenkov telescopes (IACTs) have
enhanced our knowledge of nearby supernova (SN) remnants with ages younger than
500 years by establishing Cassiopeia A and the remnant of Tycho's SN as
very-high-energy (VHE) gamma-ray sources. The remnant of Kepler's SN, which is
the product of the most recent naked-eye supernova in our Galaxy, is comparable
in age to the other two, but is significantly more distant. If the gamma-ray
luminosities of the remnants of Tycho's and Kepler's SNe are similar, then the
latter is expected to be one of the faintest gamma-ray sources within reach of
the current generation IACT arrays.
Here we report evidence at a statistical level of 4.6 sigma for a VHE signal
from the remnant of Kepler's SN based on deep observations by the High Energy
Stereoscopic System (H.E.S.S.) with an exposure of 152 hours. The measured
integral flux above an energy of 226 GeV is ~0.3% of the flux of the Crab
Nebula. The spectral energy distribution (SED) reveals a gamma-ray emitting
component connecting the VHE emission observed with H.E.S.S. to the emission
observed at GeV energies with Fermi-LAT. The overall SED is similar to that of
the remnant of Tycho's SN, possibly indicating the same non-thermal emission
processes acting in both these young remnants of thermonuclear SNe.

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Dates: Published Online: 2022-06-17

Publication Status: Published online

Pages: Accepted for publication in Astronomy and Astrophysics

Publishing info: -

Table of Contents: -

Rev. Type: -

Identifiers: arXiv: 2201.05839
DOI: 10.1051/0004-6361/202243096
DOI: 10.1051/0004-6361/202348902e

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Title: Astronomy and Astrophysics

Other : Astron. Astrophys.

Source Genre: Journal

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Publ. Info: Les Ulis Cedex A France : EDP Sciences

Pages: - Volume / Issue: 662 Sequence Number: A65 Start / End Page: - Identifier: ISSN: 1432-0746
ISSN: 0004-6361
CoNE: https://pure.mpg.de/cone/journals/resource/954922828219_1