Buchumschlag

Spectrum and extension of the inverse-Compton emission of the Crab Nebula from a combined Fermi-LAT and H.E.S.S. analysis

Fuente: arXiv
Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Aharonian, F., Benkhali, F. Ait, Aschersleben, J., Ashkar, H., Backes, M., Baktash, A., Martins, V. Barbosa, Batzofin, R., Becherini, Y., Berge, D., Bernlöhr, K., Bi, B., Böttcher, M., Boisson, C., Bolmont, J., de Lavergne, M. de Bony, Borowska, J., Bradascio, F., Breuhaus, M., Brose, R., Brown, A., Brun, F., Bruno, B., Bulik, T., Burger-Scheidlin, C., Bylund, T., Caroff, S., Casanova, S., Cecil, R., Celic, J., Cerruti, M., Chambery, P., Chand, T., Chandra, S., Chen, A., Chibueze, J., Chibueze, O., Cotter, G., Cristofari, P., Devin, J., Djannati-Ataï, A., Djuvsland, J., Dmytriiev, A., Einecke, S., Ernenwein, J. -P., Fegan, S., Feijen, K., Filipović, M., Fontaine, G., Füßling, M., Funk, S., Gabici, S., Gallant, Y. A., Giavitto, G., Glawion, D., Glicenstein, J. F., Glombitza, J., Goswami, P., Grolleron, G., Grondin, M. -H., Haerer, L., Hinton, J. A., Hofmann, W., Holch, T. L., Holler, M., Horns, D., Jamrozy, M., Jankowsky, F., Joshi, V., Kasai, E., Katarzyński, K., Khatoon, R., Khélifi, B., Kluźniak, W., Komin, Nu., Kosack, K., Kostunin, D., Kundu, A., Lang, R. G., Stum, S. Le, Leitl, F., Lemière, A., Lemoine-Goumard, M., Lenain, J. -P., Leuschner, F., Luashvili, A., Mackey, J., Malyshev, D., Marandon, V., Marinos, P., Martí-Devesa, G., Marx, R., Mehta, A., Meyer, M., Mitchell, A., Moderski, R., Mohrmann, L., Montanari, A., Moulin, E., Murach, T., de Naurois, M., Niemiec, J., O'Brien, P., Ohm, S., Olivera-Nieto, L., Wilhelmi, E. de Ona, Ostrowski, M., Panny, S., Panter, M., Parsons, R. D., Peron, G., Prokhorov, D. A., Pühlhofer, G., Punch, M., Quirrenbach, A., Regeard, M., Reichherzer, P., Reimer, A., Reimer, O., Ren, H., Renaud, M., Reville, B., Rieger, F., Roellinghoff, G., Rudak, B., Sahakian, V., Salzmann, H., Sasaki, M., Schüssler, F., Schutte, H. M., Shapopi, J. N. S., Specovius, A., Spencer, S., Stawarz, Ł., Steenkamp, R., Steinmassl, S., Steppa, C., Streil, K., Sushch, I., Suzuki, H., Takahashi, T., Tanaka, T., Terrier, R., Tluczykont, M., Tsuji, N., Unbehaun, T., van Eldik, C., Vecchi, M., Veh, J., Venter, C., Vink, J., Wach, T., Wagner, S. J., Wierzcholska, A., Zacharias, M., Zargaryan, D., Zdziarski, A. A., Zech, A., Zouari, S., Żywucka, N., Harding, A.
Format: Preprint
Veröffentlicht: 2024
Schlagworte:
High Energy Astrophysical Phenomena
Online-Zugang:
Acceder al recurso
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
_version_ 1866914848502185984
author Aharonian, F.
Benkhali, F. Ait
Aschersleben, J.
Ashkar, H.
Backes, M.
Baktash, A.
Martins, V. Barbosa
Batzofin, R.
Becherini, Y.
Berge, D.
Bernlöhr, K.
Bi, B.
Böttcher, M.
Boisson, C.
Bolmont, J.
de Lavergne, M. de Bony
Borowska, J.
Bradascio, F.
Breuhaus, M.
Brose, R.
Brown, A.
Brun, F.
Bruno, B.
Bulik, T.
Burger-Scheidlin, C.
Bylund, T.
Caroff, S.
Casanova, S.
Cecil, R.
Celic, J.
Cerruti, M.
Chambery, P.
Chand, T.
Chandra, S.
Chen, A.
Chibueze, J.
Chibueze, O.
Cotter, G.
Cristofari, P.
Devin, J.
Djannati-Ataï, A.
Djuvsland, J.
Dmytriiev, A.
Einecke, S.
Ernenwein, J. -P.
Fegan, S.
Feijen, K.
Filipović, M.
Fontaine, G.
Füßling, M.
Funk, S.
Gabici, S.
Gallant, Y. A.
Giavitto, G.
Glawion, D.
Glicenstein, J. F.
Glombitza, J.
Goswami, P.
Grolleron, G.
Grondin, M. -H.
Haerer, L.
Hinton, J. A.
Hofmann, W.
Holch, T. L.
Holler, M.
Horns, D.
Jamrozy, M.
Jankowsky, F.
Joshi, V.
Kasai, E.
Katarzyński, K.
Khatoon, R.
Khélifi, B.
Kluźniak, W.
Komin, Nu.
Kosack, K.
Kostunin, D.
Kundu, A.
Lang, R. G.
Stum, S. Le
Leitl, F.
Lemière, A.
Lemoine-Goumard, M.
Lenain, J. -P.
Leuschner, F.
Luashvili, A.
Mackey, J.
Malyshev, D.
Malyshev, D.
Marandon, V.
Marinos, P.
Martí-Devesa, G.
Marx, R.
Mehta, A.
Meyer, M.
Mitchell, A.
Moderski, R.
Mohrmann, L.
Montanari, A.
Moulin, E.
Murach, T.
de Naurois, M.
Niemiec, J.
O'Brien, P.
Ohm, S.
Olivera-Nieto, L.
Wilhelmi, E. de Ona
Ostrowski, M.
Panny, S.
Panter, M.
Parsons, R. D.
Peron, G.
Prokhorov, D. A.
Pühlhofer, G.
Punch, M.
Quirrenbach, A.
Regeard, M.
Reichherzer, P.
Reimer, A.
Reimer, O.
Ren, H.
Renaud, M.
Reville, B.
Rieger, F.
Roellinghoff, G.
Rudak, B.
Sahakian, V.
Salzmann, H.
Sasaki, M.
Schüssler, F.
Schutte, H. M.
Shapopi, J. N. S.
Specovius, A.
Spencer, S.
Stawarz, Ł.
Steenkamp, R.
Steinmassl, S.
Steppa, C.
Streil, K.
Sushch, I.
Suzuki, H.
Takahashi, T.
Tanaka, T.
Terrier, R.
Tluczykont, M.
Tsuji, N.
Unbehaun, T.
van Eldik, C.
Vecchi, M.
Veh, J.
Venter, C.
Vink, J.
Wach, T.
Wagner, S. J.
Wierzcholska, A.
Zacharias, M.
Zargaryan, D.
Zdziarski, A. A.
Zech, A.
Zouari, S.
Żywucka, N.
Harding, A.
author_facet Aharonian, F.
Benkhali, F. Ait
Aschersleben, J.
Ashkar, H.
Backes, M.
Baktash, A.
Martins, V. Barbosa
Batzofin, R.
Becherini, Y.
Berge, D.
Bernlöhr, K.
Bi, B.
Böttcher, M.
Boisson, C.
Bolmont, J.
de Lavergne, M. de Bony
Borowska, J.
Bradascio, F.
Breuhaus, M.
Brose, R.
Brown, A.
Brun, F.
Bruno, B.
Bulik, T.
Burger-Scheidlin, C.
Bylund, T.
Caroff, S.
Casanova, S.
Cecil, R.
Celic, J.
Cerruti, M.
Chambery, P.
Chand, T.
Chandra, S.
Chen, A.
Chibueze, J.
Chibueze, O.
Cotter, G.
Cristofari, P.
Devin, J.
Djannati-Ataï, A.
Djuvsland, J.
Dmytriiev, A.
Einecke, S.
Ernenwein, J. -P.
Fegan, S.
Feijen, K.
Filipović, M.
Fontaine, G.
Füßling, M.
Funk, S.
Gabici, S.
Gallant, Y. A.
Giavitto, G.
Glawion, D.
Glicenstein, J. F.
Glombitza, J.
Goswami, P.
Grolleron, G.
Grondin, M. -H.
Haerer, L.
Hinton, J. A.
Hofmann, W.
Holch, T. L.
Holler, M.
Horns, D.
Jamrozy, M.
Jankowsky, F.
Joshi, V.
Kasai, E.
Katarzyński, K.
Khatoon, R.
Khélifi, B.
Kluźniak, W.
Komin, Nu.
Kosack, K.
Kostunin, D.
Kundu, A.
Lang, R. G.
Stum, S. Le
Leitl, F.
Lemière, A.
Lemoine-Goumard, M.
Lenain, J. -P.
Leuschner, F.
Luashvili, A.
Mackey, J.
Malyshev, D.
Malyshev, D.
Marandon, V.
Marinos, P.
Martí-Devesa, G.
Marx, R.
Mehta, A.
Meyer, M.
Mitchell, A.
Moderski, R.
Mohrmann, L.
Montanari, A.
Moulin, E.
Murach, T.
de Naurois, M.
Niemiec, J.
O'Brien, P.
Ohm, S.
Olivera-Nieto, L.
Wilhelmi, E. de Ona
Ostrowski, M.
Panny, S.
Panter, M.
Parsons, R. D.
Peron, G.
Prokhorov, D. A.
Pühlhofer, G.
Punch, M.
Quirrenbach, A.
Regeard, M.
Reichherzer, P.
Reimer, A.
Reimer, O.
Ren, H.
Renaud, M.
Reville, B.
Rieger, F.
Roellinghoff, G.
Rudak, B.
Sahakian, V.
Salzmann, H.
Sasaki, M.
Schüssler, F.
Schutte, H. M.
Shapopi, J. N. S.
Specovius, A.
Spencer, S.
Stawarz, Ł.
Steenkamp, R.
Steinmassl, S.
Steppa, C.
Streil, K.
Sushch, I.
Suzuki, H.
Takahashi, T.
Tanaka, T.
Terrier, R.
Tluczykont, M.
Tsuji, N.
Unbehaun, T.
van Eldik, C.
Vecchi, M.
Veh, J.
Venter, C.
Vink, J.
Wach, T.
Wagner, S. J.
Wierzcholska, A.
Zacharias, M.
Zargaryan, D.
Zdziarski, A. A.
Zech, A.
Zouari, S.
Żywucka, N.
Harding, A.
contents The Crab Nebula is a unique laboratory for studying the acceleration of electrons and positrons through their non-thermal radiation. Observations of very-high-energy $γ$ rays from the Crab Nebula have provided important constraints for modelling its broadband emission. We present the first fully self-consistent analysis of the Crab Nebula's $γ$-ray emission between 1 GeV and $\sim$100 TeV, that is, over five orders of magnitude in energy. Using the open-source software package Gammapy, we combined 11.4 yr of data from the Fermi Large Area Telescope and 80 h of High Energy Stereoscopic System (H.E.S.S.) data at the event level and provide a measurement of the spatial extension of the nebula and its energy spectrum. We find evidence for a shrinking of the nebula with increasing $γ$-ray energy. Furthermore, we fitted several phenomenological models to the measured data, finding that none of them can fully describe the spatial extension and the spectral energy distribution at the same time. Especially the extension measured at TeV energies appears too large when compared to the X-ray emission. Our measurements probe the structure of the magnetic field between the pulsar wind termination shock and the dust torus, and we conclude that the magnetic field strength decreases with increasing distance from the pulsar. We complement our study with a careful assessment of systematic uncertainties.
format Preprint
id arxiv_https___arxiv_org_abs_2403_12608
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Spectrum and extension of the inverse-Compton emission of the Crab Nebula from a combined Fermi-LAT and H.E.S.S. analysis
Aharonian, F.
Benkhali, F. Ait
Aschersleben, J.
Ashkar, H.
Backes, M.
Baktash, A.
Martins, V. Barbosa
Batzofin, R.
Becherini, Y.
Berge, D.
Bernlöhr, K.
Bi, B.
Böttcher, M.
Boisson, C.
Bolmont, J.
de Lavergne, M. de Bony
Borowska, J.
Bradascio, F.
Breuhaus, M.
Brose, R.
Brown, A.
Brun, F.
Bruno, B.
Bulik, T.
Burger-Scheidlin, C.
Bylund, T.
Caroff, S.
Casanova, S.
Cecil, R.
Celic, J.
Cerruti, M.
Chambery, P.
Chand, T.
Chandra, S.
Chen, A.
Chibueze, J.
Chibueze, O.
Cotter, G.
Cristofari, P.
Devin, J.
Djannati-Ataï, A.
Djuvsland, J.
Dmytriiev, A.
Einecke, S.
Ernenwein, J. -P.
Fegan, S.
Feijen, K.
Filipović, M.
Fontaine, G.
Füßling, M.
Funk, S.
Gabici, S.
Gallant, Y. A.
Giavitto, G.
Glawion, D.
Glicenstein, J. F.
Glombitza, J.
Goswami, P.
Grolleron, G.
Grondin, M. -H.
Haerer, L.
Hinton, J. A.
Hofmann, W.
Holch, T. L.
Holler, M.
Horns, D.
Jamrozy, M.
Jankowsky, F.
Joshi, V.
Kasai, E.
Katarzyński, K.
Khatoon, R.
Khélifi, B.
Kluźniak, W.
Komin, Nu.
Kosack, K.
Kostunin, D.
Kundu, A.
Lang, R. G.
Stum, S. Le
Leitl, F.
Lemière, A.
Lemoine-Goumard, M.
Lenain, J. -P.
Leuschner, F.
Luashvili, A.
Mackey, J.
Malyshev, D.
Malyshev, D.
Marandon, V.
Marinos, P.
Martí-Devesa, G.
Marx, R.
Mehta, A.
Meyer, M.
Mitchell, A.
Moderski, R.
Mohrmann, L.
Montanari, A.
Moulin, E.
Murach, T.
de Naurois, M.
Niemiec, J.
O'Brien, P.
Ohm, S.
Olivera-Nieto, L.
Wilhelmi, E. de Ona
Ostrowski, M.
Panny, S.
Panter, M.
Parsons, R. D.
Peron, G.
Prokhorov, D. A.
Pühlhofer, G.
Punch, M.
Quirrenbach, A.
Regeard, M.
Reichherzer, P.
Reimer, A.
Reimer, O.
Ren, H.
Renaud, M.
Reville, B.
Rieger, F.
Roellinghoff, G.
Rudak, B.
Sahakian, V.
Salzmann, H.
Sasaki, M.
Schüssler, F.
Schutte, H. M.
Shapopi, J. N. S.
Specovius, A.
Spencer, S.
Stawarz, Ł.
Steenkamp, R.
Steinmassl, S.
Steppa, C.
Streil, K.
Sushch, I.
Suzuki, H.
Takahashi, T.
Tanaka, T.
Terrier, R.
Tluczykont, M.
Tsuji, N.
Unbehaun, T.
van Eldik, C.
Vecchi, M.
Veh, J.
Venter, C.
Vink, J.
Wach, T.
Wagner, S. J.
Wierzcholska, A.
Zacharias, M.
Zargaryan, D.
Zdziarski, A. A.
Zech, A.
Zouari, S.
Żywucka, N.
Harding, A.
High Energy Astrophysical Phenomena
The Crab Nebula is a unique laboratory for studying the acceleration of electrons and positrons through their non-thermal radiation. Observations of very-high-energy $γ$ rays from the Crab Nebula have provided important constraints for modelling its broadband emission. We present the first fully self-consistent analysis of the Crab Nebula's $γ$-ray emission between 1 GeV and $\sim$100 TeV, that is, over five orders of magnitude in energy. Using the open-source software package Gammapy, we combined 11.4 yr of data from the Fermi Large Area Telescope and 80 h of High Energy Stereoscopic System (H.E.S.S.) data at the event level and provide a measurement of the spatial extension of the nebula and its energy spectrum. We find evidence for a shrinking of the nebula with increasing $γ$-ray energy. Furthermore, we fitted several phenomenological models to the measured data, finding that none of them can fully describe the spatial extension and the spectral energy distribution at the same time. Especially the extension measured at TeV energies appears too large when compared to the X-ray emission. Our measurements probe the structure of the magnetic field between the pulsar wind termination shock and the dust torus, and we conclude that the magnetic field strength decreases with increasing distance from the pulsar. We complement our study with a careful assessment of systematic uncertainties.
title Spectrum and extension of the inverse-Compton emission of the Crab Nebula from a combined Fermi-LAT and H.E.S.S. analysis
topic High Energy Astrophysical Phenomena
url https://arxiv.org/abs/2403.12608

Ähnliche Einträge