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Title: Fermi Gamma-Ray Imaging of a Radio Galaxy

Abstract

The Fermi Gamma-ray Space Telescope has detected the γ-ray glow emanating from the giant radio lobes of the radio galaxy Centaurus A. The resolved γ-ray image shows the lobes clearly separated from the central active source. In contrast to all other active galaxies detected so far in high-energy γ-rays, the lobe flux constitutes a considerable portion (greater than one-half) of the total source emission. The γ-ray emission from the lobes is interpreted as inverse Compton–scattered relic radiation from the cosmic microwave background, with additional contribution at higher energies from the infrared-to-optical extragalactic background light. In conclusion, these measurements provide γ-ray constraints on the magnetic field and particle energy content in radio galaxy lobes, as well as a promising method to probe the cosmic relic photon fields.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; more »; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; « less
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE; National Aeronautics and Space Administration (NASA)
Contributing Org.:
The Fermi-LAT Collaboration
OSTI Identifier:
1357564
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
Science
Additional Journal Information:
Journal Volume: 328; Journal Issue: 5979; Journal ID: ISSN 0036-8075
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS

Citation Formats

Abdo, A. A., Ackermann, M., Ajello, M., Atwood, W. B., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Baughman, B. M., Bechtol, K., Bellazzini, R., Berenji, B., Blandford, R. D., Bloom, E. D., Bonamente, E., Borgland, A. W., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Casandjian, J. M., Cavazzuti, E., Cecchi, C., Celik, O., Chekhtman, A., Cheung, C. C., Chiang, x. J., Ciprini, S., Claus, R., Cohen-Tanugi, J., Colafrancesco, S., Cominsky, L. R., Conrad, J., Costamante, L., Cutini, S., Davis, D. S., Dermer, C. D., de Angelis, A., de Palma, F., Digel, S. W., do Couto e Silva, E., Drell, P. S., Dubois, R., Dumora, D., Farnier, C., Favuzzi, C., Fegan, S. J., Finke, J., Focke, W. B., Fortin, P., Fukazawa, Y., Funk, x. S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Georganopoulos, M., Germani, S., Giebels, B., Giglietto, N., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Grenier, I. A., Grove, J. E., Guillemot, L., Guiriec, S., Hanabata, Y., Harding, A. K., Hayashida, M., Hays, E., Hughes, R. E., Jackson, M. S., Johannesson, G., Johnson, A. S., Johnson, T. J., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kawai, N., Kerr, M., Knodlseder, J., Kocian, x. M. L., Kuss, M., Lande, J., Latronico, L., Lemoine-Goumard, M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Makeev, A., Mazziotta, M. N., McConville, W., McEnery, J. E., Meurer, C., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nolan, P. L., Norris, J. P., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Paneque, D., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Piron, F., Porter, T. A., Raino, S., Rando, R., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Reposeur, T., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Ryde, F., Sadrozinski, H. F. W., Sambruna, R., Sanchez, D., Sander, A., Parkinson, P. M. S., Scargle, J. D., Sgro, C., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Starck, J. L., Stawarz, L., Strickman, x. M. S., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Thayer, J. B., Thayer, J. G., Thompson, D. J., Tibaldo, L., Torres, D. F., Tosti, G., Tramacere, A., Uchiyama, Y., Usher, T. L., Vasileiou, V., Vilchez, N., Vitale, V., Waite, A. P., Wallace, E., Wang, P., Winer, B. L., Wood, K. S., Ylinen, T., Ziegler, M., Hardcastle, M. J., and Kazanas, D. Fermi Gamma-Ray Imaging of a Radio Galaxy. United States: N. p., 2010. Web. doi:10.1126/science.1184656.
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Abdo, A. A., Ackermann, M., Ajello, M., Atwood, W. B., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Baughman, B. M., Bechtol, K., Bellazzini, R., Berenji, B., Blandford, R. D., Bloom, E. D., Bonamente, E., Borgland, A. W., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Casandjian, J. M., Cavazzuti, E., Cecchi, C., Celik, O., Chekhtman, A., Cheung, C. C., Chiang, x. J., Ciprini, S., Claus, R., Cohen-Tanugi, J., Colafrancesco, S., Cominsky, L. R., Conrad, J., Costamante, L., Cutini, S., Davis, D. S., Dermer, C. D., de Angelis, A., de Palma, F., Digel, S. W., do Couto e Silva, E., Drell, P. S., Dubois, R., Dumora, D., Farnier, C., Favuzzi, C., Fegan, S. J., Finke, J., Focke, W. B., Fortin, P., Fukazawa, Y., Funk, x. S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Georganopoulos, M., Germani, S., Giebels, B., Giglietto, N., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Grenier, I. A., Grove, J. E., Guillemot, L., Guiriec, S., Hanabata, Y., Harding, A. K., Hayashida, M., Hays, E., Hughes, R. E., Jackson, M. S., Johannesson, G., Johnson, A. S., Johnson, T. J., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kawai, N., Kerr, M., Knodlseder, J., Kocian, x. M. L., Kuss, M., Lande, J., Latronico, L., Lemoine-Goumard, M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Makeev, A., Mazziotta, M. N., McConville, W., McEnery, J. E., Meurer, C., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nolan, P. L., Norris, J. P., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Paneque, D., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Piron, F., Porter, T. A., Raino, S., Rando, R., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Reposeur, T., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Ryde, F., Sadrozinski, H. F. W., Sambruna, R., Sanchez, D., Sander, A., Parkinson, P. M. S., Scargle, J. D., Sgro, C., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Starck, J. L., Stawarz, L., Strickman, x. M. S., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Thayer, J. B., Thayer, J. G., Thompson, D. J., Tibaldo, L., Torres, D. F., Tosti, G., Tramacere, A., Uchiyama, Y., Usher, T. L., Vasileiou, V., Vilchez, N., Vitale, V., Waite, A. P., Wallace, E., Wang, P., Winer, B. L., Wood, K. S., Ylinen, T., Ziegler, M., Hardcastle, M. J., & Kazanas, D. Fermi Gamma-Ray Imaging of a Radio Galaxy. United States. https://doi.org/10.1126/science.1184656
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Abdo, A. A., Ackermann, M., Ajello, M., Atwood, W. B., Baldini, L., Ballet, J., Barbiellini, G., Bastieri, D., Baughman, B. M., Bechtol, K., Bellazzini, R., Berenji, B., Blandford, R. D., Bloom, E. D., Bonamente, E., Borgland, A. W., Bregeon, J., Brez, A., Brigida, M., Bruel, P., Burnett, T. H., Buson, S., Caliandro, G. A., Cameron, R. A., Caraveo, P. A., Casandjian, J. M., Cavazzuti, E., Cecchi, C., Celik, O., Chekhtman, A., Cheung, C. C., Chiang, x. J., Ciprini, S., Claus, R., Cohen-Tanugi, J., Colafrancesco, S., Cominsky, L. R., Conrad, J., Costamante, L., Cutini, S., Davis, D. S., Dermer, C. D., de Angelis, A., de Palma, F., Digel, S. W., do Couto e Silva, E., Drell, P. S., Dubois, R., Dumora, D., Farnier, C., Favuzzi, C., Fegan, S. J., Finke, J., Focke, W. B., Fortin, P., Fukazawa, Y., Funk, x. S., Fusco, P., Gargano, F., Gasparrini, D., Gehrels, N., Georganopoulos, M., Germani, S., Giebels, B., Giglietto, N., Giordano, F., Giroletti, M., Glanzman, T., Godfrey, G., Grenier, I. A., Grove, J. E., Guillemot, L., Guiriec, S., Hanabata, Y., Harding, A. K., Hayashida, M., Hays, E., Hughes, R. E., Jackson, M. S., Johannesson, G., Johnson, A. S., Johnson, T. J., Johnson, W. N., Kamae, T., Katagiri, H., Kataoka, J., Kawai, N., Kerr, M., Knodlseder, J., Kocian, x. M. L., Kuss, M., Lande, J., Latronico, L., Lemoine-Goumard, M., Longo, F., Loparco, F., Lott, B., Lovellette, M. N., Lubrano, P., Madejski, G. M., Makeev, A., Mazziotta, M. N., McConville, W., McEnery, J. E., Meurer, C., Michelson, P. F., Mitthumsiri, W., Mizuno, T., Moiseev, A. A., Monte, C., Monzani, M. E., Morselli, A., Moskalenko, I. V., Murgia, S., Nolan, P. L., Norris, J. P., Nuss, E., Ohsugi, T., Omodei, N., Orlando, E., Ormes, J. F., Paneque, D., Parent, D., Pelassa, V., Pepe, M., Pesce-Rollins, M., Piron, F., Porter, T. A., Raino, S., Rando, R., Razzano, M., Razzaque, S., Reimer, A., Reimer, O., Reposeur, T., Ritz, S., Rochester, L. S., Rodriguez, A. Y., Romani, R. W., Roth, M., Ryde, F., Sadrozinski, H. F. W., Sambruna, R., Sanchez, D., Sander, A., Parkinson, P. M. S., Scargle, J. D., Sgro, C., Siskind, E. J., Smith, D. A., Smith, P. D., Spandre, G., Spinelli, P., Starck, J. L., Stawarz, L., Strickman, x. M. S., Suson, D. J., Tajima, H., Takahashi, H., Takahashi, T., Tanaka, T., Thayer, J. B., Thayer, J. G., Thompson, D. J., Tibaldo, L., Torres, D. F., Tosti, G., Tramacere, A., Uchiyama, Y., Usher, T. L., Vasileiou, V., Vilchez, N., Vitale, V., Waite, A. P., Wallace, E., Wang, P., Winer, B. L., Wood, K. S., Ylinen, T., Ziegler, M., Hardcastle, M. J., and Kazanas, D. Thu . "Fermi Gamma-Ray Imaging of a Radio Galaxy". United States. https://doi.org/10.1126/science.1184656. https://www.osti.gov/servlets/purl/1357564.
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@article{osti_1357564,
title = {Fermi Gamma-Ray Imaging of a Radio Galaxy},
author = {Abdo, A. A. and Ackermann, M. and Ajello, M. and Atwood, W. B. and Baldini, L. and Ballet, J. and Barbiellini, G. and Bastieri, D. and Baughman, B. M. and Bechtol, K. and Bellazzini, R. and Berenji, B. and Blandford, R. D. and Bloom, E. D. and Bonamente, E. and Borgland, A. W. and Bregeon, J. and Brez, A. and Brigida, M. and Bruel, P. and Burnett, T. H. and Buson, S. and Caliandro, G. A. and Cameron, R. A. and Caraveo, P. A. and Casandjian, J. M. and Cavazzuti, E. and Cecchi, C. and Celik, O. and Chekhtman, A. and Cheung, C. C. and Chiang, x. J. and Ciprini, S. and Claus, R. and Cohen-Tanugi, J. and Colafrancesco, S. and Cominsky, L. R. and Conrad, J. and Costamante, L. and Cutini, S. and Davis, D. S. and Dermer, C. D. and de Angelis, A. and de Palma, F. and Digel, S. W. and do Couto e Silva, E. and Drell, P. S. and Dubois, R. and Dumora, D. and Farnier, C. and Favuzzi, C. and Fegan, S. J. and Finke, J. and Focke, W. B. and Fortin, P. and Fukazawa, Y. and Funk, x. S. and Fusco, P. and Gargano, F. and Gasparrini, D. and Gehrels, N. and Georganopoulos, M. and Germani, S. and Giebels, B. and Giglietto, N. and Giordano, F. and Giroletti, M. and Glanzman, T. and Godfrey, G. and Grenier, I. A. and Grove, J. E. and Guillemot, L. and Guiriec, S. and Hanabata, Y. and Harding, A. K. and Hayashida, M. and Hays, E. and Hughes, R. E. and Jackson, M. S. and Johannesson, G. and Johnson, A. S. and Johnson, T. J. and Johnson, W. N. and Kamae, T. and Katagiri, H. and Kataoka, J. and Kawai, N. and Kerr, M. and Knodlseder, J. and Kocian, x. M. L. and Kuss, M. and Lande, J. and Latronico, L. and Lemoine-Goumard, M. and Longo, F. and Loparco, F. and Lott, B. and Lovellette, M. N. and Lubrano, P. and Madejski, G. M. and Makeev, A. and Mazziotta, M. N. and McConville, W. and McEnery, J. E. and Meurer, C. and Michelson, P. F. and Mitthumsiri, W. and Mizuno, T. and Moiseev, A. A. and Monte, C. and Monzani, M. E. and Morselli, A. and Moskalenko, I. V. and Murgia, S. and Nolan, P. L. and Norris, J. P. and Nuss, E. and Ohsugi, T. and Omodei, N. and Orlando, E. and Ormes, J. F. and Paneque, D. and Parent, D. and Pelassa, V. and Pepe, M. and Pesce-Rollins, M. and Piron, F. and Porter, T. A. and Raino, S. and Rando, R. and Razzano, M. and Razzaque, S. and Reimer, A. and Reimer, O. and Reposeur, T. and Ritz, S. and Rochester, L. S. and Rodriguez, A. Y. and Romani, R. W. and Roth, M. and Ryde, F. and Sadrozinski, H. F. W. and Sambruna, R. and Sanchez, D. and Sander, A. and Parkinson, P. M. S. and Scargle, J. D. and Sgro, C. and Siskind, E. J. and Smith, D. A. and Smith, P. D. and Spandre, G. and Spinelli, P. and Starck, J. L. and Stawarz, L. and Strickman, x. M. S. and Suson, D. J. and Tajima, H. and Takahashi, H. and Takahashi, T. and Tanaka, T. and Thayer, J. B. and Thayer, J. G. and Thompson, D. J. and Tibaldo, L. and Torres, D. F. and Tosti, G. and Tramacere, A. and Uchiyama, Y. and Usher, T. L. and Vasileiou, V. and Vilchez, N. and Vitale, V. and Waite, A. P. and Wallace, E. and Wang, P. and Winer, B. L. and Wood, K. S. and Ylinen, T. and Ziegler, M. and Hardcastle, M. J. and Kazanas, D.},
abstractNote = {The Fermi Gamma-ray Space Telescope has detected the γ-ray glow emanating from the giant radio lobes of the radio galaxy Centaurus A. The resolved γ-ray image shows the lobes clearly separated from the central active source. In contrast to all other active galaxies detected so far in high-energy γ-rays, the lobe flux constitutes a considerable portion (greater than one-half) of the total source emission. The γ-ray emission from the lobes is interpreted as inverse Compton–scattered relic radiation from the cosmic microwave background, with additional contribution at higher energies from the infrared-to-optical extragalactic background light. In conclusion, these measurements provide γ-ray constraints on the magnetic field and particle energy content in radio galaxy lobes, as well as a promising method to probe the cosmic relic photon fields.},
doi = {10.1126/science.1184656},
journal = {Science},
number = 5979,
volume = 328,
place = {United States},
year = {2010},
month = {4}
}
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    • Monthly Notices of the Royal Astronomical Society, Vol. 434, Issue 3
    • DOI: 10.1093/mnras/stt1081

    Modelling of the spectral energy distribution of Fornax A: leptonic and hadronic production of high-energy emission from the radio lobes
    journal, December 2014

    • McKinley, B.; Yang, R.; López-Caniego, M.
    • Monthly Notices of the Royal Astronomical Society, Vol. 446, Issue 4
    • DOI: 10.1093/mnras/stu2310

    Discovery of a Fanaroff–Riley type 0 radio galaxy emitting at γ-ray energies
    journal, January 2016

    • Grandi, Paola; Capetti, Alessandro; Baldi, Ranieri D.
    • Monthly Notices of the Royal Astronomical Society, Vol. 457, Issue 1
    • DOI: 10.1093/mnras/stv2846

    Study of the PeV neutrino, γ-rays, and UHECRs around the lobes of Centaurus A
    journal, September 2018

    • Fraija, N.; Aguilar-Ruiz, E.; Galván-Gámez, A.
    • Monthly Notices of the Royal Astronomical Society, Vol. 481, Issue 4
    • DOI: 10.1093/mnras/sty2561

    Faint γ-ray sources at low redshift: the radio galaxy IC 1531
    journal, September 2018

    • Bassi, T.; Migliori, G.; Grandi, P.
    • Monthly Notices of the Royal Astronomical Society, Vol. 481, Issue 4
    • DOI: 10.1093/mnras/sty2622

    Non-thermal emission in radio galaxy lobes – II. Centaurus A, Centaurus B, and NGC 6251
    journal, September 2019

    • Persic, Massimo; Rephaeli, Yoel
    • Monthly Notices of the Royal Astronomical Society, Vol. 490, Issue 2
    • DOI: 10.1093/mnras/stz2527

    Fornax A, Centaurus A, and other radio galaxies as sources of ultrahigh energy cosmic rays
    journal, June 2018

    • Matthews, J. H.; Bell, A. R.; Blundell, K. M.
    • Monthly Notices of the Royal Astronomical Society: Letters, Vol. 479, Issue 1
    • DOI: 10.1093/mnrasl/sly099

    Nonthermal Processes in Black Hole-Jet Magnetospheres — Invited Review
    journal, August 2011

    Dissipative Processes and Their Role in the Evolution of Radio Galaxies
    journal, July 2019

    The High Energy View of FR0 Radio Galaxies
    journal, September 2019

    Examining the High-energy Radiation Mechanisms of Knots and Hotspots in Active Galactic Nucleus Jets
    journal, April 2018

    Jet Radiation Properties of 4C +49.22: from the Core to Large-scale Knots
    journal, September 2018

    The Circinus Galaxy Revisited with 10 yr Fermi -LAT Data
    journal, November 2019

    • Guo, Xiao-Lei; Xin, Yu-Liang; Liao, Neng-Hui
    • The Astrophysical Journal, Vol. 885, Issue 2
    • DOI: 10.3847/1538-4357/ab44ba

    3FHL: The Third Catalog of Hard Fermi -LAT Sources
    journal, September 2017

    • Ajello, M.; Atwood, W. B.; Baldini, L.
    • The Astrophysical Journal Supplement Series, Vol. 232, Issue 2
    • DOI: 10.3847/1538-4365/aa8221

    Fermi Large Area Telescope Fourth Source Catalog
    journal, March 2020

    • Abdollahi, S.; Acero, F.; Ackermann, M.
    • The Astrophysical Journal Supplement Series, Vol. 247, Issue 1
    • DOI: 10.3847/1538-4365/ab6bcb

    FIRST DETECTION IN GAMMA-RAYS OF A YOUNG RADIO GALAXY: FERMI -LAT OBSERVATIONS OF THE COMPACT SYMMETRIC OBJECT PKS 1718−649
    journal, April 2016

    HESS and Fermi-LAT discovery of -rays from the blazar 1ES 1312-423
    text, January 2013

    • Abramowski, A.; Acero, F.; Aharonian, F.
    • Deutsches Elektronen-Synchrotron, DESY, Hamburg
    • DOI: 10.3204/desy-2014-00648

    Fermi Large Area Telescope Fourth Source Catalog
    text, January 2020

    • Abdollahi, S.; Acero, F.; Ackermann, Markus
    • Deutsches Elektronen-Synchrotron, DESY, Hamburg
    • DOI: 10.3204/pubdb-2020-01400

    Fornax A, Centaurus A, and other radio galaxies as sources of ultrahigh energy cosmic rays
    text, January 2018

    • Matthews, James; Bell, Ar; Blundell, Km
    • Apollo - University of Cambridge Repository
    • DOI: 10.17863/cam.46902

    3FHL: The Third Catalog of Hard Fermi -LAT Sources
    text, January 2017

    Fermi Large Area Telescope Fourth Source Catalog
    collection, January 2020

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