The first gamma-ray outburst of a narrow-line Seyfert 1 galaxy: The case of PMNJ0948+0022 in 2010 July

L. Foschini, G. Ghisellini, Y. Y. Kovalev, M. L. Lister, F. D'Ammando, D. J. Thompson, A. Tramacere, E. Angelakis, D. Donato, A. Falcone, L. Fuhrmann, M. Hauser, Yu A. Kovalev, K. Mannheim, L. Maraschi, W. Max-Moerbeck, I. Nestoras, V. Pavlidou, T. J. Pearson, A. B. PushkarevA. C.S. Readhead, J. L. Richards, M. A. Stevenson, G. Tagliaferri, O. Tibolla, F. Tavecchio, S. Wagner

Research output: Contribution to journalArticle

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Abstract

We report on a multiwavelength campaign for the radio-loud narrow-line Seyfert 1 (NLS1) galaxy PMNJ0948+0022 (z= 0.5846) performed in 2010 July-September and triggered by a high-energy γ-ray outburst observed by the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. The peak flux in the 0.1-100 GeV energy band exceeded, for the first time in this type of source, the value of ~10-6 photon cm-2s-1, corresponding to an observed luminosity of ~1048ergs-1. Although the source was too close to the Sun position to organize a densely sampled follow-up, it was possible to gather some multiwavelength data that confirmed the state of high activity across the sampled electromagnetic spectrum. The comparison of the spectral energy distribution of the NLS1 PMNJ0948+0022 with that of a typical blazar - such as 3C273 - shows that the power emitted at γ-rays is extreme.

Original languageEnglish (US)
Pages (from-to)1671-1677
Number of pages7
JournalMonthly Notices of the Royal Astronomical Society
Volume413
Issue number3
DOIs
StatePublished - May 1 2011

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outburst
rays
gamma rays
galaxies
Fermi Gamma-ray Space Telescope
electromagnetic spectra
spectral energy distribution
energy bands
energy
sun
luminosity
telescopes
photons
radio
comparison
distribution

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Foschini, L., Ghisellini, G., Kovalev, Y. Y., Lister, M. L., D'Ammando, F., Thompson, D. J., ... Wagner, S. (2011). The first gamma-ray outburst of a narrow-line Seyfert 1 galaxy: The case of PMNJ0948+0022 in 2010 July. Monthly Notices of the Royal Astronomical Society, 413(3), 1671-1677. https://doi.org/10.1111/j.1365-2966.2011.18240.x
Foschini, L. ; Ghisellini, G. ; Kovalev, Y. Y. ; Lister, M. L. ; D'Ammando, F. ; Thompson, D. J. ; Tramacere, A. ; Angelakis, E. ; Donato, D. ; Falcone, A. ; Fuhrmann, L. ; Hauser, M. ; Kovalev, Yu A. ; Mannheim, K. ; Maraschi, L. ; Max-Moerbeck, W. ; Nestoras, I. ; Pavlidou, V. ; Pearson, T. J. ; Pushkarev, A. B. ; Readhead, A. C.S. ; Richards, J. L. ; Stevenson, M. A. ; Tagliaferri, G. ; Tibolla, O. ; Tavecchio, F. ; Wagner, S. / The first gamma-ray outburst of a narrow-line Seyfert 1 galaxy : The case of PMNJ0948+0022 in 2010 July. In: Monthly Notices of the Royal Astronomical Society. 2011 ; Vol. 413, No. 3. pp. 1671-1677.
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abstract = "We report on a multiwavelength campaign for the radio-loud narrow-line Seyfert 1 (NLS1) galaxy PMNJ0948+0022 (z= 0.5846) performed in 2010 July-September and triggered by a high-energy γ-ray outburst observed by the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. The peak flux in the 0.1-100 GeV energy band exceeded, for the first time in this type of source, the value of ~10-6 photon cm-2s-1, corresponding to an observed luminosity of ~1048ergs-1. Although the source was too close to the Sun position to organize a densely sampled follow-up, it was possible to gather some multiwavelength data that confirmed the state of high activity across the sampled electromagnetic spectrum. The comparison of the spectral energy distribution of the NLS1 PMNJ0948+0022 with that of a typical blazar - such as 3C273 - shows that the power emitted at γ-rays is extreme.",
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Foschini, L, Ghisellini, G, Kovalev, YY, Lister, ML, D'Ammando, F, Thompson, DJ, Tramacere, A, Angelakis, E, Donato, D, Falcone, A, Fuhrmann, L, Hauser, M, Kovalev, YA, Mannheim, K, Maraschi, L, Max-Moerbeck, W, Nestoras, I, Pavlidou, V, Pearson, TJ, Pushkarev, AB, Readhead, ACS, Richards, JL, Stevenson, MA, Tagliaferri, G, Tibolla, O, Tavecchio, F & Wagner, S 2011, 'The first gamma-ray outburst of a narrow-line Seyfert 1 galaxy: The case of PMNJ0948+0022 in 2010 July', Monthly Notices of the Royal Astronomical Society, vol. 413, no. 3, pp. 1671-1677. https://doi.org/10.1111/j.1365-2966.2011.18240.x

The first gamma-ray outburst of a narrow-line Seyfert 1 galaxy : The case of PMNJ0948+0022 in 2010 July. / Foschini, L.; Ghisellini, G.; Kovalev, Y. Y.; Lister, M. L.; D'Ammando, F.; Thompson, D. J.; Tramacere, A.; Angelakis, E.; Donato, D.; Falcone, A.; Fuhrmann, L.; Hauser, M.; Kovalev, Yu A.; Mannheim, K.; Maraschi, L.; Max-Moerbeck, W.; Nestoras, I.; Pavlidou, V.; Pearson, T. J.; Pushkarev, A. B.; Readhead, A. C.S.; Richards, J. L.; Stevenson, M. A.; Tagliaferri, G.; Tibolla, O.; Tavecchio, F.; Wagner, S.

In: Monthly Notices of the Royal Astronomical Society, Vol. 413, No. 3, 01.05.2011, p. 1671-1677.

Research output: Contribution to journalArticle

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T1 - The first gamma-ray outburst of a narrow-line Seyfert 1 galaxy

T2 - The case of PMNJ0948+0022 in 2010 July

AU - Foschini, L.

AU - Ghisellini, G.

AU - Kovalev, Y. Y.

AU - Lister, M. L.

AU - D'Ammando, F.

AU - Thompson, D. J.

AU - Tramacere, A.

AU - Angelakis, E.

AU - Donato, D.

AU - Falcone, A.

AU - Fuhrmann, L.

AU - Hauser, M.

AU - Kovalev, Yu A.

AU - Mannheim, K.

AU - Maraschi, L.

AU - Max-Moerbeck, W.

AU - Nestoras, I.

AU - Pavlidou, V.

AU - Pearson, T. J.

AU - Pushkarev, A. B.

AU - Readhead, A. C.S.

AU - Richards, J. L.

AU - Stevenson, M. A.

AU - Tagliaferri, G.

AU - Tibolla, O.

AU - Tavecchio, F.

AU - Wagner, S.

PY - 2011/5/1

Y1 - 2011/5/1

N2 - We report on a multiwavelength campaign for the radio-loud narrow-line Seyfert 1 (NLS1) galaxy PMNJ0948+0022 (z= 0.5846) performed in 2010 July-September and triggered by a high-energy γ-ray outburst observed by the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. The peak flux in the 0.1-100 GeV energy band exceeded, for the first time in this type of source, the value of ~10-6 photon cm-2s-1, corresponding to an observed luminosity of ~1048ergs-1. Although the source was too close to the Sun position to organize a densely sampled follow-up, it was possible to gather some multiwavelength data that confirmed the state of high activity across the sampled electromagnetic spectrum. The comparison of the spectral energy distribution of the NLS1 PMNJ0948+0022 with that of a typical blazar - such as 3C273 - shows that the power emitted at γ-rays is extreme.

AB - We report on a multiwavelength campaign for the radio-loud narrow-line Seyfert 1 (NLS1) galaxy PMNJ0948+0022 (z= 0.5846) performed in 2010 July-September and triggered by a high-energy γ-ray outburst observed by the Large Area Telescope onboard the Fermi Gamma-ray Space Telescope. The peak flux in the 0.1-100 GeV energy band exceeded, for the first time in this type of source, the value of ~10-6 photon cm-2s-1, corresponding to an observed luminosity of ~1048ergs-1. Although the source was too close to the Sun position to organize a densely sampled follow-up, it was possible to gather some multiwavelength data that confirmed the state of high activity across the sampled electromagnetic spectrum. The comparison of the spectral energy distribution of the NLS1 PMNJ0948+0022 with that of a typical blazar - such as 3C273 - shows that the power emitted at γ-rays is extreme.

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