يعرض 1 - 10 نتائج من 90 نتيجة بحث عن '"D. Impiombato"', وقت الاستعلام: 1.42s تنقيح النتائج
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    تقرير

    المصدر: Journal of High Energy Astrophysics, Volume 35, p. 52-68 (2022)

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    دورية أكاديمية

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    المساهمون: Laboratoire Univers et Particules de Montpellier (LUPM), Université Montpellier 2 - Sciences et Techniques (UM2)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université de Montpellier (UM)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA), 24420530 - Böttcher, Markus, ITA, USA, FRA, Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Montpellier 2 - Sciences et Techniques (UM2), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA)

    المصدر: Astron.Astrophys.
    Astron.Astrophys., 2020, 634, pp.A22. ⟨10.1051/0004-6361/201936791⟩

    مصطلحات موضوعية: Cherenkov Telescope Array, reflection: efficiency, Astrophysics, 7. Clean energy, 01 natural sciences, law.invention, energy: threshold, Observatory, law, hardware, Cherenkov, data analysis [Methods], mirror, 010303 astronomy & astrophysics, Physics, High Energy Astrophysical Phenomena (astro-ph.HE), astro-ph.HE, electronics, Detector, Astrophysics::Instrumentation and Methods for Astrophysics, Schwarzschild, observatory, Cardinal point, supernovae: individual: Crab Nebula, gamma ray: emission, techniques: miscellaneous, individual: Crab Nebula [Supernovae], Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, technique: miscellaneous, Astrophysics and Astronomy, gamma rays: general, telescopes, methods: data analysis, Astrophysics::High Energy Astrophysical Phenomena, general [Gamma rays], miscellaneous [Techniques], FOS: Physical sciences, Context (language use), programming, VHE, Telescope, 0103 physical sciences, detector: pixel, photomultiplier: silicon, [PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det], Instrumentation and Methods for Astrophysics (astro-ph.IM), Cherenkov radiation, 010308 nuclear & particles physics, Astronomy, Astronomy and Astrophysics, calibration, supernovae: individual (Crab Nebula), Crab Nebula, Cherenkov counter, Space and Planetary Science, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], statistical, Telescopes, astro-ph.IM

    وصف الملف: application/pdf

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    دورية أكاديمية

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    دورية أكاديمية

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    المساهمون: Donnarumma I, Pucella G, Vittorini V, DAmmando F, Vercellone S, Raiteri CM, Villata M, Perri M, Chen WP, Smart RL, Kataoka J, Kawai N, Mori Y, Tosti G, Impiombato D, Takahashi T, Sato R, Tavani M, Bulgarelli A, Chen AW, Giuliani A, Longo F, Pacciani L, Argan A, Barbiellini G, Boffelli F, Caraveo P, Cattaneo PW, Cocco V, Contessi T, Costa E, Del Monte E, De Paris G, Di Cocco G, Evangelista Y, Feroci M, Ferrari A, Fiorini M, Froysland T, Frutti M, Fuschino F, Galli M, Gianotti F, Labanti C, Lapshov I, Lazzarotto F, Lipari P, Marisaldi M, Mastropietro M, Mereghetti S, Morelli E, Moretti E, Morselli A, Pellizzoni A, Perotti F, Piano G, Picozza P, Pilia M, Porrovecchio G, Prest M, Rapisarda M, Rappoldi A, Rubini A, Sabatini S, Scalise E, Soffitta P, Striani E, Trifoglio M, Trois A, Vallazza E, Zambra A, Zanello D, Pittori C, Santolamazza P, Verrecchia F, Giommi P, Antonelli A, Colafrancesco S, Salotti L, I., Donnarumma, G., Pucella, V., Vittorini, F., D'Ammando, S., Vercellone, C. M., Raiteri, M., Villata, M., Perri, W. P., Chen, R. L., Smart, J., Kataoka, N., Kawai, Y., Mori, G., Tosti, D., Impiombato, T., Takahashi, R., Sato, M., Tavani, A., Bulgarelli, A. W., Chen, A., Giuliani, Longo, Francesco, L., Pacciani, A., Argan, G., Barbiellini, F., Boffelli, P., Caraveo, P. W., Cattaneo, V., Cocco, T., Contessi, E., Costa, E. D., Monte, G. D., Pari, G. D., Cocco, Y., Evangelista, M., Feroci, A., Ferrari, M., Fiorini, T., Froysland, M., Frutti, F., Fuschino, M., Galli, F., Gianotti, C., Labanti, I., Lapshov, F., Lazzarotto, P., Lipari, M., Marisaldi, M., Mastropietro, S., Mereghetti, E., Morelli, E., Moretti, A., Morselli, A., Pellizzoni, F., Perotti, G., Piano, P., Picozza, M., Pilia, G., Porrovecchio, M., Prest, M., Rapisarda, A., Rappoldi, A., Rubini, S., Sabatini, E., Scalise, P., Soffitta, E., Striani, M., Trifoglio, A., Troi, E., Vallazza, A., Zambra, D., Zanello, C., Pittori, P., Santolamazza, F., Verrecchia, P., Giommi, A., Antonelli, S., Colafrancesco, L., Salotti

    مصطلحات موضوعية: Agile, Photon, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Astrophysics::High Energy Astrophysical Phenomena, galaxies: active, Flux, FOS: Physical sciences, Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, High Energy Gamma-ray Astronomy, AGILE satellite, Active Galactic Nuclei, blazar, law.invention, law, Target of opportunity, quasars: general, multiwavelength campaign, Blazar, Astrophysics::Galaxy Astrophysics, Line (formation), Physics, High Energy Astrophysical Phenomena (astro-ph.HE), We report on the second Astrorivelatore Gamma a Immagini Leggero (AGILE) multiwavelength campaign of the blazar 3C 454.3 during the first half of 2007 December. This campaign involved AGILE, Spitzer, Swift, Suzaku, the Whole Earth Blazar Telescope (WEBT) consortium, the Rapid Eye Mount (REM), and the Multicolor Imaging Telescopes for Survey and Monstrous Explosions (MITSuME) telescopes, offering a broadband coverage that allowed for a simultaneous sampling of the synchrotron and inverse Compton (IC) emissions. The two-week AGILE monitoring was accompanied by radio to optical monitoring by WEBT and REM, and by sparse observations in mid-infrared and soft/hard X-ray energy bands performed by means of Target of Opportunity observations by Spitzer, Swift, and Suzaku, respectively. The source was detected with an average flux of ~250 × 10^-8 photons cm^-2 s^-1 above 100 MeV, typical of its flaring states. The simultaneous optical and γ-ray monitoring allowed us to study the time lag associated with the variability in the two energy bands, resulting in a possible lsimone-day delay of the γ-ray emission with respect to the optical one. From the simultaneous optical and γ-ray fast flare detected on December 12, we can constrain the delay between the γ-ray and optical emissions within 12 hr. Moreover, we obtain three spectral energy distributions (SEDs) with simultaneous data for 2007 December 5, 13, and 15, characterized by the widest multifrequency coverage. We found that a model with an external Compton on seed photons by a standard disk and reprocessed by the broad-line regions does not describe in a satisfactory way the SEDs of 2007 December 5, 13, and 15. An additional contribution, possibly from the hot corona with T = 106 K surrounding the jet, is required to account simultaneously for the softness of the synchrotron and the hardness of the IC emissions during those epochs, Astronomy and Astrophysics, galaxies: jets, radiation mechanisms: non-thermal, Corona, Synchrotron, Space and Planetary Science, galaxies: individual: 3C 454.3, Astrophysics - High Energy Astrophysical Phenomena, gamma rays: observations, Astrophysics - Cosmology and Nongalactic Astrophysics, Flare

    وصف الملف: STAMPA

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    المساهمون: L., Pacciani, I., Donnarumma, V., Vittorini, F., D'Ammando, M. T., Fiocchi, D., Impiombato, G., Stratta, F., Verrecchia, A., Bulgarelli, A. W., Chen, A., Giuliani, Longo, Francesco, G., Pucella, S., Vercellone, M., Tavani, A., Argan, G., Barbiellini, F., Boffelli, P. A., Caraveo, P. W., Cattaneo, V., Cocco, E., Costa, E. D., Monte, G. D., Cocco, Y., Evangelista, M., Feroci, T., Froysland, F., Fuschino, M., Galli, F., Gianotti, C., Labanti, I., Lapshov, F., Lazzarotto, P., Lipari, M., Marisaldi, S., Mereghetti, A., Morselli, A., Pellizzoni, F., Perotti, P., Picozza, M., Prest, M., Rapisarda, P., Soffitta, M., Trifoglio, G., Tosti, A., Troi, E., Vallazza, D., Zanello, L. A., Antonelli, S., Colafrancesco, S., Cutini, D., Gasparrini, P., Giommi, C., Pittori, L., Salotti, Pacciani L, Donnarumma I, Vittorini V, DAmmando F, Fiocchi MT, Impiombato D, Stratta G, Verrecchia F, Bulgarelli A, Chen AW, Giuliani A, Longo F, Pucella G, Vercellone S, Tavani M, Argan A, Barbiellini G, Boffelli F, Caraveo PA, Cattaneo PW, Cocco V, Costa E, Del Monte E, Di Cocco G, Evangelista Y, Feroci M, Froysland T, Fuschino F, Galli M, Gianotti F, Labanti C, Lapshov I, Lazzarotto F, Lipari P, Marisaldi M, Mereghetti S, Morselli A, Pellizzoni A, Perotti F, Picozza P, Prest M, Rapisarda M, Soffitta P, Trifoglio M, Tosti G, Trois A, Vallazza E, Zanello D, Antonelli LA, Colafrancesco S, Cutini S, Gasparrini D, Giommi P, Pittori C, Salotti L

    وصف الملف: STAMPA

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    المساهمون: S., Vercellone, A. W., Chen, V., Vittorini, A., Giuliani, F., D'Ammando, M., Tavani, I., Donnarumma, G., Pucella, C. M., Raiteri, M., Villata, W. P., Chen, G., Tosti, D., Impiombato, P., Romano, A., Belfiore, A. D., Luca, G., Novara, F., Senziani, A., Bazzano, M. T., Fiocchi, P., Ubertini, A., Ferrari, A., Argan, G., Barbiellini, F., Boffelli, A., Bulgarelli, P., Caraveo, P. W., Cattaneo, V., Cocco, E., Costa, E. D., Monte, G. D., Pari, G. D., Cocco, Y., Evangelista, M., Feroci, M., Fiorini, F., Fornari, T., Froysland, F., Fuschino, M., Galli, F., Gianotti, C., Labanti, I., Lapshov, F., Lazzarotto, P., Lipari, Longo, Francesco, M., Marisaldi, S., Mereghetti, A., Morselli, A., Pellizzoni, L., Pacciani, F., Perotti, P., Picozza, M., Prest, M., Rapisarda, A., Rappoldi, P., Soffitta, M., Trifoglio, A., Troi, E., Vallazza, A., Zambra, D., Zanello, C., Pittori, F., Verrecchia, P., Santolamazza, B., Preger, D., Gasparrini, S., Cutini, P., Giommi, S., Colafrancesco, L., Salotti, Vercellone S, Chen AW, Vittorini V, Giuliani A, DAmmando F, Tavani M, Donnarumma I, Pucella G, Raiteri CM, Villata M, Chen WP, Tosti G, Impiombato D, Romano P, Belfiore A, De Luca A, Novara G, Senziani F, Bazzano A, Fiocchi MT, Ubertini P, Ferrari A, Argan A, Barbiellini G, Boffelli F, Bulgarelli A, Caraveo P, Cattaneo PW, Cocco V, Costa E, Del Monte E, De Paris G, Di Cocco G, Evangelista Y, Feroci M, Fiorini M, Fornari F, Froysland T, Fuschino F, Galli M, Gianotti F, Labanti C, Lapshov I, Lazzarotto F, Lipari P, Longo F, Marisaldi M, Mereghetti S, Morselli A, Pellizzoni A, Pacciani L, Perotti F, Picozza P, Prest M, Rapisarda M, Rappoldi A, Soffitta P, Trifoglio M, Trois A, Vallazza E, Zambra A, Zanello D, Pittori C, Verrecchia F, Santolamazza P, Preger B, Gasparrini D, Cutini S, Giommi P, Colafrancesco S, Salotti L

    وصف الملف: STAMPA