.. .. The,

-. Icecube and . .. 0506+056,

.. .. Conclusion,

. Bibliography,

T. S. Hamilton, S. Casertano, and D. A. Turnshek, The Luminosity Function of QSO Host Galaxies, pp.61-74, 2002.

C. Goddi, G. Crew, and V. Impellizzeri, First M87 Event Horizon Telescope Results and the Role of ALMA, The Messenger, vol.177, 2019.

K. Akiyama, A. Alberdi, and W. Alef, First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole, ApJ875, 2019.
URL : https://hal.archives-ouvertes.fr/hal-02404867

R. Antonucci, Unified models for active galactic nuclei and quasars, ARA&A31, pp.473-521, 1993.

C. M. Urry and P. Padovani, Unified Schemes for Radio-Loud Active Galactic Nuclei, p.107, 1995.

M. C. Bentz and S. Katz, The AGN Black Hole Mass Database, Publications of the Astronomical Society of the Pacific, vol.127, 2015.

J. E. Pringle, Accretion discs in astrophysics, vol.19, pp.137-162, 1981.

H. Cheng, W. Yuan, and H. Liu, Modelling accretion disc emission with generalized temperature profile and its effect on AGN spectral energy distribution, Monthly Notices of the Royal Astronomical Society, vol.487, pp.3884-3903, 2019.

S. F. Hönig, Redefining the Torus: A Unifying View of AGNs in the Infrared and Submillimeter, The Astrophysical Journal, vol.884, 2019.

E. S. Perlman, R. E. Mason, and C. Packham, The Mid-Infrared Emission of M87, ApJ663, 2007.

N. Bennert, B. Jungwiert, S. Komossa, M. Haas, and R. Chini, Properties of the Narrow-line Region in Seyfert Galaxies, vol.373, p.521, 2007.

B. Peterson, The Broad-Line Region in Active Galactic Nuclei, pp.77-100, 2006.

D. Heinzeller and W. J. Duschl, On the Eddington limit in accretion discs, vol.374, 1146.

V. Beckmann and C. R. Shrader, Active Galactic Nuclei, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00728153

M. Schmidt, 3C 273 : A Star-Like Object with Large Red-Shift, Nature197, 1040.

P. Padovani, D. M. Alexander, and R. J. Assef, Active galactic nuclei: what's in a name?, A&A Rev, vol.25, 2017.

M. S. Shaw, R. W. Romani, and G. Cotter, SPECTROSCOPY OF BROAD-LINE BLAZARS FROM 1LAC, vol.748, 2012.

J. Ballet, T. H. Burnett, S. W. Digel, and B. Lott, Fermi Large Area Telescope Fourth Source Catalog Data Release 2, 2020.
URL : https://hal.archives-ouvertes.fr/hal-02863136

, The Fourth Catalog of Active Galactic Nuclei Detected by the Fermi Large Area Telescope, arXiv e-prints, 2019.

E. Nieppola, M. Tornikoski, and E. Valtaoja, Spectral energy distributions of a large sample of BL Lacertae objects, vol.445, 2006.

G. Ghisellini, The blazar sequence 2.0

F. Aharonian, A. G. Akhperjanian, and A. R. Bazer-bachi, An Exceptional Very High Energy Gamma-Ray Flare of PKS 2155-304, ApJ664, 2007.

E. Aranzana, E. Körding, P. Uttley, S. Scaringi, and S. Bloemen, Short time-scale optical variability properties of the largest AGN sample observed with Kepler/K2 , MNRAS476, 2018.

K. Nalewajko, The brightest gamma-ray flares of blazars, Monthly Notices of the Royal Astronomical Society, vol.430, 1324.

H. Abdalla, A. Abramowski, and F. Aharonian, Characterizing the ?-ray long-term variability of PKS 2155-304 with, 2017.
URL : https://hal.archives-ouvertes.fr/in2p3-01379906

P. Zhang, D. Yan, N. Liao, and J. Wang, Revisiting Quasi-periodic Modulation in ?-Ray Blazar PKS 2155-304 with Fermi Pass 8 Data, ApJ835, 0260.

A. Neronov, D. Semikoz, and S. Sibiryakov, Measuring parameters of active galactic nuclei central engines with very high energy ?-ray flares, vol.391, 0958.
URL : https://hal.archives-ouvertes.fr/hal-00713276

K. Wille and S. Radiation, Joint Universities Accelerator School JUAS, 2013.

M. S. Longair, High Energy Astrophysics, 2011.

O. Klein and T. Nishina, Über die Streuung von Strahlung durch freie Elektronen nach der neuen relativistischen Quantendynamik von Dirac, vol.52, pp.853-868, 1929.

S. R. Kelner and F. A. Aharonian, Energy spectra of gamma rays, electrons, and neutrinos produced at interactions of relativistic protons with low energy radiation, Phys. Rev, vol.78, 2008.

A. Mücke, R. Engel, J. P. Rachen, R. J. Protheroe, and T. Stanev, Monte Carlo simulations of photohadronic processes in astrophysics, Computer Physics Communications, vol.124, 2000.

M. Cerruti, A. Zech, and C. Boisson, Leptohadronic single-zone models for the electromagnetic and neutrino emission of TXS 0506+056, ) Feb. L12-L16, vol.483, 2019.
URL : https://hal.archives-ouvertes.fr/hal-01851155

G. B. Rybicki and A. P. Lightman, Radiative processes in astrophysics, 1979.

A. Zech, M. Cerruti, and D. Mazin, Expected signatures from hadronic emission processes in the TeV spectra of BL Lacertae objects, A&A602, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01554649

M. G. Aartsen, M. Ackermann, and J. Adams, Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A, Science, vol.361, 1378.
URL : https://hal.archives-ouvertes.fr/hal-01863307

P. Giommi, T. Glauch, and P. Padovani, Dissecting the regions around IceCube high-energy neutrinos: growing evidence for the blazar connection

J. G. Kirk, F. M. Rieger, and A. Mastichiadis, Particle acceleration and synchrotron emission in blazar jets, A&A333, 1998.

H. Sol, G. Pelletier, and E. Asseo, Two-flow model for extragalactic radio jets, vol.237, pp.411-429, 1989.

T. Vuillaume, G. Henri, and P. O. Petrucci, A stratified jet model for AGN emission in the two-flow paradigm, A&A620, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01897214

B. Arsioli and Y. L. Chang, The ?-ray emitting region in low synchrotron peak blazars. Testing self-synchrotron Compton and external Compton scenarios, vol.616, 2018.

M. L. Lister, of Astronomical Society of the Pacific Conference Series, vol.386, p.240, 2008.

M. Zacharias, M. Böttcher, and F. Jankowsky, Cloud Ablation by a Relativistic Jet and the Extended Flare in CTA 102 in, ApJ851, 1972.
URL : https://hal.archives-ouvertes.fr/hal-01669574

, Multi-messenger Observations of a Binary Neutron Star Merger, ApJ848, 2017.

D. , , 2014.

B. Wang, X. Bi, K. Fang, S. Lin, and P. Yin, Time-dependent solar modulation of cosmic rays from solar minimum to solar maximum, Phys. Rev, vol.100, 2019.

R. Blandford, P. Simeon, and Y. Yuan, Cosmic Ray Origins: An Introduction, Nuclear Physics B Proceedings Supplements, vol.256, 2014.

C. Evoli, The Cosmic-Ray Energy Spectrum, Zenodo (Oct, 2018.

,

A. W. Strong, I. V. Moskalenko, and V. S. Ptuskin, Cosmic-Ray Propagation and Interactions in the Galaxy, Annual Review of Nuclear and Particle Science, vol.57, 2007.

O. Adriani, G. C. Barbarino, and G. A. Bazilevskaya, PAMELA Measurements of Cosmic-Ray Proton and Helium Spectra, Science, vol.332, 1969.

R. Batista, J. Biteau, and M. Bustamante, Open questions in cosmic-ray research at ultrahigh energies, Frontiers in Astronomy and Space Sciences, vol.6, 2019.
URL : https://hal.archives-ouvertes.fr/hal-02108096

A. Aab, P. Abreu, and M. Aglietta, Observation of a large-scale anisotropy in the arrival directions of cosmic rays above 8 × 10 18 eV, Science, vol.357, 1266.
URL : https://hal.archives-ouvertes.fr/hal-01645788

A. Loureiro, A. Cuceu, and F. B. Abdalla, Upper Bound of Neutrino Masses from Combined Cosmological Observations and Particle Physics Experiments, Phys. Rev. Lett, vol.123, 2019.
URL : https://hal.archives-ouvertes.fr/hal-01937644

M. C. Gonzalez-garcia, M. Maltoni, and T. Schwetz, Updated fit to three neutrino mixing: status of leptonic CP violation, Journal of High Energy Physics, vol.2014, 1952.

V. Gribov and B. Pontecorvo, Neutrino astronomy and lepton charge, Physics Letters B, vol.28, pp.493-496, 1969.

S. Bilenky, Neutrino oscillations: From a historical perspective to the present status, Nuclear Physics B, vol.908, 2016.

M. G. Aartsen, M. Ackermann, and J. Adams, The IceCube Neutrino Observatory: instrumentation and online systems, Journal of Instrumentation, vol.12, 2017.

H. Niederhausen, Recent IceCube Measurements Using High Energy Neutrinos, arXiv e-prints (Sept., 2019) Sept

M. G. Aartsen, M. Ackermann, and J. Adams, Search for steady point-like sources in the astrophysical muon neutrino flux with 8 years of IceCube data, Nov, 2018.

M. Ajello, M. Arimoto, and M. Axelsson, A Decade of Gamma-Ray Bursts Observed by Fermi-LAT: The Second GRB Catalog, ApJ878, 2019.
URL : https://hal.archives-ouvertes.fr/hal-02171515

S. Cherry, J. Sorenson, and M. Phelps, Physics in Nuclear Medicine, p.1, 2012.

A. Franceschini and G. Rodighiero, The extragalactic background light revisited and the cosmic photon-photon opacity, A&A603, 2017.

P. Sommers, Extensive air showers and measurement techniques, Comptes Rendus Physique, vol.5, pp.463-472, 2004.

J. N. Capdevielee, P. Gabriel, and H. J. Gils, Extensive air shower simulations with the CORSIKA program

D. Heck, Hadronic Interaction Models and the Air Shower Simulation Program CORSIKA

A. Barnacka, L. Bogacz, and M. Grudzi?ska, Monte Carlo Simulations For The Cherenkov Telescope Array Observatory Using Pl-Grid E-Infrastructure, Computer Science, vol.13, issue.01, p.113, 2012.

E. Hecht, Optics. Pearson education, 2002.

J. Jelley, ?erenkov radiation, and its applications, 1958.

E. Ciarrocchi and N. Belcari, Cerenkov luminescence imaging: physics principles and potential applications in biomedical sciences, vol.4, p.12, 2017.

T. Ashton, M. Backes, and A. Balzer, A NECTAr-based upgrade for the Cherenkov cameras of the H, Astroparticle Physics, vol.118, 2020.
URL : https://hal.archives-ouvertes.fr/hal-02467295

A. M. Hillas, Cerenkov Light Images of EAS Produced by Primary Gamma Rays and by Nuclei

M. De-naurois and L. Rolland, A high performance likelihood reconstruction of ?-rays for imaging atmospheric Cherenkov telescopes, Astroparticle Physics, vol.32, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00498977

K. Levenberg, A Method for the Solution of Certain Non-Linear Problems in Least Squares, The Quarterly of Applied Mathematics, pp.164-168, 1944.

R. D. Parsons and J. A. Hinton, A Monte Carlo template based analysis for air-Cherenkov arrays, Astroparticle Physics, vol.56, 2014.

T. P. Li and Y. Q. Ma, Analysis methods for results in gamma-ray astronomy, ApJ272 (Sept, pp.317-324, 1983.

D. Berge, S. Funk, and J. Hinton, Background modelling in very-high-energy ?-ray astronomy, A&A466, 1219.

G. P. Rowell, A new template background estimate for source searching in TeV gamma -ray astronomy, A&A410, 2003.

F. Piron, Etude des Propriétés spectrales et de la Variabilité de l'Emission gamma supérieure à 250 GeV des Noyaux actifs de Galaxies de type Blazar observés dans le cadre de l'Expérience CAT, 2000.

T. Hassan, L. Arrabito, and K. Bernlöhr, Monte Carlo performance studies for the site selection of the Cherenkov Telescope Array, Astroparticle Physics, vol.93, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01582902

A. Acharyya, I. Agudo, and E. O. Angüner, Monte Carlo studies for the optimisation of the Cherenkov Telescope Array layout, Astroparticle Physics, vol.111, pp.35-53, 2019.
URL : https://hal.archives-ouvertes.fr/hal-02116580

B. S. Acharya and I. Agudo, Science with the Cherenkov Telescope Array, 2019.
URL : https://hal.archives-ouvertes.fr/hal-01998995

A. Levan, P. Crowther, and R. De-grijs, Gamma-Ray Burst Progenitors, Space Sci. Rev, vol.202, pp.33-78, 2016.

H. Abdalla, R. Adam, and F. Aharonian, A very-high-energy component deep in the ?-ray burst afterglow, vol.575, 2019.
URL : https://hal.archives-ouvertes.fr/hal-02381934

, GRB190829A: Detection of VHE gamma-ray emission with, M. de Naurois, 2020.

V. A. Acciari, S. Ansoldi, and L. A. Antonelli, Teraelectronvolt emission from the ?-ray burst GRB 190114C , Nature575, pp.455-458, 2019.

J. P. Lenain, FLaapLUC: A pipeline for the generation of prompt alerts on transient Fermi-LAT ?-ray sources, Astronomy and Computing, vol.22, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01668608

H. Abdalla, R. Adam, and F. Aharonian, Constraints on the emission region of 3C 279 during strong flares in 2014 and 2015 through VHE gamma-ray observations with, 2019.

J. Albert, E. Aliu, and H. Anderhub, Very-High-Energy gamma rays from a Distant Quasar: How Transparent Is the Universe?, Science, vol.320, 1752.

J. Aleksi?, L. A. Antonelli, and P. Antoranz, MAGIC Observations and multiwavelength properties of the quasar 3C, A&A530, vol.279, 2007.

G. Emery, M. Cerruti, and A. Dmytriiev, Observations of the FSRQ 3C 279 during the flaring state of, 36th International Cosmic Ray Conference (ICRC2019), vol.36, p.668, 2017.
URL : https://hal.archives-ouvertes.fr/hal-02327728

M. De-naurois and H. E. , detection of a strong VHE activity from the blazar 3C 279 , The Astronomer's Telegram 11239, 2018.

, and ATOM detection of renewed activity of the FSRQ 3C 279 , The Astronomer's Telegram 11680, 2018.

J. D. Scargle, J. P. Norris, B. Jackson, and J. Chiang, Studies in Astronomical Time Series Analysis. VI. Bayesian Block Representations, 2013.

F. Brun, Application to the study of the W49B supernova remnant region. Theses, Université Pierre et Marie Curie -Paris VI, 2011.
URL : https://hal.archives-ouvertes.fr/tel-00645861

M. Holler, J. Chevalier, J. P. Lenain, D. Sanchez, and M. De-naurois, Run-Wise Simulations for Imaging Atmospheric Cherenkov Telescope Arrays, 35th International Cosmic Ray Conference (ICRC2017), vol.301, p.755, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01903278

F. Acero, M. Ackermann, and M. Ajello, Fermi Large Area Telescope Third Source Catalog, ApJS218, 2015.
URL : https://hal.archives-ouvertes.fr/in2p3-02023258

N. Gehrels, G. Chincarini, and P. Giommi, The Swift Gamma-Ray Burst Mission, ApJ611, 1005.

D. N. Burrows, J. E. Hill, and J. A. Nousek, The Swift X-Ray Telescope, Space Sci. Rev, vol.120, 2005.

M. Hauser, C. Möllenhoff, and G. Pühlhofer, ATOM -an Automatic Telescope for Optical Monitoring, Astronomische Nachrichten, vol.325, pp.659-659, 2004.

V. S. Paliya, Fermi-Large Area Telescope Observations of the Exceptional Gamma-Ray Flare from 3C 279 in, 2015.

J. D. Finke, External Compton Scattering in Blazar Jets and the Location of the Gamma-Ray Emitting Region, ApJ830, 1994.

M. S. Shaw, R. W. Romani, and G. Cotter, Spectroscopy of Broad-line Blazars from 1LAC , ApJ748, 1949.

A. Franceschini, G. Rodighiero, and M. Vaccari, Extragalactic optical-infrared background radiation, its time evolution and the cosmic photon-photon opacity, vol.487, 2008.

C. Romoli, M. Boettcher, and M. Cerruti, observation of 3C 279 during optical and gamma-ray flares in, Talk at TeVPA2018, 2017.

G. Piano, A. Bulgarelli, and M. Tavani, AGILE detection of a gamma-ray flare from the FSRQ PKS 2023-07 , The Astronomer's Telegram 8879, 2016.

S. Ciprini, Fermi-LAT detection of a GeV gamma-ray flare from the blazar PKS 2023-07 , The Astronomer's Telegram 8932, 2016.

G. Emery, F. Jankowsky, and J. P. Lenain, Observations of blazar PKS 2023-07 in flaring state with HESS and Fermi-LAT in 2016-2017 and constraints on an intrinsic cut-off, 36th International Cosmic Ray Conference (ICRC2019), vol.36, p.669, 2019.
URL : https://hal.archives-ouvertes.fr/hal-02327729

S. Abdollahi, F. Acero, and M. Ackermann, Fermi Large Area Telescope Fourth Source Catalog, ApJS247, 1933.
URL : https://hal.archives-ouvertes.fr/hal-02309079

P. M. Kalberla, W. B. Burton, and D. Hartmann, The Leiden/Argentine/Bonn (LAB) Survey of Galactic HI. Final data release of the combined LDS and IAR surveys with improved stray-radiation corrections, A&A440, pp.775-782, 2005.

E. F. Schlafly and D. P. Finkbeiner, Measuring Reddening with Sloan Digital Sky Survey Stellar Spectra and Recalibrating SFD, ApJ737, 0103.

K. C. Chambers, E. A. Magnier, and N. Metcalfe, The Pan-STARRS1 Surveys, arXiv e-prints, 2016.

A. Domínguez, J. R. Primack, and D. J. Rosario, Extragalactic background light inferred from AEGIS galaxy-SED-type fractions, MNRAS410, 2011.

W. A. Rolke, A. M. López, and J. Conrad, Limits and confidence intervals in the presence of nuisance parameters, Nuclear Instruments and Methods in Physics Research A, vol.551, pp.493-503, 2005.

S. S. Wilks, The Large-Sample Distribution of the Likelihood Ratio for Testing Composite Hypotheses, Ann. Math. Statist, vol.9, issue.03, pp.60-62, 1938.

G. Casella and R. Berger, Statistical Inference. Duxbury Resource Center, 2001.

S. Abdollahi, M. Ackermann, and M. Ajello, A gamma-ray determination of the Universe's star formation history, Science, vol.362, 1031.
URL : https://hal.archives-ouvertes.fr/hal-01991332

G. Madejski and M. Sikora, Gamma-Ray Observations of Active Galactic Nuclei, vol.54, pp.725-760, 2016.

M. Meyer, J. D. Scargle, and R. D. Blandford, Characterizing the Gamma-Ray Variability of the Brightest Flat Spectrum Radio Quasars Observed with the Fermi LAT, ApJ877, 2019.

Y. Liu, D. R. Jiang, and M. F. Gu, The Jet Power, Radio Loudness, and Black Hole Mass in Radio-loud Active Galactic Nuclei, 2006.

J. Chevalier, telescopes and variability studies of the blazar PKS 2155-304 with SSC modelling. Theses, 2017.
URL : https://hal.archives-ouvertes.fr/tel-01690232

F. Brun, Q. Piel, M. De-naurois, and S. Bernhard, Analysis methods to search for transient events in ground-based very high energy ?-ray astronomy, Astroparticle Physics, vol.118, 2020.
URL : https://hal.archives-ouvertes.fr/hal-02475277

A. Wierzcholska, M. Zacharias, F. Jankowsky, S. Wagner, and H. E. , Monitoring of PKS 2155-304 in 2015 and 2016 , Galaxies, vol.7, 1921.

R. Gambini and J. Pullin, Nonstandard optics from quantum space-time, Phys. Rev, vol.59, 1999.

K. Nandra, I. M. George, R. F. Mushotzky, T. J. Turner, and T. Yaqoob, ASCA Observations of Seyfert 1 Galaxies. I. Data Analysis, Imaging, and Timing, pp.70-82, 1997.

T. J. Turner, I. M. George, K. Nandra, D. Turcan, and X. On, Seyfert Galaxies, ApJ524 (Oct., 1999) Oct. 667-673

A. Lawrence and I. Papadakis, X-Ray Variability of Active Galactic Nuclei: A Universal Power Spectrum with Luminosity-dependent Amplitude, ApJ414, 1993.

F. Aharonian, A. G. Akhperjanian, and G. Anton, Simultaneous multiwavelength observations of the second exceptional ?-ray flare of PKS 2155-304 in, A&A502, 2006.
URL : https://hal.archives-ouvertes.fr/in2p3-00410643

M. Zacharias, J. Sitarek, and D. D. Prester, The exceptional VHE gamma-ray outburst of PKS 1510-089 in May, 35th International Cosmic Ray Conference (ICRC2017), vol.301, p.655, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01903402

K. Chatterjee, M. Liska, A. Tchekhovskoy, and S. B. Markoff, Accelerating AGN jets to parsec scales using general relativistic MHD simulations, vol.490, 2019.

D. Giannios, Acceleration and emission of MHD driven, relativistic jets, Journal of Physics Conference Series, vol.283, p.12015, 2011.

Y. N. Istomin, Relativistic jets in active galactic nuclei: time variability, MNRAS408 (Oct., 2010) Oct, pp.1307-1312

G. Ghisellini, F. Tavecchio, G. Bodo, and A. Celotti, TeV variability in blazars: how fast can it be?, MNRAS393 (Feb., 2009) Feb. L16-L20

K. Katarzy?ski, J. P. Lenain, A. Zech, C. Boisson, and H. Sol, Modelling rapid TeV variability of PKS2155-304, vol.390, pp.371-376, 2008.

Y. H. Zhang, A. Celotti, and A. Treves, Rapid X-Ray Variability of the BL Lacertae Object PKS 2155-304, ApJ527, pp.719-732, 1999.

M. Cerruti, A. Zech, G. Emery, and D. Guarin, Hadronic modeling of TeV AGN: Gammas and neutrinos
URL : https://hal.archives-ouvertes.fr/hal-01554781

M. Cerruti, High-energy emission from active galactic nuclei, Catherine et Zech, Andreas Astronomie et Astrophysique Paris, 2012.
URL : https://hal.archives-ouvertes.fr/tel-02532715

M. Cerruti, A. Zech, C. Boisson, and S. Inoue, A hadronic origin for ultra-high-frequency-peaked BL Lac objects, ) Mar. 910-927, vol.448, 2015.
URL : https://hal.archives-ouvertes.fr/hal-02482646

A. Celotti and G. Ghisellini, The power of blazar jets, vol.385, 2008.

S. R. Kelner and F. A. Aharonian, Energy spectra of gamma rays, electrons, and neutrinos produced at interactions of relativistic protons with low energy radiation, Phys. Rev. D, vol.78, 2008.

M. G. Aartsen, K. Abraham, and M. Ackermann, All-sky Search for Time-integrated Neutrino Emission from Astrophysical Sources with 7 yr of IceCube Data, ApJ835, 0151.

P. Padovani, F. Oikonomou, M. Petropoulou, P. Giommi, and E. Resconi, TXS 0506+056, the first cosmic neutrino source, is not a BL Lac, MNRAS484 (Mar., 2019) Mar. L104-L108

S. Ansoldi, L. A. Antonelli, and C. Arcaro, The Blazar TXS 0506+056 Associated with a High-energy Neutrino: Insights into Extragalactic Jets and Cosmic-Ray Acceleration, ApJ863, 2018.
URL : https://hal.archives-ouvertes.fr/hal-01851257

A. Keivani, K. Murase, and M. Petropoulou, A Multimessenger Picture of the Flaring Blazar TXS 0506+056: Implications for High-energy Neutrino Emission and Cosmic-Ray Acceleration, ApJ864 (Sept, 1984.
URL : https://hal.archives-ouvertes.fr/hal-01851256

, qui est suivie par les descriptions de divers travaux réalisés pour analyser et utiliser des données de variabilité de blazars. Des jeux de données obtenus durant des périodes d'activités intenses de deux blazars (3C 279 et PKS 2022-077) ont été analysés et mis en relation avec les données multilongueurs d'onde contemporaines. Une nouvelle tâche de travail visant à caractériser de manière semi-systématique les épisodes d'activité de blazars est aussi introduite. Enfin, le manuscrit se termine par les résultats d'une exploration de l'espace des paramètres d, Résumé: Suite à chaque amélioration de notre connaissance de l'Univers, la résolution des zones d'ombre restantes dans nos théories nécessite l'utilisation de données de plus en plus détaillées, précises et variées

, Mots-clés: Noyaux actifs de galaxies; Astronomie; Très hautes énergies

. Variabilité,