A. A. Abdo, M. Ackermann, and I. Agudo, LARGE AREA TELESCOPE AND MULTI-WAVELENGTH OBSERVATIONS OF THE FLARING ACTIVITY OF PKS 1510-089 BETWEEN 2008 SEPTEMBER AND 2009 JUNE, The Astrophysical Journal, vol.721, issue.2, p.1425, 2010.
DOI : 10.1088/0004-637X/721/2/1425

M. F. Aller, H. D. Aller, and P. A. Hughes, Pearson???Readhead Survey Sources. II. The Long???Term Centimeter???Band Total Flux and Linear Polarization Properties of a Complete Radio Sample, The Astrophysical Journal, vol.586, issue.1, p.33, 2003.
DOI : 10.1086/367538

A. H. Andrei, J. Souchay, and N. Zacharias, The large quasar reference frame (LQRF), Astronomy and Astrophysics, vol.505, issue.1, p.385, 2009.
DOI : 10.1051/0004-6361/200912041

W. B. Atwood, A. A. Abdo, and M. Ackermann, MISSION, The Astrophysical Journal, vol.697, issue.2, p.1071, 2009.
DOI : 10.1088/0004-637X/697/2/1071
URL : https://hal.archives-ouvertes.fr/in2p3-00378934

D. Berge, S. Funk, and J. Hinton, Background modelling in very-high-energy ??-ray???astronomy, Astronomy and Astrophysics, vol.466, issue.3, p.1219, 2007.
DOI : 10.1051/0004-6361:20066674

E. M. Burbidge and T. D. Kinman, Redshifts of Fourteen Quasi-Stellar Radio Sources, The Astrophysical Journal, vol.145, p.654, 1966.
DOI : 10.1086/148808

S. Cutini and E. Hays, & the Fermi Large Area Telescope Collaboration, p.2033, 2009.

M. De-naurois and L. Rolland, A high performance likelihood reconstruction of ??-rays for imaging atmospheric Cherenkov telescopes, Astroparticle Physics, vol.32, issue.5, p.231, 2009.
DOI : 10.1016/j.astropartphys.2009.09.001
URL : https://hal.archives-ouvertes.fr/hal-00498977

A. Donea and R. J. Protheroe, Radiation fields of disk, BLR and torus in quasars and blazars: implications for ??-ray absorption, Astroparticle Physics, vol.18, issue.4, p.377, 2003.
DOI : 10.1016/S0927-6505(02)00155-X

A. Franceschini, G. Rodighiero, and M. Vaccari, Extragalactic optical-infrared background radiation, its time evolution and the cosmic photon-photon opacity, Astronomy and Astrophysics, vol.487, issue.3, p.837, 2008.
DOI : 10.1051/0004-6361:200809691

R. J. Gould and G. P. Schréder, Opacity of the Universe to High-Energy Photons, Physical Review Letters, vol.16, issue.6, p.252, 1966.
DOI : 10.1103/PhysRevLett.16.252

R. C. Hartman, D. L. Bertsch, and S. D. Bloom, The Third EGRET Catalog of High???Energy Gamma???Ray Sources, The Astrophysical Journal Supplement Series, vol.123, issue.1, p.79, 1999.
DOI : 10.1086/313231

M. Hauser, C. Möllenhoff, and G. Pühlhofer, ATOM - an Automatic Telescope for Optical Monitoring, Astronomische Nachrichten, vol.325, issue.6-8, p.659, 2004.
DOI : 10.1002/asna.200410305

J. Hinton, The status of the HESS project, New Astronomy Reviews, vol.48, issue.5-6, p.331, 2004.
DOI : 10.1016/j.newar.2003.12.004

D. C. Homan, R. Ojha, and J. F. Wardle, Parsec???Scale Blazar Monitoring: Proper Motions, The Astrophysical Journal, vol.549, issue.2, p.840, 2001.
DOI : 10.1086/319466
URL : http://arxiv.org/abs/astro-ph/0009301

D. C. Homan, J. F. Wardle, and C. C. Cheung, PKS 1510???089: A Head???on View of a Relativistic Jet, The Astrophysical Journal, vol.580, issue.2, p.742, 2002.
DOI : 10.1086/343894

S. G. Jorstad, A. P. Marscher, and M. L. Lister, Polarimetric Observations of 15 Active Galactic Nuclei at High Frequencies: Jet Kinematics from Bimonthly Monitoring with the Very Long Baseline Array, The Astronomical Journal, vol.130, issue.4, p.1418, 2005.
DOI : 10.1086/444593

S. G. Jorstad, A. P. Marscher, M. F. Aller, and T. J. Balonek, AGN Variability from X-Rays to Radio Waves, ASP Conf, p.169, 2006.

P. M. Kalberla, W. B. Burton, and D. Hartmann, The Leiden/Argentine/Bonn (LAB) Survey of Galactic HI, Astronomy and Astrophysics, vol.440, issue.2, p.775, 2005.
DOI : 10.1051/0004-6361:20041864

J. Kataoka, G. Madejski, and M. Sikora, Multiwavelength Observations of the Powerful Gamma???Ray Quasar PKS 1510???089: Clues on the Jet Composition, The Astrophysical Journal, vol.672, issue.2, p.787, 2008.
DOI : 10.1086/523093

T. Li and . Ma, Analysis methods for results in gamma-ray astronomy, The Astrophysical Journal, vol.272, p.317, 1983.
DOI : 10.1086/161295

H. T. Liu and J. M. Bai, Absorption of 10???200 GeV Gamma Rays by Radiation from Broad???Line Regions in Blazars, The Astrophysical Journal, vol.653, issue.2, p.1089, 2006.
DOI : 10.1086/509097

M. A. Malkan and R. L. Moore, The ultraviolet excess of quasars. III - The highly polarized quasars PKS 0736 + 017 and PKS 1510 - 089, The Astrophysical Journal, vol.300, p.216, 1986.
DOI : 10.1086/163796

S. Ohm, C. Van-eldik, and K. Egberts, ??/hadron separation in very-high-energy ??-ray astronomy using a multivariate analysis method, Astroparticle Physics, vol.31, issue.5, p.383, 2009.
DOI : 10.1016/j.astropartphys.2009.04.001

F. Piron, A. Djannati-ataï, and M. Punch, Temporal and spectral gamma-ray properties of Mkn 421 above 250 GeV from CAT observations between 1996 and 2000, Astronomy and Astrophysics, vol.374, issue.3, p.895, 2001.
DOI : 10.1051/0004-6361:20010798
URL : https://hal.archives-ouvertes.fr/in2p3-00010964

M. H. Salamon and F. W. Stecker, Absorption of High???Energy Gamma Rays by Interactions with Extragalactic Starlight Photons at High Redshifts and the High???Energy Gamma???Ray Background, The Astrophysical Journal, vol.493, issue.2, p.547, 1998.
DOI : 10.1086/305134

H. S. Stockman, R. L. Moore, and J. R. Angel, The optical polarization properties of 'normal' quasars, The Astrophysical Journal, vol.279, p.485, 1984.
DOI : 10.1086/161912

C. N. Tadhunter, R. Morganti, D. Serego-alighieri, and S. , Optical spectroscopy of a complete sample of southern 2-Jy radio sources*, Monthly Notices of the Royal Astronomical Society, vol.263, issue.4, p.999, 1993.
DOI : 10.1093/mnras/263.4.999

F. Tavecchio, J. Becerra-gonzalez, and G. Ghisellini, -ray emission from the flaring blazar PKS??1222+216, Astronomy & Astrophysics, vol.534, issue.733, pp.86-105, 2011.
DOI : 10.1051/0004-6361/201117204
URL : https://hal.archives-ouvertes.fr/hal-00109351

S. J. Wagner and A. Witzel, Intraday Variability in Quasars and BL LAC Objects, Annual Review of Astronomy and Astrophysics, vol.33, issue.1, p.163, 1995.
DOI : 10.1146/annurev.aa.33.090195.001115

M. Für-kernphysik and P. Box, Karl- Liebknecht-Strasse 24/25, 14476 Potsdam, Germany 11 Nicolaus Copernicus Astronomical Center, ul, 69029 Heidelberg, Germany 4 Dublin Institute for Advanced Studies, 31 Fitzwilliam Place UK 9 DESY, 15735 Zeuthen, Germany 10 Institut für Physik und Astronomie 19 Institut für Astronomie und Astrophysik, pp.0-716, 2520.

A. Adelaide and U. , 32 Institut für Astro-und Teilchenphysik, Leopold?Franzens- Universität Innsbruck, 6020 Innsbruck, Austria 33 Laboratoire d'Annecy-le-Vieux de Physique des Particules, 31 Instytut Fizyki J¸adrowejJ¸adrowej PAN, ul. Radzikowskiego Czech Republic 37 School of Physics & Astronomy, pp.31-342