The 2012 flare of PG 1553+113 seen with H.E.S.S. and Fermi-lat

A. Abramowski; F. Aharonian; F. Ait Benkhali; A. G. Akhperjanian; E. O. Angüner; M. Backes; S. Balenderan; A. Balzer; A. Barnacka; Y. Becherini; J. Becker Tjus; D. Berge; S. Bernhard; K. Bernlöhr; E. Birsin; J. Biteau; M. Böttcher; C. Boisson; J. Bolmont; P. Bordas; J. Bregeon; F. Brun; P. Brun; M. Bryan; T. Bulik; S. Carrigan; S. Casanova; P. M. Chadwick; N. Chakraborty; R. Chalme-Calvet; R. C.G. Chaves; M. Chrétien; S. Colafrancesco; G. Cologna; J. Conrad; C. Couturier; Y. Cui; M. Dalton; I. D. Davids; B. Degrange; C. Deil; P. Dewilt; A. Djannati-Ataï; W. Domainko; A. Donath; L. O. Drury; G. Dubus; K. Dutson; J. Dyks; M. Dyrda; T. Edwards; K. Egberts; P. Eger; P. Espigat; C. Farnier; S. Fegan; F. Feinstein; M. V. Fernandes; D. Fernandez; A. Fiaßon; G. Fontaine; A. Förster; M. Füssling; S. Gabici; M. Gajdus; Y. A. Gallant; T. Garrigoux; G. Giavitto; B. Giebels; J. F. Glicenstein; D. Gottschall; M. H. Grondin; M. Grudzińska; D. Hadsch; S. Häffner; J. Hahn; J. Harris; G. Heinzelmann; G. Henri; G. Hermann; O. Hervet; A. Hillert; J. A. Hinton; W. Hofmann; P. Hofverberg; M. Holler; D. Horns; A. Ivascenko; A. Jacholkowska; C. Jahn; M. Jamrozy; M. Janiak; F. Jankowsky; I. Jung; M. A. Kastendieck; K. Katarzyński; U. Katz; S. Kaufmann; B. Khélifi; M. Kieffer; S. Klepser; D. Klochkov; W. Kluźniak; D. Kolitzus; Nu Komin; K. Kosack; S. Krakau; F. Krayzel; P. P. Krüger; H. Laffon; G. Lamanna; J. Lefaucheur; V. Lefranc; A. Lemiére; M. Lemoine-Goumard; J. P. Lenain; T. Lohse; A. Lopatin; C. C. Lu; V. Marandon; A. Marcowith; R. Marx; G. Maurin; N. Maxted; M. Mayer; T. J.L. McComb; J. Méhault; P. J. Meintjes; U. Menzler; M. Meyer; A. M.W. Mitchell; R. Moderski; M. Mohamed; K. Morå; E. Moulin; T. Murach; M. De Naurois; J. Niemiec; S. J. Nolan; L. Oakes; H. Odaka; S. Ohm; B. Opitz; M. Ostrowski; I. Oya; M. Panter; R. D. Parsons; M. Paz Arribas; N. W. Pekeur; G. Pelletier; J. Perez; P. O. Petrucci; B. Peyaud; S. Pita; H. Poon; G. Pühlhofer; M. Punch; A. Quirrenbach; S. Raab; I. Reichardt; A. Reimer; O. Reimer; M. Renaud; R. De Los Reyes; F. Rieger; L. Rob; C. Romoli; S. Rosier-Lees; G. Rowell; B. Rudak; C. B. Rulten; V. Sahakian; D. Salek; D. A. Sanchez; A. Santangelo; R. Schlickeiser; F. Schüssler; A. Schulz; U. Schwanke; S. Schwarzburg; S. Schwemmer; H. Sol; F. Spanier; G. Spengler; F. Spies; Stawarz; R. Steenkamp; C. Stegmann; F. Stinzing; K. Stycz; I. Sushch; J. P. Tavernet; T. Tavernier; A. M. Taylor; R. Terrier; M. Tluczykont; C. Trichard; K. Valerius; C. Van Eldik; B. Van Soelen; G. Vasileiadis; J. Veh; C. Venter; A. Viana; P. Vincent; J. Vink; H. J. Völk; F. Volpe; M. Vorster; T. Vuillaume; P. Wagner; R. M. Wagner; M. Ward; M. Weidinger; Q. Weitzel; R. White; A. Wierzcholska; P. Willmann; A. Wörnlein; D. Wouters; R. Yang; V. Zabalza; D. Zaborov; M. Zacharias; A. A. Zdziarski; A. Zech; H. S. Zechlin

doi:10.1088/0004-637X/802/1/65

The 2012 flare of PG 1553+113 seen with H.E.S.S. and Fermi-lat

A. Abramowski
, F. Aharonian
, F. Ait Benkhali
, A. G. Akhperjanian
, E. O. Angüner
, M. Backes
, S. Balenderan
, A. Balzer
, A. Barnacka
, Y. Becherini
, J. Becker Tjus
, D. Berge
, S. Bernhard
, K. Bernlöhr
, E. Birsin
, J. Biteau
, M. Böttcher
, C. Boisson
, J. Bolmont
, P. Bordas

J. Bregeon, F. Brun, P. Brun, M. Bryan, T. Bulik, S. Carrigan, S. Casanova, P. M. Chadwick, N. Chakraborty, R. Chalme-Calvet, R. C.G. Chaves, M. Chrétien, S. Colafrancesco, G. Cologna, J. Conrad, C. Couturier, Y. Cui, M. Dalton, I. D. Davids, B. Degrange, C. Deil, P. Dewilt, A. Djannati-Ataï, W. Domainko, A. Donath, L. O. Drury, G. Dubus, K. Dutson, J. Dyks, M. Dyrda, T. Edwards, K. Egberts, P. Eger, P. Espigat, C. Farnier, S. Fegan, F. Feinstein, M. V. Fernandes, D. Fernandez, A. Fiaßon, G. Fontaine, A. Förster, M. Füssling, S. Gabici, M. Gajdus, Y. A. Gallant, T. Garrigoux, G. Giavitto, B. Giebels, J. F. Glicenstein, D. Gottschall, M. H. Grondin, M. Grudzińska, D. Hadsch, S. Häffner, J. Hahn, J. Harris, G. Heinzelmann, G. Henri, G. Hermann, O. Hervet, A. Hillert, J. A. Hinton, W. Hofmann, P. Hofverberg, M. Holler, D. Horns, A. Ivascenko, A. Jacholkowska, C. Jahn, M. Jamrozy, M. Janiak, F. Jankowsky, I. Jung, M. A. Kastendieck, K. Katarzyński, U. Katz, S. Kaufmann, B. Khélifi, M. Kieffer, S. Klepser, D. Klochkov, W. Kluźniak, D. Kolitzus, Nu Komin, K. Kosack, S. Krakau, F. Krayzel, P. P. Krüger, H. Laffon, G. Lamanna, J. Lefaucheur, V. Lefranc, A. Lemiére, M. Lemoine-Goumard, J. P. Lenain, T. Lohse, A. Lopatin, C. C. Lu, V. Marandon, A. Marcowith, R. Marx, G. Maurin, N. Maxted, M. Mayer, T. J.L. McComb, J. Méhault, P. J. Meintjes, U. Menzler, M. Meyer, A. M.W. Mitchell, R. Moderski, M. Mohamed, K. Morå, E. Moulin, T. Murach, M. De Naurois, J. Niemiec, S. J. Nolan, L. Oakes, H. Odaka, S. Ohm, B. Opitz, M. Ostrowski, I. Oya, M. Panter, R. D. Parsons, M. Paz Arribas, N. W. Pekeur, G. Pelletier, J. Perez, P. O. Petrucci, B. Peyaud, S. Pita, H. Poon, G. Pühlhofer, M. Punch, A. Quirrenbach, S. Raab, I. Reichardt, A. Reimer, O. Reimer, M. Renaud, R. De Los Reyes, F. Rieger, L. Rob, C. Romoli, S. Rosier-Lees, G. Rowell, B. Rudak, C. B. Rulten, V. Sahakian, D. Salek, D. A. Sanchez, A. Santangelo, R. Schlickeiser, F. Schüssler, A. Schulz, U. Schwanke, S. Schwarzburg, S. Schwemmer, H. Sol, F. Spanier, G. Spengler, F. Spies, Stawarz, R. Steenkamp, C. Stegmann, F. Stinzing, K. Stycz, I. Sushch, J. P. Tavernet, T. Tavernier, A. M. Taylor, R. Terrier, M. Tluczykont, C. Trichard, K. Valerius, C. Van Eldik, B. Van Soelen, G. Vasileiadis, J. Veh, C. Venter, A. Viana, P. Vincent, J. Vink, H. J. Völk, F. Volpe, M. Vorster, T. Vuillaume, P. Wagner, R. M. Wagner, M. Ward, M. Weidinger, Q. Weitzel, R. White, A. Wierzcholska, P. Willmann, A. Wörnlein, D. Wouters, R. Yang, V. Zabalza, D. Zaborov, M. Zacharias, A. A. Zdziarski, A. Zech, H. S. Zechlin

Universität Hamburg
Max-Planck-Institut für Kernphysik
Dublin Institute for Advanced Studies
National Academy of Sciences of Armenia
Yerevan Physics Institute
Humboldt-Universität zu Berlin
University of Namibia
Durham University
University of Amsterdam
Jagiellonian University
Center for Astrophysics | Harvard & Smithsonian
Linnaeus University, Växjö
Ruhr-University Bochum
Medical University of Innsbruck
University of California at Santa Cruz
North-West University
LUTH - Laboratoire de l'Univers et de ses Theories
Universités Paris VI and VII
University of Tübingen
Laboratoire Univers et Particules de Montpellier
Universite Paris-Saclay
University of Warsaw
Institute for Nuclear Physics
University of the Witwatersrand, Johannesburg
Landessternwarte Heidelberg
Stockholm University
Univ. Bordeaux
University of Adelaide
Astroparticule and Cosmol APC
LTHE (UMR 5564 CNRS/IRD/Université de Grenoble)
University of Leicester
Nicolaus Copernicus Astronomical Center of the Polish Academy of Sciences
University of Potsdam
Université Savoie Mont Blanc
c/o DESY
Friedrich-Alexander University (FAU) Erlangen-Nürnberg and Universitätsklinikum Erlangen
Nicolaus Copernicus University
University of the Free State
Charles University

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

Very high energy (VHE, E > 100 GeV) γ-ray flaring activity of the high-frequency peaked BL Lac object PG 1553+113 has been detected by the H.E.S.S. telescopes. The flux of the source increased by a factor of 3 during the nights of 2012 April 26 and 27 with respect to the archival measurements with a hint of intra-night variability. No counterpart of this event has been detected in the Fermi-Large Area Telescope data. This pattern is consistent with VHE γ-ray flaring being caused by the injection of ultrarelativistic particles, emitting γ-rays at the highest energies. The dataset offers a unique opportunity to constrain the redshift of this source at z = 0.49 ± 0.04 using a novel method based on Bayesian statistics. The indication of intra-night variability is used to introduce a novel method to probe for a possible Lorentz invariance violation (LIV), and to set limits on the energy scale at which Quantum Gravity (QG) effects causing LIV may arise. For the subluminal case, the derived limits are E_QG,1 > 4.10 × 10¹⁷ GeV and E_QG,2 > 2.10 × 10¹⁰ GeV for linear and quadratic LIV effects, respectively.

langue originale	Anglais
Numéro d'article	65
journal	Astrophysical Journal
Volume	802
Numéro de publication	1
Les DOIs	https://doi.org/10.1088/0004-637X/802/1/65
état	Publié - 20 mars 2015

Accès au document

10.1088/0004-637X/802/1/65

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Abramowski, A., Aharonian, F., Benkhali, F. A., Akhperjanian, A. G., Angüner, E. O., Backes, M., Balenderan, S., Balzer, A., Barnacka, A., Becherini, Y., Tjus, J. B., Berge, D., Bernhard, S., Bernlöhr, K., Birsin, E., Biteau, J., Böttcher, M., Boisson, C., Bolmont, J., ... Zechlin, H. S. (2015). The 2012 flare of PG 1553+113 seen with H.E.S.S. and Fermi-lat. Astrophysical Journal, 802(1), Article 65. https://doi.org/10.1088/0004-637X/802/1/65

@article{01e15eb8d7984421a35ad0482d0f00cd,

title = "The 2012 flare of PG 1553+113 seen with H.E.S.S. and Fermi-lat",

abstract = "Very high energy (VHE, E > 100 GeV) γ-ray flaring activity of the high-frequency peaked BL Lac object PG 1553+113 has been detected by the H.E.S.S. telescopes. The flux of the source increased by a factor of 3 during the nights of 2012 April 26 and 27 with respect to the archival measurements with a hint of intra-night variability. No counterpart of this event has been detected in the Fermi-Large Area Telescope data. This pattern is consistent with VHE γ-ray flaring being caused by the injection of ultrarelativistic particles, emitting γ-rays at the highest energies. The dataset offers a unique opportunity to constrain the redshift of this source at z = 0.49 ± 0.04 using a novel method based on Bayesian statistics. The indication of intra-night variability is used to introduce a novel method to probe for a possible Lorentz invariance violation (LIV), and to set limits on the energy scale at which Quantum Gravity (QG) effects causing LIV may arise. For the subluminal case, the derived limits are EQG,1 > 4.10 × 1017 GeV and EQG,2 > 2.10 × 1010 GeV for linear and quadratic LIV effects, respectively.",

keywords = "BL Lacertae objects: individual (PG 1553+113), galaxies: active, galaxies: distances and redshifts, gamma-rays: galaxies",

author = "A. Abramowski and F. Aharonian and Benkhali, \{F. Ait\} and Akhperjanian, \{A. G.\} and Ang{\"u}ner, \{E. O.\} and M. Backes and S. Balenderan and A. Balzer and A. Barnacka and Y. Becherini and Tjus, \{J. Becker\} and D. Berge and S. Bernhard and K. Bernl{\"o}hr and E. Birsin and J. Biteau and M. B{\"o}ttcher and C. Boisson and J. Bolmont and P. Bordas and J. Bregeon and F. Brun and P. Brun and M. Bryan and T. Bulik and S. Carrigan and S. Casanova and Chadwick, \{P. M.\} and N. Chakraborty and R. Chalme-Calvet and Chaves, \{R. C.G.\} and M. Chr{\'e}tien and S. Colafrancesco and G. Cologna and J. Conrad and C. Couturier and Y. Cui and M. Dalton and Davids, \{I. D.\} and B. Degrange and C. Deil and P. Dewilt and A. Djannati-Ata{\"i} and W. Domainko and A. Donath and Drury, \{L. O.\} and G. Dubus and K. Dutson and J. Dyks and M. Dyrda and T. Edwards and K. Egberts and P. Eger and P. Espigat and C. Farnier and S. Fegan and F. Feinstein and Fernandes, \{M. V.\} and D. Fernandez and A. Fia{\ss}on and G. Fontaine and A. F{\"o}rster and M. F{\"u}ssling and S. Gabici and M. Gajdus and Gallant, \{Y. A.\} and T. Garrigoux and G. Giavitto and B. Giebels and Glicenstein, \{J. F.\} and D. Gottschall and Grondin, \{M. H.\} and M. Grudzi{\'n}ska and D. Hadsch and S. H{\"a}ffner and J. Hahn and J. Harris and G. Heinzelmann and G. Henri and G. Hermann and O. Hervet and A. Hillert and Hinton, \{J. A.\} and W. Hofmann and P. Hofverberg and M. Holler and D. Horns and A. Ivascenko and A. Jacholkowska and C. Jahn and M. Jamrozy and M. Janiak and F. Jankowsky and I. Jung and Kastendieck, \{M. A.\} and K. Katarzy{\'n}ski and U. Katz and S. Kaufmann and B. Kh{\'e}lifi and M. Kieffer and S. Klepser and D. Klochkov and W. Klu{\'z}niak and D. Kolitzus and Nu Komin and K. Kosack and S. Krakau and F. Krayzel and Kr{\"u}ger, \{P. P.\} and H. Laffon and G. Lamanna and J. Lefaucheur and V. Lefranc and A. Lemi{\'e}re and M. Lemoine-Goumard and Lenain, \{J. P.\} and T. Lohse and A. Lopatin and Lu, \{C. C.\} and V. Marandon and A. Marcowith and R. Marx and G. Maurin and N. Maxted and M. Mayer and McComb, \{T. J.L.\} and J. M{\'e}hault and Meintjes, \{P. J.\} and U. Menzler and M. Meyer and Mitchell, \{A. M.W.\} and R. Moderski and M. Mohamed and K. Mor{\aa} and E. Moulin and T. Murach and Naurois, \{M. De\} and J. Niemiec and Nolan, \{S. J.\} and L. Oakes and H. Odaka and S. Ohm and B. Opitz and M. Ostrowski and I. Oya and M. Panter and Parsons, \{R. D.\} and \{Paz Arribas\}, M. and Pekeur, \{N. W.\} and G. Pelletier and J. Perez and Petrucci, \{P. O.\} and B. Peyaud and S. Pita and H. Poon and G. P{\"u}hlhofer and M. Punch and A. Quirrenbach and S. Raab and I. Reichardt and A. Reimer and O. Reimer and M. Renaud and \{De Los Reyes\}, R. and F. Rieger and L. Rob and C. Romoli and S. Rosier-Lees and G. Rowell and B. Rudak and Rulten, \{C. B.\} and V. Sahakian and D. Salek and Sanchez, \{D. A.\} and A. Santangelo and R. Schlickeiser and F. Sch{\"u}ssler and A. Schulz and U. Schwanke and S. Schwarzburg and S. Schwemmer and H. Sol and F. Spanier and G. Spengler and F. Spies and Stawarz and R. Steenkamp and C. Stegmann and F. Stinzing and K. Stycz and I. Sushch and Tavernet, \{J. P.\} and T. Tavernier and Taylor, \{A. M.\} and R. Terrier and M. Tluczykont and C. Trichard and K. Valerius and \{Van Eldik\}, C. and \{Van Soelen\}, B. and G. Vasileiadis and J. Veh and C. Venter and A. Viana and P. Vincent and J. Vink and V{\"o}lk, \{H. J.\} and F. Volpe and M. Vorster and T. Vuillaume and P. Wagner and Wagner, \{R. M.\} and M. Ward and M. Weidinger and Q. Weitzel and R. White and A. Wierzcholska and P. Willmann and A. W{\"o}rnlein and D. Wouters and R. Yang and V. Zabalza and D. Zaborov and M. Zacharias and Zdziarski, \{A. A.\} and A. Zech and Zechlin, \{H. S.\}",

year = "2015",

month = mar,

day = "20",

doi = "10.1088/0004-637X/802/1/65",

language = "English",

volume = "802",

journal = "Astrophysical Journal",

issn = "0004-637X",

number = "1",

}

Abramowski, A, Aharonian, F, Benkhali, FA, Akhperjanian, AG, Angüner, EO, Backes, M, Balenderan, S, Balzer, A, Barnacka, A, Becherini, Y, Tjus, JB, Berge, D, Bernhard, S, Bernlöhr, K, Birsin, E, Biteau, J, Böttcher, M, Boisson, C, Bolmont, J, Bordas, P, Bregeon, J, Brun, F, Brun, P, Bryan, M, Bulik, T, Carrigan, S, Casanova, S, Chadwick, PM, Chakraborty, N, Chalme-Calvet, R, Chaves, RCG, Chrétien, M, Colafrancesco, S, Cologna, G, Conrad, J, Couturier, C, Cui, Y, Dalton, M, Davids, ID, Degrange, B, Deil, C, Dewilt, P, Djannati-Ataï, A, Domainko, W, Donath, A, Drury, LO, Dubus, G, Dutson, K, Dyks, J, Dyrda, M, Edwards, T, Egberts, K, Eger, P, Espigat, P, Farnier, C, Fegan, S, Feinstein, F, Fernandes, MV, Fernandez, D, Fiaßon, A, Fontaine, G, Förster, A, Füssling, M, Gabici, S, Gajdus, M, Gallant, YA, Garrigoux, T, Giavitto, G, Giebels, B, Glicenstein, JF, Gottschall, D, Grondin, MH, Grudzińska, M, Hadsch, D, Häffner, S, Hahn, J, Harris, J, Heinzelmann, G, Henri, G, Hermann, G, Hervet, O, Hillert, A, Hinton, JA, Hofmann, W, Hofverberg, P, Holler, M, Horns, D, Ivascenko, A, Jacholkowska, A, Jahn, C, Jamrozy, M, Janiak, M, Jankowsky, F, Jung, I, Kastendieck, MA, Katarzyński, K, Katz, U, Kaufmann, S, Khélifi, B, Kieffer, M, Klepser, S, Klochkov, D, Kluźniak, W, Kolitzus, D, Komin, N, Kosack, K, Krakau, S, Krayzel, F, Krüger, PP, Laffon, H, Lamanna, G, Lefaucheur, J, Lefranc, V, Lemiére, A, Lemoine-Goumard, M, Lenain, JP, Lohse, T, Lopatin, A, Lu, CC, Marandon, V, Marcowith, A, Marx, R, Maurin, G, Maxted, N, Mayer, M, McComb, TJL, Méhault, J, Meintjes, PJ, Menzler, U, Meyer, M, Mitchell, AMW, Moderski, R, Mohamed, M, Morå, K, Moulin, E, Murach, T, Naurois, MD, Niemiec, J, Nolan, SJ, Oakes, L, Odaka, H, Ohm, S, Opitz, B, Ostrowski, M, Oya, I, Panter, M, Parsons, RD, Paz Arribas, M, Pekeur, NW, Pelletier, G, Perez, J, Petrucci, PO, Peyaud, B, Pita, S, Poon, H, Pühlhofer, G, Punch, M, Quirrenbach, A, Raab, S, Reichardt, I, Reimer, A, Reimer, O, Renaud, M, De Los Reyes, R, Rieger, F, Rob, L, Romoli, C, Rosier-Lees, S, Rowell, G, Rudak, B, Rulten, CB, Sahakian, V, Salek, D, Sanchez, DA, Santangelo, A, Schlickeiser, R, Schüssler, F, Schulz, A, Schwanke, U, Schwarzburg, S, Schwemmer, S, Sol, H, Spanier, F, Spengler, G, Spies, F, Stawarz, Steenkamp, R, Stegmann, C, Stinzing, F, Stycz, K, Sushch, I, Tavernet, JP, Tavernier, T, Taylor, AM, Terrier, R, Tluczykont, M, Trichard, C, Valerius, K, Van Eldik, C, Van Soelen, B, Vasileiadis, G, Veh, J, Venter, C, Viana, A, Vincent, P, Vink, J, Völk, HJ, Volpe, F, Vorster, M, Vuillaume, T, Wagner, P, Wagner, RM, Ward, M, Weidinger, M, Weitzel, Q, White, R, Wierzcholska, A, Willmann, P, Wörnlein, A, Wouters, D, Yang, R, Zabalza, V, Zaborov, D, Zacharias, M, Zdziarski, AA, Zech, A & Zechlin, HS 2015, 'The 2012 flare of PG 1553+113 seen with H.E.S.S. and Fermi-lat', Astrophysical Journal, VOL. 802, Numéro 1, 65. https://doi.org/10.1088/0004-637X/802/1/65

TY - JOUR

T1 - The 2012 flare of PG 1553+113 seen with H.E.S.S. and Fermi-lat

AU - Abramowski, A.

AU - Aharonian, F.

AU - Benkhali, F. Ait

AU - Akhperjanian, A. G.

AU - Angüner, E. O.

AU - Backes, M.

AU - Balenderan, S.

AU - Balzer, A.

AU - Barnacka, A.

AU - Becherini, Y.

AU - Tjus, J. Becker

AU - Berge, D.

AU - Bernhard, S.

AU - Bernlöhr, K.

AU - Birsin, E.

AU - Biteau, J.

AU - Böttcher, M.

AU - Boisson, C.

AU - Bolmont, J.

AU - Bordas, P.

AU - Bregeon, J.

AU - Brun, F.

AU - Brun, P.

AU - Bryan, M.

AU - Bulik, T.

AU - Carrigan, S.

AU - Casanova, S.

AU - Chadwick, P. M.

AU - Chakraborty, N.

AU - Chalme-Calvet, R.

AU - Chaves, R. C.G.

AU - Chrétien, M.

AU - Colafrancesco, S.

AU - Cologna, G.

AU - Conrad, J.

AU - Couturier, C.

AU - Cui, Y.

AU - Dalton, M.

AU - Davids, I. D.

AU - Degrange, B.

AU - Deil, C.

AU - Dewilt, P.

AU - Djannati-Ataï, A.

AU - Domainko, W.

AU - Donath, A.

AU - Drury, L. O.

AU - Dubus, G.

AU - Dutson, K.

AU - Dyks, J.

AU - Dyrda, M.

AU - Edwards, T.

AU - Egberts, K.

AU - Eger, P.

AU - Espigat, P.

AU - Farnier, C.

AU - Fegan, S.

AU - Feinstein, F.

AU - Fernandes, M. V.

AU - Fernandez, D.

AU - Fiaßon, A.

AU - Fontaine, G.

AU - Förster, A.

AU - Füssling, M.

AU - Gabici, S.

AU - Gajdus, M.

AU - Gallant, Y. A.

AU - Garrigoux, T.

AU - Giavitto, G.

AU - Giebels, B.

AU - Glicenstein, J. F.

AU - Gottschall, D.

AU - Grondin, M. H.

AU - Grudzińska, M.

AU - Hadsch, D.

AU - Häffner, S.

AU - Hahn, J.

AU - Harris, J.

AU - Heinzelmann, G.

AU - Henri, G.

AU - Hermann, G.

AU - Hervet, O.

AU - Hillert, A.

AU - Hinton, J. A.

AU - Hofmann, W.

AU - Hofverberg, P.

AU - Holler, M.

AU - Horns, D.

AU - Ivascenko, A.

AU - Jacholkowska, A.

AU - Jahn, C.

AU - Jamrozy, M.

AU - Janiak, M.

AU - Jankowsky, F.

AU - Jung, I.

AU - Kastendieck, M. A.

AU - Katarzyński, K.

AU - Katz, U.

AU - Kaufmann, S.

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PY - 2015/3/20

Y1 - 2015/3/20

N2 - Very high energy (VHE, E > 100 GeV) γ-ray flaring activity of the high-frequency peaked BL Lac object PG 1553+113 has been detected by the H.E.S.S. telescopes. The flux of the source increased by a factor of 3 during the nights of 2012 April 26 and 27 with respect to the archival measurements with a hint of intra-night variability. No counterpart of this event has been detected in the Fermi-Large Area Telescope data. This pattern is consistent with VHE γ-ray flaring being caused by the injection of ultrarelativistic particles, emitting γ-rays at the highest energies. The dataset offers a unique opportunity to constrain the redshift of this source at z = 0.49 ± 0.04 using a novel method based on Bayesian statistics. The indication of intra-night variability is used to introduce a novel method to probe for a possible Lorentz invariance violation (LIV), and to set limits on the energy scale at which Quantum Gravity (QG) effects causing LIV may arise. For the subluminal case, the derived limits are EQG,1 > 4.10 × 1017 GeV and EQG,2 > 2.10 × 1010 GeV for linear and quadratic LIV effects, respectively.

AB - Very high energy (VHE, E > 100 GeV) γ-ray flaring activity of the high-frequency peaked BL Lac object PG 1553+113 has been detected by the H.E.S.S. telescopes. The flux of the source increased by a factor of 3 during the nights of 2012 April 26 and 27 with respect to the archival measurements with a hint of intra-night variability. No counterpart of this event has been detected in the Fermi-Large Area Telescope data. This pattern is consistent with VHE γ-ray flaring being caused by the injection of ultrarelativistic particles, emitting γ-rays at the highest energies. The dataset offers a unique opportunity to constrain the redshift of this source at z = 0.49 ± 0.04 using a novel method based on Bayesian statistics. The indication of intra-night variability is used to introduce a novel method to probe for a possible Lorentz invariance violation (LIV), and to set limits on the energy scale at which Quantum Gravity (QG) effects causing LIV may arise. For the subluminal case, the derived limits are EQG,1 > 4.10 × 1017 GeV and EQG,2 > 2.10 × 1010 GeV for linear and quadratic LIV effects, respectively.

KW - BL Lacertae objects: individual (PG 1553+113)

KW - galaxies: active

KW - galaxies: distances and redshifts

KW - gamma-rays: galaxies

UR - https://www.scopus.com/pages/publications/84925882404

U2 - 10.1088/0004-637X/802/1/65

DO - 10.1088/0004-637X/802/1/65

M3 - Article

AN - SCOPUS:84925882404

SN - 0004-637X

VL - 802

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 1

M1 - 65

ER -

The 2012 flare of PG 1553+113 seen with H.E.S.S. and Fermi-lat

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