HIGH ENERGY GAMMA-RAY

ASTRONOMY

5th International Meeting on High Energy Gamma-RayAstronomy

Heidelberg, Germany 9-13 July 2012

EDITORS

Felix A. Aharonian

Dublin Institute for Advanced Studies, Dublin, Ireland

Max-Planck-lnstitut fur Kernphyslk, Heidelberg, Germany

Werner Hofmann

Frank M. RiegerMax-Planck-lnstitut fur Kernphyslk, Heidelberg, Germany

No claim is made to original U.S. Government works.

2012Heidelberg

American Instituteof Physics

Melville, New York, 2012

AIP | CONFERENCE PROCEEDINGS 1505

AIP Conference Proceedings, Volume 1505

High Energy Gamma-Ray Astronomy5th International Meeting on High Energy Gamma-Ray Astronomy

Table of Contents

Preface

Felix A. Aharonian, Werner Hofmann, and Frank M. Rieger 1

Organizing Committees (SOC and LOC) N/A

INVITED REVIEWS AND SOLICITED TALKS

The distribution of SNRs with galactocentric radius

D. A. Green 5

Plerionic supernova remnants

Samar Safi-Harb 13

Interstellar protons toward y-ray SNRs

Yasuo Fukui 21

Pulsed gamma-ray emission from the Crab

Dmitry Khangulyan, Felix A. Aharonian, and Sergey V. Bogovalov 29

Diffuse galactic radiation

Jean-Marc Casandjian 37

Galactic cosmic ray origin sites: Supernova remnants and

superbubblesA. M. Bykov, D. C. Ellison, P. E. Gladilin, and S. M. Osipov 46

Starburst galaxies: A look into the workings of cosmic ray factories

Brian C. Lacki and Todd A. Thompson 56

y-rays from starburst galaxiesStefan Ohm 64

v

Large-scale components of radio galaxies in gamma raysMartin J. Hardcastle 72

On the origin of very high energy y-rays from radio galaxiesFrank M. Rieger 80

GRB prompt emission: Open questions, debates, and a personal view

Bing Zhang 88

Magnetic reconnection in turbulent plasmas and gamma ray bursts

A. Lazarian and Huirong Yan 101

Extragalactic background light and extragalactic magnetic fields

Andrew M. Taylor 116

Summary of extragalactic news and progressMarkus Bottcher 128

The search for the sources of ultrahigh-energy cosmic rays

Stefan Westerhoff 144

GAMMA 2012: Summary of cosmic ray news and progress

Karl-Heinz Kampert 156

Searches for particle dark matter with gamma-rays

Jan Conrad 166

Nonthermal X-ray astronomyYasunobu Uchiyama 177

Highlights from the MAGIC telescopesDaniel Mazin and MAGIC Collaboration 186

Highlights from H.E.S.S.

Christian Stegmann and H.E.S.S. collaboration 194

Status and highlights of VERITAS

Nicola Galante and VERITAS Collaboration 202

The latest nus from IceCubc

Ignacio Taboada and IceCube Collaboration 209

vi

GALACTIC SOURCES

Ongoing cosmic ray acceleration in the supernova remnant W51C

revealed with the MAGIC telescopesJ. Krause, I. Reichardt, E. Carmona, S. R. Gozzini, F. Jankowski,

and MAGIC Collaboration 217

AGILE and SNRs: A comparison between W44 and W28

M. Cardillo, A. Giuliani, and M. Tavani 221

Fermi-LAT and WMAP observations of the Puppis A supernova

remnant

M. Lemoine-Goumard, M.-H. Grondin, J. W. Hewitt, T. Reposeur,and Fermi-LAT Collaboration 225

Constraints on cosmic-ray efficiency in the supernova remnant

RCW 86

M. Renaud, M. Lemoine-Goumard, J. Vink, G. E. Allen, A. Bamba,

F. Giordano, Y. Uchiyama, and Fermi/LAT Collaboration 229

Cosmic-ray acceleration at young and middle-aged supernova

remnants interacting with interstellar clouds

Ryo Yamazaki, Tsuyoshi Inoue, Yutaka Ohira, Shu-ichiro Inutsuka,

and Yasuo Fukui 233

Fermi acceleration at supernova remnant shocks

D. Caprioli 237

Nonlinear shock acceleration and y-ray emission from Tycho and

KeplerG. Morlino and D. Caprioli 241

On the maximum energy and escape of accelerated particles in young

supernova remnants

Vikram V. Dwarkadas, Igor Telezhinsky, and Martin Pohl 245

Cosmic ray diffusion close to supernova remnants: Isotropic vs

anisotropic modelLara Nava and Stefano Gabici 249

vii

Dense gas towards the RXJ1713.7-3946 supernova remnant

Nigel I. Maxted, Gavin P. Rowell, Bruce R. Dawson,Michael G. Burton, Yasuo Fukui, Andrew J. Walsh,Akiko Kawamura, Hidetoshi Sano, and Jasmina Lazendic 253

TeV gamma rays from supernova remnants

P. Cristofari and S. Gabici 257

An extended source of GeV gamma rays coincident with the

supernova remnant HB 21

Ignasi Reichardt, Emma De Ona-Wilhelmi, Javier Rico,and Rui-zhi Yang 261

GeV analysis of mixed morphology supernova remnants interactingwith molecular clouds

Tiiliin Ergin and E. Nihal Ercan 265

Chandra observations of the HII complex G5.89-0.39 and TeV source

HESSJ1800-240B

E. Hampton, G. Rowell, D. Horns, Y. Uchiyama, S. Funk, S. Wagner,and H.E.S.S Collaboration 269

Extended VHE y-ray emission towards SGR1806-20 and stellar

cluster CI 1806-20

Gavin Rowell, Mathieu De Naurois, Arache Djannati Atai,Yves Gallant, and H.E.S.S. Collaboration 273

A study of dense molecular gas towards galactic TeV y-ray sources

P. de Wilt, G. Rowell, B. Dawson, A. J. Walsh, M. Burton,K. J. Brooks, J. Rathborne, and F. Aharonian 277

Jets from massive protostars as gamma-ray sources: The case of

IRAS 18162-2048

Anabella T. Araudo and Luis F. Rodriguez 281

X-ray observations of IRAS 16547-4247 in the context of a

broadband leptonic model

P. Munar-Adrover, J. M. Paredes, V. Bosch-Ramon, and K. Iwasawa 285

Non-thermal radiation from a runaway early-type star

Maria Victoria del Valle, Gustavo E. Romero, and Michael De Becker 289

viii

Fermi-LAT detection of gamma-ray pulsars above 10 GeV

P. M. Saz Parkinson and Fermi-LAT Collaboration 293

VERITAS observations of the Crab pulsar

Benjamin Zitzer and VERITAS Collaboration 297

VHE gamma-ray measurements of the Crab nebula and pulsar by

MAGIC

G. Giavitto, S. Klepser, M. Lopez, D. Mazin, T. Saito, T. Schweizer,

R. Zanin, K. Hirotani, D. Horns, M. Meyer, and J. Martin Rodriguez 301

Follow-up observations of the Crab pulsar with MAGIC

and re-analysis of archival data

T. Y. Saito, F. Dazzi, G. Giavitto, K. Hirotani, S. Klepser, M. Lopez,D. Nakajima, T. Schweizer, R. Zanin, and MAGIC Collaboration 305

A search for short-term variability in the very high energy y-ray

emission from the Crab nebula

Anna O'Faolain de Bhroithe and VERITAS Collaboration 309

IC model of pulsar high energy emission

Maxim Lyutikov 313

Acceleration of pulsar winds at the light cylinderS. V. Bogovalov 317

Gamma-ray light curves from realistic pulsar magnetospheresConstantinos Kalapotharakos, Alice K. Harding,Demosthenes Kazanas, and Ioannis Contopoulos 321

Modeling the pulse profiles of millisecond pulsars in the second LAT

catalog of y-ray pulsarsT. J. Johnson, A. K. Harding, C. Venter, J. E. Grove, Fermi LAT

Collaboration, and Pulsar Timing Consortium 325

Multi-wavelength studies of the gamma-ray pulsar PSR J1907+0602

Dirk Pandel and Robert Scott 329

Gamma-ray pulses from pulsar winds: Exploring the near wind

regionIoanna Arka and Guillaume Dubus 333

ix

A model to reproduce the emission of young pulsar wind nebulae

Markus Holler, Peter Eger, Fabian Schock, Kathrin Valerius,

Philipp Willmann, and Christian Stegmann 337

Unidentified VHE y-ray sources and evolved pulsar wind nebulae - A

possible connection?

M. Mayer, J. Brucker, M. Holler, I. Jung, K. Valerius,and C. Stegmann 341

Mapping the TeV PWN candidate source HESS J1857+026 down to

Fermi-LAT energies with the MAGIC telescopesV. Stamatescu, J. Krause, S. Klepser, R. Gozzini, D. Paneque,and MAGIC Collaboration 345

Unidentified galactic high-energy sources as ancient pulsar wind

nebulae in the light of new high energy observations and the new

code

O. Tibolla, M. Vorster, O. de Jager, S. E. S. Ferreira, S. Kaufmann,C. Venter, K. Mannheim, and F. Giordano 349

VERITAS observation of CTA1

Nahee Park and VERITAS Collaboration 354

High-energy emission from pulsar binaries

Iwona Mochol and John G. Kirk 358

Observation of binary systems at very-high energies with VERITAS

G. Maier and VERITAS Collaboration 362

VERITAS and H.E.S.S. observations of the gamma-ray binary HESS

J0632+057

P. Bordas, H.E.S.S. Collaboration, G. Maier,and VERITAS Collaboration 366

Recent results from MAGIC observations of the binary systems LS

1+61 303 and HESS J0632+057

T. Jogler, O. Blanch, A. Lopez-Oramas, P. Munar-Adrover,

J. M. Paredes, M. Ribo, and MAGIC Collaboration 370

First LOFAR observations of gamma-ray binaries

B. Marcote, M. Ribo, J. M. Paredes, J. Swinbank, J. Broderick,R. Fender, S. Markoff, and R. Wijers 374

x

A new radio feature in the gamma ray binary LS I +61°303

M. Massi and F. Jaron 378

A precessing jet in the gamma-ray binary LS I +61°303

Lisa Zimmermann, Maria Massi, and Eduardo Ros 382

Periodic morphological changes in gamma-ray binaries

Javier Moldon, Marc Ribo, and Josep M. Paredes 386

Optical photometric monitoring of gamma-ray binaries

Xavier Paredes-Fortuny, Marc Ribo, Octavi Fors, and Jorge Nunez 390

Anisotropic inverse Compton scattering from the circumstellar disc

in PSR B1259-63

B. van Soelen and P. J. Meintjes 394

Unraveling the high and very-high energy emission components of

LS 5039

Victor Zabalza, Valenti Bosch-Ramon, and Felix A. Aharonian 398

A model for gamma-ray binaries, based on the effect of pair

production feedback in shocked pulsar windsE. V. Derishev and F. A. Aharonian 402

Colliding wind binaries and y-ray binaries: Relativistic version of the

RAMSES code

Astrid Lamberts, Guillaume Dubus, Sebastien Fromang,and Geoffroy Lesur 406

Episodic gamma-ray and neutrino emission from the low mass X-raybinary GRO J0422+32

Florencia L. Vieyro, Yolanda Sestayo, Gustavo E. Romero,and Josep M. Paredes 410

Gamma-ray follow-up studies on x\ Carinae

K. Reitberger, O. Reimer, A. Reimer, M. Werner, K. Egberts,and H. Takahashi 414

Fermi LAT upper limits on gamma-ray emission from colliding wind

binaries

M. Werner, O. Reimer, A. Reimer, and K. Egberts 418

xi

Gamma-rays from the compact colliding wind region in Cyg OB2 #5

A. T. Araudo, G. N. Ortiz-Leon, and L. F. Rodriguez 422

Can TeV gamma-rays and neutrinos be produced in symbiotic Novae

explosions?J. Sitarek and W. Bednarek 426

Particle acceleration and non-thermal emission in a nova explosion:The V407 Cyg 2010 outburst

P. Martin and G. Dubus 430

Radiation from black hole accretion inf(R) gravityDaniela Perez and Gustavo E. Romero 434

Supergiant fast X-ray transients with Swift: Spectroscopic and

temporal propertiesP. Romano, V. Mangano, L. Ducci, P. Esposito, R. Farinelli,

C. Ceccobello, S. Vercellone, D. N. Burrows, J. A. Kennea,

H. A. Krimm, and N. Gehrels 438

IGR J08408-4503 in outburst observed by SwiftV. Mangano, P. Romano, C. Ceccobello, and R. Farinelli 442

Swift monitoring of IGR J16418^532

P. Esposito, P. Romano, V. Mangano, L. Ducci, and S. Vercellone 446

Physics and parameters in Galactic CR transport models

R. Kissmann, M. Werner, K. Egberts, O. Reimer, P. Csomos,

and A. Ostermann 450

Measurement of anisotropy in the arrival direction distribution of

PeV cosmic rays with IceTopStefan Westerhoff and IceCube Collaboration 454

Explanation for the TeV-PeV cosmic ray anisotropics at small

angular scales

Gwenael Giacinti and Giinter Sigl 458

The galactic center region imaged by VERITAS from 2010-2012

M. Beilicke and VERITAS Collaboration 462

xn

Analysis of the optical-depth-corrected molecular line and diffuse

TeV gamma-ray correlation in the Galactic centre

David I. Jones, Michael Burton, Paul Jones, Gavin Rowell,

and Felix A. Aharonian

Tentative observation of a gamma-ray line at the Fermi LAT

Christoph Weniger

Search for photon line-like signatures from Dark Matter

annihilations with H.E.S.S.

Christopher van Eldik, Daniil Nekrassov, and H.E.S.S. Collaboration

EXTRAGALACTIC SOURCES

The second Fermi-LAT AGN catalogueD. Gasparrini, E. Cavazzuti, S. Cutini, C. D. Dermer, B. Lott,

and Fermi-LAT Collaboration

Highlights of the VERITAS blazar program

Wystan Benbow and VERITAS Collaboration

VERITAS observations of low- and intermediate-frequency peakedBL Lac objects

T. Nelson and VERITAS Collaboration

Discovery of VHE y-ray emission from the very distant BL Lac KUV

00311-1938 by H.E.S.S.

Y. Becherini, C. Boisson, M. Cerruti, and H.E.S.S. Collaboration

Discovery of the long hunted blazar 1ES 0033+595 by the MAGIC

telescopesM. Uellenbeck, S. Lombardi, N. Mankuzhiyil, M. Palatiello,M. Persic, V. Tronconi, S. Buson, MAGIC Collaboration,and Fermi-LAT Collaboration

H.E.S.S. observations of the distant BL Lac PKS 0301-243

Denis Wouters, Jean-Philippe Lenain, Yvonne Becherini, Jon Harris,

Pierre Brun, Sarah Kaufmann, Catherine Boisson, Matteo Cerruti,

Helene Sol, Andreas Zech, and H.E.S.S. Collaboration

xiii

Flat spectrum radio quasars: MAGIC results and unexpectedfeatures

G. De Caneva, U. Barres de Almeida, J. Becerra Gonzalez, K. Berger,E. Lindfors, D. Mazin, D. Paneque, K. Saito, C. Schultz, J. Sitarek,A. Stamerra, F. Tavecchio, M. Hayashida, MAGIC Collaboration,and Fermi-LAT Collaboration 502

The detection at high and very high energies of the blazar

1ES 1312-423

J. Biteau, Y. Becherini, D. A. Sanchez, J. S. Perkins,H.E.S.S. Collaboration, and Fermi-LAT Collaboration 506

FERMI LAT view of a sample of flaring gamma-ray AGNS. Buson, D. Bastieri, F. D'Ammando, G. Tosti,and Fermi-LAT Collaboration 510

Results from VERITAS observations on the giant flare from Mrk

421 in February 2010

Lucy Fortson, VERITAS Collaboration,and Fermi-LAT Collaborators 514

Multi-instrument variability study of the classical TeV objects Mrk

421 and Mrk 501

N. Nowak, M. Doert, D. Paneque, U. Barres de Almeida, A. Pichel,D. Tescaro, and W. Benbow 518

Long-term spectral and temporal behavior of the high-frequencypeaked BL LAC object 1ES 1959+650

M. Backes, M. Uellenbeck, M. Hayashida, K. Satalecka, D. Tescaro,

T. Terzic, MAGIC Collaboration, L. Fuhrmann, I. Nestoras,F-GAMMA Project, A. Lahteenmaki, M. Tornikoski, E. Nieppola,Metsahovi, M. Bottcher, W. Collmar, and M. Weidinger 522

MAGIC discovery of the BL Lac 1ES 1727+502: Multiwavelength

observations, spectral behavior and variabilityG. De Caneva, K. Berger, E. Lindfors, S. Lombardi, N. Mankuzhiyil,D. Paneque, A. Stamerra, F. Tavecchio, MAGIC Collaboration,S. Buson, and Fermi-LAT Collaboration 526

Multi-wavelength observations of blazar 4C+ 49.22 during flaringstate

Sara Cutini, Stefano Ciprini, Stefan Larsson, Monica Orienti,Filippo D'Ammando, and Fermi-LAT Collaboration 530

xiv

Spectral variability and multiwavelength studies of the high-

frequency-peaked BL Lacertae object 1ES 0806+524 with the

MAGIC telescopesC. Schultz, K. Berger, E. Lindfors, R. Reinthal, A. Stamerra,MAGIC Collaboration, S. Buson, Fermi Collaboration, T. Hovatta,and OVRO Collaboration 534

Observations of very high energy emission from B2 1215+30 with

VERITAS

Heike Prokoph and VERITAS Collaboration 538

Identifying breaks and curvature in the Fermi spectra of brightFSRQs and constraining the emission region

Jonathan Harris, Michael K. Daniel, and Paula M. Chadwick 542

BL Lac population study at high energiesLucie Gerard, Gilles Henri, Santiago Pita, and Michael Punch 546

Synoptics study of blazars detected at very high energy gamma-raysJosefa Becerra Gonzalez, Martin Raue, and Robert Wagner 550

The search for blazars among the unidentified EGRET sources

P. J. Meintjes and P. Nkundabakura 554

Environmental clustering properties of high-energy blazars

Kyle Willett, Thomas Nelson, and Lucy Fortson 558

Unprecedented gamma-ray flare from PG1553+113 in spring 2012

J. Becerra-Gonzalez, P. Da Vela, E. Prandini, A. Stamerra, S. Covino,U. Barres, K. Nilsson, MAGIC Collaboration, A. Lahteenmaki,T. Hovatta, C. Mundell, I. Steele, and A. Neronov 562

High energy blazars spectroscopy with X-shooter on the VLT

S. Pita, P. Goldoni, C. Boisson, Y. Becherini, L. Gerard, J.-P. Lenain,and M. Punch 566

To be or not to be a blazar. The case of the narrow-line Scyfert 1 SBS

0846+513

F. D'Ammando, M. Orienti, J. Finke, and Fermi-LAT Collaboration 570

y-ray emission from Narrow-Line Seyfert 1 galaxies and implicationson the jets unification

Luigi Foschini 574

xv

y-ray emission from the Perseus cluster of galaxies observed with the

MAGIC telescopesP. Colin, D. Eisenacher, D. Hildebrand, S. Lombardi, E. Lindfors,D. Paneque, S. Partini, F. Prada, J. Sitarek, F. Zandanel,MAGIC collaboration, T. Dauser, M. Kadler, F. Krauss, J. Kataoka,C. Pfrommer, A. Pinzke, Y. Takahashi, S. Wilbert, and J. Wilms 578

Short term and multi-band variability of the active nucleus of IC310

Dorit Eisenacher, Pierre Colin, Saverio Lombardi, Julian Sitarek,

Fabio Zandanel, MAGIC Collaboration, David Paneque,Fermi-LAl Collaboration, Thomas Dauser, Felicia KrauB,Sven Wilbert, Matthias Kadler, Robert Schulz, Joern Wilms,Uwe Bach, and Eduardo Ros 582

VERITAS observations of M87 in 2011/2012

M. Beilicke and VERITAS Collaboration 586

Deep observation of the giant radio lobes of Centaurus A with the

Fermi large area telescopeRui-zhi Yang, Narek Sahakyan, Emma De Ona Wilhelmi,

Felix Aharonian, and Frank Rieger 590

The EBL imprint on H.E.S.S. blazar spectra

J. Biteau, B. Giebels, D. A. Sanchez, M. Raue,and H.E.S.S. Collaboration 594

Indications for a low opacity universe from Fermi-LAT data

Manuel Meyer, Dieter Horns, and Martin Raue 598

Limits on the extragalactic background light in the Fermi era

Manuel Meyer, Martin Raue, Daniel Mazin, and Dieter Horns 602

Hard spectrum TeV blazars and intergalactic magnetic fields

Timothy C. Arlen and Vladimir V. Vassiliev 606

How recent limits on the extragalactic background light constrain the

star formation historyMartin Raue and Manuel Meyer 610

Gamma-ray emission from Wolf-Rayet stars interacting with AGN

jetsA. T. Araudo, V. Bosch-Ramon, and G. E. Romero 614

xvi

Magnetic-field generation and particle acceleration in relativistic

shear layersMarkus Bottcher, Edison P. Liang, Ian A. Smith,and Parisa Roustazadeh 618

Signatures of relativistic shock acceleration in blazar emission

Markus Bottcher, Matthew G. Baring, and Errol J. Summerlin 622

First- and second-order Fermi acceleration in thick relativistic

shocks

A. Meli 626

Rapid high-energy emission variability in relativistic pair plasmareconnection

B. Cerutti, G. R. Werner, D. A. Uzdensky, and M. C. Begelman 631

A mixed lepto-hadronic scenario for PKS 2155-304

M. Cerruti, A. Zech, C. Boisson, and S. Inoue 635

The time-dependent one-zone hadronic model

S. Dimitrakoudis, A. Mastichiadis, R. J. Protheroe, and A. Reimer 639

An estimation method for the minimum Doppler factor and energy

content of quasar 3C 279

M. Petropoulou and A. Mastichiadis 643

Challenging the one zone SSC model in VHE gamma ray emitting BL

lacs: The interesting case of PKS 1424+240

E. Prandini, J. Becerra-Gonzalez, E. Lindfors, N. Mankuzhiyil,A. Stamerra, F. Tavecchio, MAGIC Collaboration, S. Cutini,D. Gasparrini, T. Hovatta, A. Lahteenmaki, and M. Lister 647

Discovery of VHE gamma-ray emission from the blazar 1ES

1215+303 by the MAGIC telescopes and modeling of the

multi-wavelength spectrumJ. Sitarek, J. Becerra Gonzalez, P. Colin, E. Lindfors, S. Lombardi,

A. Stamerra, F. Tavecchio, MAGIC Collaboration, S. Buson,

Fermi Collaboration, and A. Lahteenmaki 651

Towards modeling gamma-ray blazar lightA. Reimer and R. J. Protheroe 656

xvii

Modelling of blazar SEDs with the nonlinear SSC cooling processM. Zacharias and R. Schlickeiser 660

Signatures of stochastic acceleration in the spectral distributions of

synchro-self-Compton sources: A self consistent modeling of TeV

blazars' flare

A. Tramacere, E. Massaro, and A. M. Taylor 665

Anisotropic inverse Compton process in the vicinity of an accretion

disk

Thomas Vuillaume, Gilles Henri, and Pierre-Olivier Petrucci 669

Very-high energy observation of the peculiar transient event SwiftJl644+57 with the MAGIC telescopes

S. Lombardi, A. Carosi, L. A. Antonelli, U. Barres de Almeida,S. Covino, M. Persic, F. Tavecchio, and MAGIC Collaboration 673

Search for GeV gamma-ray emission from ultraluminous X-raysources

Yoshihiro Umeda, Kenji Nakagawa, and Masaki Mori 677

On external shock model to explain the high-energy emission: GRB

940217, GRB 941017 and GRB 970217A

N. Fraija, M. M. Gonzalez, J. L. Ramirez, R. Sacahui, and W. H. Lee 681

An efficient dissipation mechanism of magnetic field by turbulence

Makoto Takamoto, Tsuyoshi Inoue, and Shu-ichiro Inutsuka 685

VERITAS limits on dark matter annihilation from dwarf galaxiesJ. Grube and VERITAS Collaboration 689

EXPERIMENTS AND METHODS

A simple method to test for energy-dependent dispersion in highenergy light curves of astrophysical sources

M. K. Daniel and U. Barres de Almeida 693

Four years of Fermi LAT flare advocate activityStefano Ciprini and Fermi-LAT Collaboration 697

Machine-learning classifiers for Fermi AGN

T. Hassan, N. Mirabal, J. L. Contreras, and I. Oya 701

xviii

y-ray DBSCAN: A clustering algorithm applied to Fermi-LAT y-ray

data

A. Tramacere and C. Vecchio 705

Improving VERITAS sensitivity by fitting 2D Gaussian image

parametersJodi Christiansen and VERITAS Collaboration 709

Application of a generalized likelihood ratio test statistic to MAGIC

data

S. Klepser, J. Krause, J. Sitarek, and MAGIC Collaboration 713

Determining atmospheric aerosol content with an infra-red

radiometer

M. K. Daniel, G. Vasileiadis, and H.E.S.S. Collaboration 717

Ensuring long-term stability of data quality selection for H.E.S.S.

under challenging atmospheric conditions

Joachim Hahn, Raquel de los Reyes, Konrad Bernlohr,

Christoph Deil, Henning Gast, Karl Kosack, Vincent Marandon,and H.E.S.S. Collaboration 721

Spectral reconstruction of extended VHE y-ray sources with the

template backgroundMilton V. Fernandes, Dieter Horns, and Martin Raue 725

Multi-component spectral analysis of extended sources with a

likelihood method

Christopher Lindsay Naumann and Agnieszka Jacholkowska 729

A multi-scale morphological characterization of extended TeV surveysources

S. Schwarzburg, G. Puhlhofer, and A. Santangelo 733

Shape analysis of counts mapsM. A. Klatt, D. Goring, C. Stegmann, and K. Mecke 737

Performance of HESS-II in multi-telescope mode with a

multi-variate analysisY. Becherini, M. Punch, and H.E.S.S. Collaboration 741

xix

Sensitivity of HAWC to gamma ray bursts

Ignacio Taboada and HAWC Collaboration 745

The ASTRI project: Prototype status and future plans for a

Cherenkov dual-mirror small-telescope array

S. Vercellone and ASTRI Collaboration 749

Status ofthe CTA medium size telescope prototypeJ. Baehr and CTA Consortium 753

Towards an optimized design for the Cherenkov Telescope ArrayV. Stamatescu, Y. Becherini, K. Bernlohr, E. Carmona, P. Colin,C. Famier, L. Gerard, J. A. Hinton, B. Khelifi, N. Komin,G. Lamanna, J.-P. Lenain, G. Maier, A. Moralejo, C. L. Naumann,R. D. Parsons, F. Di Pierro, H. Prokoph, S. Vorobiov,and CTA Consortium 758

Towards a flexible array control and operation framework for CTA

E. Birsin, J. Colome, D. Hoffmann, H. Koeppel, G. Lamanna,

T. Le Flour, A. Lopatin, E. Lyard, D. Melkumyan, I. Oya,J.-L. Panazol, S. Schlenstedt, T. Schmidt, U. Schwanke, C. Stegmann,R. Walter, P. Wegner, and CTA Consortium 762

Monte Carlo comparison of mid-size telescope designs for the

Cherenkov Telescope ArrayT. Jogler, M. D. Wood, J. Dumm, and CTA Consortium 765

Advanced analysis and event reconstruction for the CTA

ObservatoryY. Becherini, B. Khelifi, S. Pita, M. Punch, and CTA Consortium 769

FACT - The first G-APD Cherenkov telescope (first results)T. Bretz, D. Dorner, M. Backes, A. Biland, J. BuB, V. Commichau,L. Djambazov, D. Eisenacher, O. Grimm, H. von Gunten,D. Hildebrand, T. Krahenbuhl, W. Lustermann, E. Lyard, .

Mannheim, D. Neise, A.-K. Overkemping, A. Paravac, F. Pauss,.

Rhode, M. Ribordy, U. Roser, J.-P. Stucki, F. Temme, J. Thaele,S. Tobler, P. Vogler, R. Walter, Q. Weitzel, and M. Zanglein 773

xx

FlashCam: A fully digital camera for CTA telescopesG. Piihlhofer, C. Bauer, A. Biland, D. Florin, C. Fohr, A. Gadola,

G. Hermann, C. Kalkuhl, J. Kasperek, T. Kihm, J. Koziol,

A. Manalaysay, A. Marszalek, P. J. Rajda, T. Schanz, S. Steiner,

U. Straumann, C. Tenzer, P. Vogler, A. Vollhardt, Q. Weitzel,K. Winiarski, K. Zietara, and CTA Consortium 777

Trigger and data rates expected for the CTA observatoryManuel Paz Arribas, Ullrich Schwanke, Ralf Wischnewski,

and CTA Consortium 781

NECTAR: New electronics for the Cherenkov Telescope Array

Christopher Lindsay Naumann, J. Bolmont, P. Corona, E. Delagnes,D. Dzahini, F. Feinstein, D. Gascon, J.-F. Glicenstein, P. Nayman,F. Rarbi, M. Ribo, A. Sanuy, X. Siero, J.-P. Tavernet, F. Toussenel,

P. Vincent, and S. Vorobiov 785

PyFACT: Python and FITS analysis for Cherenkov telescopesMartin Raue and Christoph Deil 789

Pulsar prospects for the Cherenkov telescope array

T. Hassan, S. Bonnefoy, M. Lopez, N. Mirabal, J. A. Barrio,J. L. Contreras, R. de los Reyes, E. O. Wilhelmi, B. Rudak,and CTA Consortium 793

CTA and cosmic-ray diffusion in molecular clouds

G. Pedaletti, D. F. Torres, S. Gabici, E. de Ona Wilhelmi, D. Mazin,and V. Stamatescu 797

Very high energy gamma-ray absorption via localized diffuse

radiation fields

Andreas Maurer, Josefa Becerra-Gonzalez, Martin Raue,

and Dieter Horns 801

The hard X-ray polarimeter X-Calibur

M. Beilicke, M. G. Baring, S. Barthelmy, W. R. Binns, J. Buckley,R. Cowsik, P. Dowkontt, Q. Guo, Y. Haba, M. H. Israel, H. Kunieda,

K. Lee, J. Martin, H. Matsumoto, T. Miyazawa, T. Okajima,J. Schnittman, K. Tamura, J. Tueller, and H. Krawczynski 805

xxi

The Si/CdTe semiconductor detector for hard X-ray imager (HXI)onboard ASTRO-H

Kouichi Hagino, Toshio Nakano, Goro Sato, Shin-ichiro Takeda,

Hirokazu Odaka, Shin Watanabe, Kazuhiro Nakazawa,

Motohide Kokubun, Tadayuki Takahashi, and HXI/SGD Team 809

Investigating supergiant fast X-ray transients with LOFT

P. Romano, E. Bozzo, P. Esposito, C. Ferrigno, and V. Mangano 813

CALET: High energy cosmic ray observatory on International SpaceStation

Masaki Mori and CALET Collaboration 817

HiSCORE - The Hundred*i square-km cosmic ORigin explorerM. Tluczykont, D. Hampf, U. Einhaus, D. Horns, M. Bruckner,N. Budnev, M. Biiker, O. Chvalaev, A. Dyachok, S. Epimakhov,0. Gress, A. Ivanova, E. Konstantinov, E. Korosteleva, M. Kunnas,L. Kuzmichev, B. K. Lubsandorzhiev, N. B. Lubsandorzhiev,R. Mirgazov, R. Nachtigall, A. Pakhorukov, V. Poleschuk, V. Prosin,

G. I. Rubtsov, P. S. Satunin, Yu. Semeney, C. Spiering,L. Sveshnikova, R. Wischnewski, and A. Zagorodnikov 821

The hardware of the HiSCORE y-ray and cosmic ray Cherenkov

detector

M. Kunnas, R. Nachtigall, S. N. Epimakhov, M. Tluczykont,L. A. Kuzmichev, S. F. Berezhnev, N. M. Budnev, M. Buker,

A. Chiavassa, O. B. Chvalaev, O. A. Gress, A. N. Dyachok,U. Einhaus, D. Hampf, D. Horns, A. Ivanova, N. I. Karpov,N. N. Kalmykov, E. N. Konstantinov, A. V. Korobchenko,E. E. Korosteleva, V. A. Kozhin, B. K. Lubsandorzhiev,N. B. Lubsandorzhiev, R. R. Mirgazov, A. Pakhorukov,M. I. Panasyuk, L. V. Pankov, V. Poleschuk, E. G. Popova,V. V. Prosin, V. S. Ptuskin, G. P. Rowell, Yu. A. Semeney,B. A. Shaibonov (junior), A. A. Silaev, A. A. Silaev (junior),A. V. Skurikhin, C. Spiering, L. G. Sveshnikova, R. Wischnewski,1. V. Yashin, and A. V. Zagorodnikov 825

Author Index 829

xxii