H.E.S.S. discovery of very high energy $\gamma$-ray emission from PKS 0625−354

H. Abdalla; A. Abramowski; F. Aharonian; F. Ait Benkhali; A.G. Akhperjanian; T. Andersson; E.O. Angüner; M. Arrieta; P. Aubert; M. Backes; A. Balzer; M. Barnard; Y. Becherini; J. Becker Tjus; D. Berge; S. Bernhard; K. Bernlöhr; R. Blackwell; M. Böttcher; C. Boisson; J. Bolmont; P. Bordas; J. Bregeon; F. Brun; P. Brun; M. Bryan; T. Bulik; M. Capasso; J. Carr; S. Casanova; M. Cerruti; N. Chakraborty; R. Chalme-Calvet; R.C.G. Chaves; A. Chen; J. Chevalier; M. Chrétien; S. Colafrancesco; G. Cologna; B. Condon; J. Conrad; Y. Cui; I.D. Davids; J. Decock; B. Degrange; C. Deil; J. Devin; P. Dewilt; L. Dirson; A. Djannati-Ataï; W. Domainko; A. Donath; L.O'C. Drury; G. Dubus; K. Dutson; J. Dyks; M. Dyrda; T. Edwards; K. Egberts; P. Eger; J.-P. Ernenwein; S. Eschbach; C. Farnier; S. Fegan; M.V. Fernandes; A. Fiasson; G. Fontaine; A. Förster; S. Funk; M. Füssling; S. Gabici; M. Gajdus; Y.A. Gallant; T. Garrigoux; G. Giavitto; B. Giebels; J.F. Glicenstein; D. Gottschall; A. Goyal; M.-H. Grondin; D. Hadasch; J. Hahn; M. Haupt; J. Hawkes; G. Heinzelmann; G. Henri; G. Hermann; O. Hervet; J.A. Hinton; W. Hofmann; C. Hoischen; M. Holler; D. Horns; A. Ivascenko; A. Jacholkowska; M. Jamrozy; M. Janiak; D. Jankowsky; F. Jankowsky; M. Jingo; T. Jogler; L. Jouvin; I. Jung-Richardt; M.A. Kastendieck; K. Katarzyński; U. Katz; D. Kerszberg; B. Khélifi; M. Kieffer; J. King; S. Klepser; D. Klochkov; W. Kluźniak; D. Kolitzus; Nu. Komin; K. Kosack; S. Krakau; M. Kraus; F. Krayzel; P.P. Krüger; H. Laffon; G. Lamanna; J. Lau; J.-P. Lees; J. Lefaucheur; V. Lefranc; A. Lemière; M. Lemoine-Goumard; J.-P. Lenain; E. Leser; T. Lohse; M. Lorentz; R. Liu; R. López-Coto; I. Lypova; V. Marandon; Alexandre Marcowith; C. Mariaud; R. Marx; G. Maurin; N. Maxted; M. Mayer; P.J. Meintjes; M. Meyer; A.M.W. Mitchell; R. Moderski; M. Mohamed; L. Mohrmann; K. Morå; E. Moulin; T. Murach; M. de Naurois; F. Niederwanger; J. Niemiec; L. Oakes; P. O'Brien; H. Odaka; S. Öttl; S. Ohm; M. Ostrowski; I. Oya; M. Padovani; M. Panter; R.D. Parsons; N.W. Pekeur; G. Pelletier; C. Perennes; P.-O. Petrucci; B. Peyaud; Q. Piel; S. Pita; H. Poon; D. Prokhorov; H. Prokoph; G. Pühlhofer; M. Punch; A. Quirrenbach; S. Raab; A. Reimer; O. Reimer; Matthieu Renaud; R. de Los Reyes; F. Rieger; C. Romoli; S. Rosier-Lees; G. Rowell; B. Rudak; C.B. Rulten; V. Sahakian; D. Salek; D.A. Sanchez; A. Santangelo; M. Sasaki; R. Schlickeiser; F. Schüssler; A. Schulz; U. Schwanke; S. Schwemmer; M. Settimo; A.S. Seyffert; N. Shafi; I. Shilon; R. Simoni; H. Sol; F. Spanier; G. Spengler; F. Spies; L. Stawarz; R. Steenkamp; C. Stegmann; F. Stinzing; K. Stycz; I. Sushch; J.-P. Tavernet; T. Tavernier; A.M. Taylor; R. Terrier; L. Tibaldo; D. Tiziani; M. Tluczykont; C. Trichard; R. Tuffs; Y. Uchiyama; D.J. van Der Walt; C. van Eldik; C. van Rensburg; B. van Soelen; George Vasileiadis; J. Veh; C. Venter; A. Viana; P. Vincent; J. Vink; F. Voisin; H.J. Völk; T. Vuillaume; Z. Wadiasingh; S.J. Wagner; P. Wagner; R.M. Wagner; R. White; A. Wierzcholska; P. Willmann; A. Wörnlein; D. Wouters; R. Yang; V. Zabalza; D. Zaborov; M. Zacharias; R. Zanin; A.A. Zdziarski; A. Zech; F. Zefi; A. Ziegler; N. Żywucka

doi:10.1093/mnras/sty439

Back

$H.E.S.S. discovery of very high energy $\gamma$-ray emission from PKS 0625−354$

Journal article

Open access

H.E.S.S. discovery of very high energy $\gamma$-ray emission from PKS 0625−354

H. Abdalla, A. Abramowski, F. Aharonian, F. Ait Benkhali, A.G. Akhperjanian, T. Andersson, E.O. Angüner, M. Arrieta, P. Aubert, M. Backes, …

Mon.Not.Roy.Astron.Soc, Vol.476(3), pp.4187-4198

2018

DOI: https://doi.org/10.1093/mnras/sty439

Abstract

radiation mechanisms: non-thermal

galaxies: active

galaxies: individual: PKS 0625−354

galaxies: jets

gamma-rays: galaxies

model: leptonic

gamma ray: emission

energy: threshold

gamma ray: VHE

galaxy: radio wave

GLAST

X-ray

HESS

structure

photon

power spectrum

PKS 0625−354 (z = 0.055) was observed with the four High Energy Stereoscopic System (H.E.S.S.) telescopes in 2012 during 5.5 h. The source was detected above an energy threshold of 200 GeV at a significance level of 6.1σ. No significant variability is found in these observations. The source is well described with a power-law spectrum with photon index Γ = 2.84 ± 0.50_stat ± 0.10_syst and normalization (at E_0 = 1.0 TeV) N_0(E_0) = (0.58 ± 0.22_stat ± 0.12_syst) × 10^−12 TeV^−1 cm^−2 s^−1. Multiwavelength data collected with Fermi-LAT, Swift-XRT, Swift-UVOT, ATOM and WISE are also analysed. Significant variability is observed only in the Fermi-LAT γ-ray and Swift-XRT X-ray energy bands. Having a good multiwavelength coverage from radio to very high energy, we performed a broad-band modelling from two types of emission scenarios. The results from a one zone lepto-hadronic and a multizone leptonic models are compared and discussed. On the grounds of energetics, our analysis favours a leptonic multizone model. Models associated to the X-ray variability constraint support previous results, suggesting a BL Lac nature of PKS 0625−354 with, however, a large-scale jet structure typical of a radio galaxy.

Files and links (2)

url

Find in HALView

url

https://doi.org/10.1093/mnras/sty439View

Published (Version of record) Open

Metrics

1 Record Views

See more details

Details

Title: H.E.S.S. discovery of very high energy $\gamma$-ray emission from PKS 0625−354
Creators - without role: H. Abdalla - North-West University
A. Abramowski - Universität Hamburg
F. Aharonian - Dublin Institute For Advanced Studies
F. Ait Benkhali
A.G. Akhperjanian - National Academy of Sciences of Armenia
T. Andersson - Linnaeus University
E.O. Angüner - Humboldt-Universität zu Berlin
M. Arrieta - Délégation Paris 7
P. Aubert - Centre National de la Recherche Scientifique
M. Backes - University of Namibia
A. Balzer - University of Amsterdam
M. Barnard - North-West University
Y. Becherini - Linnaeus University
J. Becker Tjus
D. Berge - University of Amsterdam
S. Bernhard - Universität Innsbruck
K. Bernlöhr - Max Planck Institute for Nuclear Physics
R. Blackwell - University of Adelaide
M. Böttcher - North-West University
C. Boisson - Délégation Paris 7
J. Bolmont - Laboratoire de Physique Nucléaire et de Hautes Énergies
P. Bordas - Max Planck Institute for Nuclear Physics
J. Bregeon - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
F. Brun - Laboratoire de Physique des deux infinis Bordeaux
P. Brun - Institut de Recherche sur les Lois Fondamentales de l'Univers
M. Bryan - University of Amsterdam
T. Bulik - University of Warsaw
M. Capasso - University of Tübingen
J. Carr - Aix-Marseille Université
S. Casanova - Max Planck Institute for Nuclear Physics
M. Cerruti - Sorbonne Université
N. Chakraborty - Max Planck Institute for Nuclear Physics
R. Chalme-Calvet - Sorbonne Université
R.C.G. Chaves - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
A. Chen - University of the Witwatersrand
J. Chevalier - Laboratoire d’Annecy de Physique des Particules
M. Chrétien - Sorbonne Université
S. Colafrancesco - University of the Witwatersrand
G. Cologna - Heidelberg University
B. Condon - Institut National de Physique Nucléaire et de Physique des Particules
J. Conrad - Stockholm University
Y. Cui - University of Tübingen
I.D. Davids - North-West University
J. Decock - Institut de Recherche sur les Lois Fondamentales de l'Univers
B. Degrange - École Polytechnique
C. Deil - Max Planck Institute for Nuclear Physics
J. Devin - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
P. Dewilt - University of Adelaide
L. Dirson - Universität Hamburg
A. Djannati-Ataï - AstroParticule et Cosmologie
W. Domainko - Max Planck Institute for Nuclear Physics
A. Donath - Max Planck Institute for Nuclear Physics
L.O'C. Drury
G. Dubus - Université Grenoble Alpes
K. Dutson - University of Leicester
J. Dyks - Nicolaus Copernicus Astronomical Center
M. Dyrda - Institute of Nuclear Physics, Polish Academy of Sciences
T. Edwards - Max Planck Institute for Nuclear Physics
K. Egberts - University of Potsdam
P. Eger - Max Planck Institute for Nuclear Physics
J.-P. Ernenwein - Centre National de la Recherche Scientifique
S. Eschbach - Friedrich-Alexander-Universität Erlangen-Nürnberg
C. Farnier - Stockholm University
S. Fegan - Laboratoire Leprince-Ringuet
M.V. Fernandes - Universität Hamburg
A. Fiasson - Laboratoire d’Annecy de Physique des Particules
G. Fontaine - Laboratoire Leprince-Ringuet
A. Förster - Max Planck Institute for Nuclear Physics
S. Funk - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. Füssling
S. Gabici - Délégation Paris 7
M. Gajdus - Humboldt-Universität zu Berlin
Y.A. Gallant - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
T. Garrigoux - North-West University
G. Giavitto
B. Giebels - École Polytechnique
J.F. Glicenstein - CEA Paris-Saclay
D. Gottschall - University of Tübingen
A. Goyal - Jagiellonian University
M.-H. Grondin - Institut National de Physique Nucléaire et de Physique des Particules
D. Hadasch - Universität Innsbruck
J. Hahn - Max Planck Institute for Nuclear Physics
M. Haupt
J. Hawkes - University of Adelaide
G. Heinzelmann - Universität Hamburg
G. Henri - Centre National de la Recherche Scientifique
G. Hermann - Max Planck Institute for Nuclear Physics
O. Hervet - Université Paris Cité
J.A. Hinton - Max Planck Institute for Nuclear Physics
W. Hofmann - Max Planck Institute for Nuclear Physics
C. Hoischen - University of Potsdam
M. Holler - École Polytechnique
D. Horns - Universität Hamburg
A. Ivascenko - North-West University
A. Jacholkowska - Laboratoire de Physique Nucléaire et de Hautes Énergies
M. Jamrozy - Jagiellonian University
M. Janiak - Nicolaus Copernicus Astronomical Center
D. Jankowsky - Friedrich-Alexander-Universität Erlangen-Nürnberg
F. Jankowsky - Heidelberg University
M. Jingo - University of the Witwatersrand
T. Jogler - Friedrich-Alexander-Universität Erlangen-Nürnberg
L. Jouvin - Commissariat à l'Énergie Atomique et aux Énergies Alternatives
I. Jung-Richardt - Friedrich-Alexander-Universität Erlangen-Nürnberg
M.A. Kastendieck - Universität Hamburg
K. Katarzyński - Nicolaus Copernicus University
U. Katz - Friedrich-Alexander-Universität Erlangen-Nürnberg
D. Kerszberg - Centre National de la Recherche Scientifique
B. Khélifi - Université Paris Cité
M. Kieffer - Sorbonne Université
J. King - Max Planck Institute for Nuclear Physics
S. Klepser
D. Klochkov - University of Tübingen
W. Kluźniak - Nicolaus Copernicus Astronomical Center
D. Kolitzus - Universität Innsbruck
Nu. Komin - University of the Witwatersrand
K. Kosack - Institut de Recherche sur les Lois Fondamentales de l'Univers
S. Krakau - Ruhr University Bochum
M. Kraus - Friedrich-Alexander-Universität Erlangen-Nürnberg
F. Krayzel - Laboratoire d’Annecy de Physique des Particules
P.P. Krüger - North-West University
H. Laffon - Laboratoire de Physique des deux infinis Bordeaux
G. Lamanna - Centre National de la Recherche Scientifique
J. Lau - University of Adelaide
J.-P. Lees - Laboratoire d’Annecy de Physique des Particules
J. Lefaucheur - Université Paris Cité
V. Lefranc - Institut de Recherche sur les Lois Fondamentales de l'Univers
A. Lemière - Sorbonne Paris Cité
M. Lemoine-Goumard - Laboratoire de Physique des deux infinis Bordeaux
J.-P. Lenain - Centre National de la Recherche Scientifique
E. Leser - University of Potsdam
T. Lohse - Humboldt-Universität zu Berlin
M. Lorentz - CEA Paris-Saclay
R. Liu - Max Planck Institute for Nuclear Physics
R. López-Coto - Max Planck Institute for Nuclear Physics
I. Lypova
V. Marandon - Max Planck Institute for Nuclear Physics
Alexandre Marcowith - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
C. Mariaud - Laboratoire Leprince-Ringuet
R. Marx - Max Planck Institute for Nuclear Physics
G. Maurin - Laboratoire d’Annecy de Physique des Particules
N. Maxted - University of Adelaide
M. Mayer - Humboldt-Universität zu Berlin
P.J. Meintjes - University of the Free State
M. Meyer - Stockholm University
A.M.W. Mitchell
R. Moderski - Nicolaus Copernicus Astronomical Center
M. Mohamed - Heidelberg University
L. Mohrmann - Friedrich-Alexander-Universität Erlangen-Nürnberg
K. Morå - Stockholm University
E. Moulin - Institut de Recherche sur les Lois Fondamentales de l'Univers
T. Murach - Humboldt-Universität zu Berlin
M. de Naurois - Laboratoire Leprince-Ringuet
F. Niederwanger - Universität Innsbruck
J. Niemiec - Institute of Nuclear Physics, Polish Academy of Sciences
L. Oakes - Humboldt-Universität zu Berlin
P. O'Brien
H. Odaka - Max Planck Institute for Nuclear Physics
S. Öttl - Universität Innsbruck
S. Ohm
M. Ostrowski - Jagiellonian University
I. Oya
M. Padovani - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
M. Panter - Max Planck Institute for Nuclear Physics
R.D. Parsons - Max Planck Institute for Nuclear Physics
N.W. Pekeur - North-West University
G. Pelletier - Université Grenoble Alpes
C. Perennes - Laboratoire de Physique Nucléaire et de Hautes Énergies
P.-O. Petrucci - Centre National de la Recherche Scientifique
B. Peyaud - Commissariat à l'Énergie Atomique et aux Énergies Alternatives
Q. Piel - Laboratoire d’Annecy de Physique des Particules
S. Pita - Université Paris Cité
H. Poon - Max Planck Institute for Nuclear Physics
D. Prokhorov
H. Prokoph - Linnaeus University
G. Pühlhofer - University of Tübingen
M. Punch - Linnaeus University
A. Quirrenbach - Heidelberg University
S. Raab - Friedrich-Alexander-Universität Erlangen-Nürnberg
A. Reimer - Universität Innsbruck
O. Reimer - Universität Innsbruck
Matthieu Renaud - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
R. de Los Reyes - Max Planck Institute for Nuclear Physics
F. Rieger - Heidelberg University
C. Romoli - Dublin Institute For Advanced Studies
S. Rosier-Lees - Laboratoire d’Annecy de Physique des Particules
G. Rowell - University of Adelaide
B. Rudak - Nicolaus Copernicus Astronomical Center
C.B. Rulten - Délégation Paris 7
V. Sahakian - A. Alikhanyan National Laboratory
D. Salek - University of Amsterdam
D.A. Sanchez - Centre National de la Recherche Scientifique
A. Santangelo - University of Tübingen
M. Sasaki - University of Tübingen
R. Schlickeiser - Ruhr University Bochum
F. Schüssler - Institut de Recherches sur les lois Fondamentales de l'Univers
A. Schulz
U. Schwanke - Humboldt-Universität zu Berlin
S. Schwemmer - Heidelberg University
M. Settimo - Sorbonne Université
A.S. Seyffert - North-West University
N. Shafi - University of the Witwatersrand
I. Shilon - Friedrich-Alexander-Universität Erlangen-Nürnberg
R. Simoni - University of Amsterdam
H. Sol - Université Paris Cité
F. Spanier - North-West University
G. Spengler - Stockholm University
F. Spies - Universität Hamburg
L. Stawarz
R. Steenkamp - University of Namibia
C. Stegmann - University of Potsdam
F. Stinzing - Friedrich-Alexander-Universität Erlangen-Nürnberg
K. Stycz
I. Sushch - North-West University
J.-P. Tavernet - Laboratoire de Physique Nucléaire et de Hautes Énergies
T. Tavernier - Centre National de la Recherche Scientifique
A.M. Taylor - Dublin Institute For Advanced Studies
R. Terrier - Université Paris Cité
L. Tibaldo - Max Planck Institute for Nuclear Physics
D. Tiziani - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. Tluczykont - Universität Hamburg
C. Trichard - Centre National de la Recherche Scientifique
R. Tuffs - Max Planck Institute for Nuclear Physics
Y. Uchiyama - Rikkyo University
D.J. van Der Walt - North-West University
C. van Eldik - Friedrich-Alexander-Universität Erlangen-Nürnberg
C. van Rensburg - North-West University
B. van Soelen - University of the Free State
George Vasileiadis - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
J. Veh - Friedrich-Alexander-Universität Erlangen-Nürnberg
C. Venter - North-West University
A. Viana - Max Planck Institute for Nuclear Physics
P. Vincent - Laboratoire de Physique Nucléaire et de Hautes Énergies
J. Vink - University of Amsterdam
F. Voisin - University of Adelaide
H.J. Völk - Max Planck Institute for Nuclear Physics
T. Vuillaume - Laboratoire d’Annecy de Physique des Particules
Z. Wadiasingh - North-West University
S.J. Wagner - Heidelberg University
P. Wagner - Humboldt-Universität zu Berlin
R.M. Wagner - Stockholm University
R. White - Max Planck Institute for Nuclear Physics
A. Wierzcholska - Institute of Nuclear Physics, Polish Academy of Sciences
P. Willmann - Friedrich-Alexander-Universität Erlangen-Nürnberg
A. Wörnlein - Friedrich-Alexander-Universität Erlangen-Nürnberg
D. Wouters - Institut de Recherche sur les Lois Fondamentales de l'Univers
R. Yang - Max Planck Institute for Nuclear Physics
V. Zabalza - University of Leicester
D. Zaborov - École Polytechnique
M. Zacharias - Heidelberg University
R. Zanin - Max Planck Institute for Nuclear Physics
A.A. Zdziarski - Nicolaus Copernicus Astronomical Center
A. Zech - Université Paris Sciences et Lettres
F. Zefi - Centre National de la Recherche Scientifique
A. Ziegler - Friedrich-Alexander-Universität Erlangen-Nürnberg
N. Żywucka - Jagiellonian University
Publication Details: Mon.Not.Roy.Astron.Soc, Vol.476(3), pp.4187-4198
Identifiers: 9934096309311
Academic Unit: Laboratoire Univers et Particules de Montpellier - LUPM
Language: English
Resource Type: Journal article
Local Fields: hal-01737884