Very high energy $\gamma$-ray emission from two blazars of unknown redshift and upper limits on their distance

H. Abdalla; R. Adam; F. Aharonian; F. Ait Benkhali; E.O. Angüner; M. Arakawa; C. Arcaro; C. Armand; T. Armstrong; H. Ashkar; M. Backes; V. Baghmanyan; V. Barbosa Martins; A. Barnacka; M. Barnard; Y. Becherini; D. Berge; K. Bernlöhr; M. Böttcher; C. Boisson; J. Bolmont; S. Bonnefoy; J. Bregeon; M. Breuhaus; F. Brun; P. Brun; M. Bryan; M. Büchele; T. Bulik; T. Bylund; S. Caroff; A. Carosi; S. Casanova; T. Chand; S. Chandra; A. Chen; G. Cotter; M. Curyło; I.D. Davids; J. Davies; C. Deil; J. Devin; P. Dewilt; L. Dirson; A. Djannati-Ataï; A. Dmytriiev; A. Donath; V. Doroshenko; J. Dyks; K. Egberts; F. Eichhorn; G. Emery; J.-P. Ernenwein; K. Feijen; S. Fegan; A. Fiasson; G. Fontaine; S. Funk; M. Füssling; S. Gabici; Y.A. Gallant; G. Giavitto; L. Giunti; D. Glawion; J.F. Glicenstein; D. Gottschall; M.-H. Grondin; J. Hahn; M. Haupt; G. Hermann; J.A. Hinton; W. Hofmann; C. Hoischen; T.L. Holch; M. Holler; M. Hörbe; D. Horns; D. Huber; H. Iwasaki; M. Jamrozy; D. Jankowsky; F. Jankowsky; A. Jardin-Blicq; V. Joshi; I. Jung-Richardt; M.A. Kastendieck; K. Katarzynski; M. Katsuragawa; U. Katz; D. Khangulyan; B. Khélifi; S. Klepser; W. Kluzniak; Nu. Komin; R. Konno; K. Kosack; D. Kostunin; M. Kreter; G. Lamanna; A. Lemière; M. Lemoine-Goumard; J.-P. Lenain; E. Leser; C. Levy; T. Lohse; I. Lypova; J. Mackey; J. Majumdar; D. Malyshev; V. Marandon; P. Marchegiani; Alexandre Marcowith; A. Mares; G. Martí-Devesa; R. Marx; G. Maurin; P.J. Meintjes; R. Moderski; M. Mohamed; L. Mohrmann; C. Moore; P. Morris; E. Moulin; J. Muller; T. Murach; S. Nakashima; K. Nakashima; M. de Naurois; H. Ndiyavala; F. Niederwanger; J. Niemiec; L. Oakes; P. O'Brien; H. Odaka; S. Ohm; E. de Ona Wilhelmi; M. Ostrowski; M. Panter; R.D. Parsons; B. Peyaud; Q. Piel; S. Pita; V. Poireau; A. Priyana Noel; D.A. Prokhorov; H. Prokoph; G. Pühlhofer; M. Punch; A. Quirrenbach; S. Raab; R. Rauth; A. Reimer; O. Reimer; Q. Remy; Matthieu Renaud; F. Rieger; L. Rinchiuso; C. Romoli; G. Rowell; B. Rudak; E. Ruiz-Velasco; V. Sahakian; S. Sailer; S. Saito; D.A. Sanchez; A. Santangelo; M. Sasaki; M. Scalici; F. Schüssler; H.M. Schutte; U. Schwanke; S. Schwemmer; M. Seglar-Arroyo; M. Senniappan; A.S. Seyffert; N. Shafi; K. Shiningayamwe; R. Simoni; A. Sinha; H. Sol; A. Specovius; S. Spencer; M. Spirjacob; Ł. Stawarz; R. Steenkamp; C. Stegmann; C. Steppa; T. Takahashi; T. Tavernier; A.M. Taylor; R. Terrier; D. Tiziani; M. Tluczykont; L. Tomankova; C. Trichard; M. Tsirou; N. Tsuji; R. Tuffs; Y. Uchiyama; D.J. van Der Walt; C. van Eldik; C. van Rensburg; B. van Soelen; George Vasileiadis; J. Veh; C. Venter; P. Vincent; J. Vink; H.J. Völk; T. Vuillaume; Z. Wadiasingh; S.J. Wagner; J. Watson; Felix Werner; R. White; A. Wierzcholska; R. Yang; H. Yoneda; M. Zacharias; R. Zanin; D. Zargaryan; A.A. Zdziarski; A. Zech; S.J. Zhu; J. Zorn; N. Zywucka; M. Cerruti

doi:10.1093/mnras/staa999

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$Very high energy $\gamma$-ray emission from two blazars of unknown redshift and upper limits on their distance$

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Very high energy $\gamma$-ray emission from two blazars of unknown redshift and upper limits on their distance

H. Abdalla, R. Adam, F. Aharonian, F. Ait Benkhali, E.O. Angüner, M. Arakawa, C. Arcaro, C. Armand, T. Armstrong, H. Ashkar, …

Mon.Not.Roy.Astron.Soc, Vol.494(4), pp.5590-5602

2020

DOI: https://doi.org/10.1093/mnras/staa999

Abstract

BL Lacertae objects: individual

galaxies: high-redshift

gamma-rays: general

Resolved and unresolved sources as a function of wavelength

energy: high

gamma ray: VHE

redshift

HESS

5/3

GLAST

satellite

blazar

We report on the detection of very high energy (VHE; E > 100 GeV) γ-ray emission from the BL Lac objects KUV 00311−1938 and PKS 1440−389 with the High Energy Stereoscopic System (H.E.S.S.). H.E.S.S. observations were accompanied or preceded by multiwavelength observations with Fermi/LAT, XRT and UVOT onboard the Swift satellite, and ATOM. Based on an extrapolation of the Fermi/LAT spectrum towards the VHE γ-ray regime, we deduce a 95 per cent confidence level upper limit on the unknown redshift of KUV 00311−1938 of |$z$| < 0.98 and of PKS 1440−389 of |$z$| < 0.53. When combined with previous spectroscopy results, the redshift of KUV 00311−1938 is constrained to 0.51 ≤ |$z$| < 0.98 and of PKS 1440−389 to 0.14 ⪅ |$z$| < 0.53.

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Title: Very high energy $\gamma$-ray emission from two blazars of unknown redshift and upper limits on their distance
Creators - without role: H. Abdalla - North-West University
R. Adam - École Polytechnique
F. Aharonian - Max Planck Institute for Nuclear Physics
F. Ait Benkhali
E.O. Angüner - Aix-Marseille Université
M. Arakawa - Rikkyo University
C. Arcaro - North-West University
C. Armand - Laboratoire d’Annecy de Physique des Particules
T. Armstrong - University of Oxford
H. Ashkar - CEA Paris-Saclay
M. Backes - North-West University
V. Baghmanyan - Institute of Nuclear Physics, Polish Academy of Sciences
V. Barbosa Martins
A. Barnacka - Jagiellonian University
M. Barnard - North-West University
Y. Becherini - Linnaeus University
D. Berge
K. Bernlöhr - Max Planck Institute for Nuclear Physics
M. Böttcher - North-West University
C. Boisson - Délégation Paris 7
J. Bolmont - Laboratoire de Physique Nucléaire et de Hautes Énergies
S. Bonnefoy
J. Bregeon - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
M. Breuhaus - Max Planck Institute for Nuclear Physics
F. Brun - Institut de Recherche sur les Lois Fondamentales de l'Univers
P. Brun - Université Paris-Saclay
M. Bryan - University of Amsterdam
M. Büchele - Friedrich-Alexander-Universität Erlangen-Nürnberg
T. Bulik - University of Warsaw
T. Bylund - Linnaeus University
S. Caroff - Sorbonne Paris Cité
A. Carosi - Laboratoire d’Annecy de Physique des Particules
S. Casanova - Max Planck Institute for Nuclear Physics
T. Chand - North-West University
S. Chandra - North-West University
A. Chen - University of the Witwatersrand
G. Cotter - University of Oxford
M. Curyło - University of Warsaw
I.D. Davids - University of Namibia
J. Davies - University of Oxford
C. Deil - Max Planck Institute for Nuclear Physics
J. Devin - Laboratoire de Physique des deux infinis Bordeaux
P. Dewilt - University of Adelaide
L. Dirson - Universität Hamburg
A. Djannati-Ataï - AstroParticule et Cosmologie
A. Dmytriiev - Université Paris Sciences et Lettres
A. Donath - Max Planck Institute for Nuclear Physics
V. Doroshenko - University of Tübingen
J. Dyks - Polish Academy of Sciences
K. Egberts - University of Potsdam
F. Eichhorn - Friedrich-Alexander-Universität Erlangen-Nürnberg
G. Emery - Laboratoire de Physique Nucléaire et de Hautes Énergies
J.-P. Ernenwein - Aix-Marseille Université
K. Feijen - University of Adelaide
S. Fegan - Laboratoire Leprince-Ringuet
A. Fiasson - Laboratoire d’Annecy de Physique des Particules
G. Fontaine - Laboratoire Leprince-Ringuet
S. Funk - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. Füssling
S. Gabici - Université Paris Cité
Y.A. Gallant - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
G. Giavitto
L. Giunti - Institut de Recherche sur les Lois Fondamentales de l'Univers
D. Glawion - Heidelberg University
J.F. Glicenstein - CEA Paris-Saclay
D. Gottschall - University of Tübingen
M.-H. Grondin - Institut National de Physique Nucléaire et de Physique des Particules
J. Hahn - Max Planck Institute for Nuclear Physics
M. Haupt
G. Hermann - Max Planck Institute for Nuclear Physics
J.A. Hinton - Max Planck Institute for Nuclear Physics
W. Hofmann - Max Planck Institute for Nuclear Physics
C. Hoischen - University of Potsdam
T.L. Holch - Humboldt-Universität zu Berlin
M. Holler - Universität Innsbruck
M. Hörbe - University of Oxford
D. Horns - Universität Hamburg
D. Huber - Universität Innsbruck
H. Iwasaki - Rikkyo University
M. Jamrozy - Jagiellonian University
D. Jankowsky - Friedrich-Alexander-Universität Erlangen-Nürnberg
F. Jankowsky - Heidelberg University
A. Jardin-Blicq - Max Planck Institute for Nuclear Physics
V. Joshi - Friedrich-Alexander-Universität Erlangen-Nürnberg
I. Jung-Richardt - Friedrich-Alexander-Universität Erlangen-Nürnberg
M.A. Kastendieck - Universität Hamburg
K. Katarzynski - Nicolaus Copernicus University
M. Katsuragawa - Kavli Institute for the Physics and Mathematics of the Universe
U. Katz - Friedrich-Alexander-Universität Erlangen-Nürnberg
D. Khangulyan - Rikkyo University
B. Khélifi - Laboratoire AstroParticule et Cosmologie
S. Klepser
W. Kluzniak - Nicolaus Copernicus Astronomical Center
Nu. Komin - University of the Witwatersrand
R. Konno
K. Kosack - Université Paris-Saclay
D. Kostunin
M. Kreter - North-West University
G. Lamanna - Laboratoire d’Annecy de Physique des Particules
A. Lemière - Centre National de la Recherche Scientifique
M. Lemoine-Goumard - Laboratoire de Physique des deux infinis Bordeaux
J.-P. Lenain - Université Paris Cité
E. Leser - University of Potsdam
C. Levy - Sorbonne Paris Cité
T. Lohse - Humboldt-Universität zu Berlin
I. Lypova
J. Mackey - Dublin Institute For Advanced Studies
J. Majumdar
D. Malyshev - Centre National de la Recherche Scientifique
V. Marandon - Max Planck Institute for Nuclear Physics
P. Marchegiani
Alexandre Marcowith - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
A. Mares - Laboratoire de Physique des deux infinis Bordeaux
G. Martí-Devesa - Universität Innsbruck
R. Marx - Max Planck Institute for Nuclear Physics
G. Maurin - Centre National de la Recherche Scientifique
P.J. Meintjes - University of the Free State
R. Moderski - Nicolaus Copernicus Astronomical Center
M. Mohamed - Heidelberg University
L. Mohrmann - Friedrich-Alexander-Universität Erlangen-Nürnberg
C. Moore - University of Leicester
P. Morris - University of Oxford
E. Moulin - Université Paris-Saclay
J. Muller - University of Tübingen
T. Murach
S. Nakashima - Nippon Soken
K. Nakashima - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. de Naurois - University of Tübingen
H. Ndiyavala - North-West University
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 - The University of Tokyo
S. Ohm
E. de Ona Wilhelmi
M. Ostrowski - Jagiellonian University
M. Panter - Max Planck Institute for Nuclear Physics
R.D. Parsons - Max Planck Institute for Nuclear Physics
B. Peyaud - Université Paris-Saclay
Q. Piel - Laboratoire d’Annecy de Physique des Particules
S. Pita - Université Paris Cité
V. Poireau - Laboratoire d’Annecy de Physique des Particules
A. Priyana Noel
D.A. Prokhorov
H. Prokoph
G. Pühlhofer - Laboratoire Leprince-Ringuet
M. Punch - Université Paris Cité
A. Quirrenbach - Heidelberg University
S. Raab - Friedrich-Alexander-Universität Erlangen-Nürnberg
R. Rauth - Universität Innsbruck
A. Reimer - Universität Innsbruck
O. Reimer - Universität Innsbruck
Q. Remy - Max Planck Institute for Nuclear Physics
Matthieu Renaud - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
F. Rieger - Max Planck Institute for Nuclear Physics
L. Rinchiuso - Université Paris-Saclay
C. Romoli - Max Planck Institute for Nuclear Physics
G. Rowell - University of Adelaide
B. Rudak - Nicolaus Copernicus Astronomical Center
E. Ruiz-Velasco - Max Planck Institute for Nuclear Physics
V. Sahakian - A. Alikhanyan National Laboratory
S. Sailer - Max Planck Institute for Nuclear Physics
S. Saito - Rikkyo University
D.A. Sanchez - Centre National de la Recherche Scientifique
A. Santangelo - Laboratoire Leprince-Ringuet
M. Sasaki - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. Scalici - École Polytechnique
F. Schüssler - Institut de Recherches sur les lois Fondamentales de l'Univers
H.M. Schutte - North-West University
U. Schwanke - Humboldt-Universität zu Berlin
S. Schwemmer - Heidelberg University
M. Seglar-Arroyo - Institut de Recherche sur les Lois Fondamentales de l'Univers
M. Senniappan - Linnaeus University
A.S. Seyffert - North-West University
N. Shafi - University of the Witwatersrand
K. Shiningayamwe - University of Namibia
R. Simoni - University of Amsterdam
A. Sinha - Laboratoire AstroParticule et Cosmologie
H. Sol - Université Paris Cité
A. Specovius - Friedrich-Alexander-Universität Erlangen-Nürnberg
S. Spencer - University of Oxford
M. Spirjacob - AstroParticule et Cosmologie
Ł. Stawarz - Jagiellonian University
R. Steenkamp - University of Namibia
C. Stegmann - University of Potsdam
C. Steppa - University of Potsdam
T. Takahashi - The University of Tokyo
T. Tavernier - Institut de Recherche sur les Lois Fondamentales de l'Univers
A.M. Taylor
R. Terrier - Laboratoire AstroParticule et Cosmologie
D. Tiziani - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. Tluczykont - Universität Hamburg
L. Tomankova - Friedrich-Alexander-Universität Erlangen-Nürnberg
C. Trichard - University of Tübingen
M. Tsirou - Université de Montpellier, Laboratoire Univers et Particules de Montpellier - LUPM
N. Tsuji - Rikkyo University
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
P. Vincent - Centre National de la Recherche Scientifique
J. Vink - University of Amsterdam
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
J. Watson - University of Oxford
Felix Werner - Max Planck Institute for Nuclear Physics
R. White - Max Planck Institute for Nuclear Physics
A. Wierzcholska - Institute of Nuclear Physics, Polish Academy of Sciences
R. Yang - Max Planck Institute for Nuclear Physics
H. Yoneda - Kavli Institute for the Physics and Mathematics of the Universe
M. Zacharias - Ruhr University Bochum
R. Zanin - Max Planck Institute for Nuclear Physics
D. Zargaryan - Dublin Institute For Advanced Studies
A.A. Zdziarski - Polish Academy of Sciences
A. Zech - Université Paris Cité
S.J. Zhu
J. Zorn - Max Planck Institute for Nuclear Physics
N. Zywucka - North-West University
M. Cerruti - Universitat de Barcelona
Publication Details: Mon.Not.Roy.Astron.Soc, Vol.494(4), pp.5590-5602
Identifiers: 9939538709311
Academic Unit: Laboratoire Univers et Particules de Montpellier - LUPM
Language: English
Resource Type: Journal article
Local Fields: hal-03178771