A search for very high energy gamma-ray emission from the starburst galaxy NGC 253 with H.E.S.S

F. Aharonian; A.G. Akhperjanian; A.R. Bazer-Bachi; M. Beilicke; W. Benbow; D. Berge; K. Bernlöhr; C. Boisson; O. Bolz; V. Borrel; I. Braun; F. Breitling; A.M. Brown; P.M. Chadwick; L.-M. Chounet; R. Cornils; L. Costamante; B. Degrange; H.J. Dickinson; A. Djannati-Ataï; L. O'C. Drury; G. Dubus; D. Emmanoulopoulos; P. Espigat; F. Feinstein; G. Fontaine; Y. Fuchs; S. Funk; Y.A. Gallant; B. Giebels; S. Gillessen; J.F. Glicenstein; P. Goret; C. Hadjichristidis; M. Hauser; G. Heinzelmann; G. Henri; G. Hermann; J.A. Hinton; W. Hofmann; M. Holleran; D. Horns; A. Jacholkowska; O.C. de Jager; B. Khelifi; Nu. Komin; A. Konopelko; I.J. Latham; R. Le Gallou; A. Lemière; M. Lemoine-Goumard; N. Leroy; T. Lohse; J.M. Martin; O. Martineau-Huynh; A. Marcowith; C. Masterson; T.J.L. Mccomb; M. de Naurois; S.J. Nolan; A. Noutsos; K.J. Orford; J.L. Osborne; M. Ouchrif; M. Panter; G. Pelletier; S. Pita; G. Pühlhofer; M. Punch; B.C. Raubenheimer; M. Raue; J. Raux; S.M. Rayner; A. Reimer; O. Reimer; J. Ripken; L. Rob; L. Rolland; G. Rowell; V. Sahakian; L. Saugé; S. Schlenker; R. Schlickeiser; C. Schuster; U. Schwanke; M. Siewert; H. Sol; D. Spangler; R. Steenkamp; C. Stegmann; J.-P. Tavernet; R. Terrier; C.G. Théoret; M. Tluczykont; G. Vasileiadis; C. Venter; P. Vincent; H.J. Völk; S.J. Wagner

doi:10.1051/0004-6361:20053521

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A search for very high energy gamma-ray emission from the starburst galaxy NGC 253 with H.E.S.S

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A search for very high energy gamma-ray emission from the starburst galaxy NGC 253 with H.E.S.S

F. Aharonian, A.G. Akhperjanian, A.R. Bazer-Bachi, M. Beilicke, W. Benbow, D. Berge, K. Bernlöhr, C. Boisson, O. Bolz, V. Borrel, …

Astronomy & Astrophysics - A&A, Vol.442, pp.177-183

2005

DOI: https://doi.org/10.1051/0004-6361:20053521

Abstract

gamma-rays: observations

Galaxies: starburst

Galaxies: individual objects: NGC253

We present the result of 28 hours of observations of the nearby starburst galaxy NGC 253 with the H.E.S.S. detector in 2003. We find no evidence for very high energy gamma-ray emission from this object. Gamma-ray emission above 400 GeV from NGC 253 had been reported by the CANGAROO collaboration in 2002. From the H.E.S.S. data we derive upper limits on the flux above 300 GeV of 1.9 * 10^-12 photons cm^-2 s^-1 for a point-like source and 6.3 * 10^-12 photons cm^-2 s^-1 for a source of radius 0.5 degrees as reported by CANGAROO, both at a confidence level of 99%. These upper limits are inconsistent with the spectrum reported by CANGAROO. The expected very high energy gamma-ray emission from this object is discussed in the framework of a galactic wind propagation model.

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Title: A search for very high energy gamma-ray emission from the starburst galaxy NGC 253 with H.E.S.S
Creators - without role: F. Aharonian
A.G. Akhperjanian
A.R. Bazer-Bachi
M. Beilicke
W. Benbow
D. Berge
K. Bernlöhr
C. Boisson
O. Bolz
V. Borrel
I. Braun
F. Breitling
A.M. Brown
P.M. Chadwick
L.-M. Chounet - Laboratoire Leprince-Ringuet
R. Cornils
L. Costamante
B. Degrange - Laboratoire Leprince-Ringuet
H.J. Dickinson
A. Djannati-Ataï - AstroParticule et Cosmologie
L. O'C. Drury
G. Dubus - Laboratoire Leprince-Ringuet
D. Emmanoulopoulos
P. Espigat - AstroParticule et Cosmologie
F. Feinstein - Laboratoire de Physique Théorique
G. Fontaine - Laboratoire Leprince-Ringuet
Y. Fuchs
S. Funk
Y.A. Gallant - Laboratoire de Physique Théorique
B. Giebels - Laboratoire Leprince-Ringuet
S. Gillessen
J.F. Glicenstein
P. Goret
C. Hadjichristidis
M. Hauser
G. Heinzelmann
G. Henri
G. Hermann
J.A. Hinton
W. Hofmann
M. Holleran
D. Horns
A. Jacholkowska - Laboratoire de Physique Théorique
O.C. de Jager
B. Khelifi
Nu. Komin
A. Konopelko
I.J. Latham
R. Le Gallou
A. Lemière - AstroParticule et Cosmologie
M. Lemoine-Goumard - Laboratoire Leprince-Ringuet
N. Leroy - Laboratoire Leprince-Ringuet
T. Lohse
J.M. Martin
O. Martineau-Huynh - Laboratoire de Physique Nucléaire et de Hautes Énergies
A. Marcowith
C. Masterson
T.J.L. Mccomb
M. de Naurois - Laboratoire de Physique Nucléaire et de Hautes Énergies
S.J. Nolan
A. Noutsos
K.J. Orford
J.L. Osborne
M. Ouchrif
M. Panter
G. Pelletier
S. Pita - AstroParticule et Cosmologie
G. Pühlhofer
M. Punch - AstroParticule et Cosmologie
B.C. Raubenheimer
M. Raue
J. Raux - Laboratoire de Physique Nucléaire et de Hautes Énergies
S.M. Rayner
A. Reimer
O. Reimer
J. Ripken
L. Rob
L. Rolland - Laboratoire de Physique Nucléaire et de Hautes Énergies
G. Rowell
V. Sahakian
L. Saugé
S. Schlenker
R. Schlickeiser
C. Schuster
U. Schwanke
M. Siewert
H. Sol
D. Spangler
R. Steenkamp
C. Stegmann
J.-P. Tavernet - Laboratoire de Physique Nucléaire et de Hautes Énergies
R. Terrier - AstroParticule et Cosmologie
C.G. Théoret - AstroParticule et Cosmologie
M. Tluczykont - Laboratoire Leprince-Ringuet
G. Vasileiadis - Laboratoire de Physique Théorique
C. Venter
P. Vincent - Laboratoire de Physique Nucléaire et de Hautes Énergies
H.J. Völk
S.J. Wagner
Publication Details: Astronomy & Astrophysics - A&A, Vol.442, pp.177-183
Identifiers: 9934897709311
Academic Unit: Université de Montpellier
Language: English
Resource Type: Journal article
Local Fields: in2p3-00024438