Discovery of Pulsed $\gamma$-rays from PSR J0034-0534 with the Fermi LAT: A Case for Co-located Radio and $\gamma$-ray Emission Regions
A. A. Abdo
,
Markus Ackermann
,
Marco Ajello
,
A. Allafort
,
Luca Baldini
,
Jean Ballet
(1)
,
Guido Barbiellini
,
D. Bastieri
,
K. Bechtol
,
R. Bellazzini
(1)
,
B. Berenji
,
R. D. Blandford
,
E. D. Bloom
,
E. Bonamente
,
A. W. Borgland
,
A. Bouvier
,
J. Bregeon
(2)
,
A. Brez
,
M. Brigida
,
Pascal Bruel
(3)
,
T. H. Burnett
,
S. Buson
,
G. A. Caliandro
,
R. A. Cameron
,
F. Camilo
,
P. A. Caraveo
,
S. Carrigan
,
J. M. Casandjian
(1)
,
C. Cecchi
,
O. Celik
,
A. Chekhtman
,
C. C. Cheung
,
J. Chiang
,
S. Ciprini
,
R. Claus
,
Ismaël Cognard
(4)
,
J. Cohen-Tanugi
(5)
,
J. Conrad
,
R. Corbet
,
M. E. Decesar
,
C. D. Dermer
,
G. Desvignes
(4)
,
A. de Angelis
,
F. de Palma
,
S. W. Digel
,
M. Dormody
,
E. Do Couto E Silva
,
P. S. Drell
,
R. Dubois
,
D. Dumora
(2)
,
C. Espinoza
,
C. Farnier
(5)
,
C. Favuzzi
,
S. J. Fegan
(3)
,
W. B. Focke
,
M. Frailis
,
P. C. C. Freire
,
Y. Fukazawa
,
S. Funk
,
P. Fusco
,
F. Gargano
,
D. Gasparrini
,
N. Gehrels
,
S. Germani
,
G. Giavitto
,
N. Giglietto
,
F. Giordano
,
T. Glanzman
,
G. Godfrey
,
I. A. Grenier
(1)
,
M.-H. Grondin
(2)
,
J. E. Grove
,
L. Guillemot
(2)
,
S. Guiriec
(5)
,
D. Hadasch
,
A. K. Harding
,
E. Hays
,
G. Hobbs
,
D. Horan
(3)
,
R. E. Hughes
,
G. Johannesson
,
A. S. Johnson
,
T. J. Johnson
,
W. N. Johnson
,
S. Johnston
,
T. Kamae
,
H. Katagiri
,
J. Kataoka
,
N. Kawai
,
M. Kerr
,
Jürgen Knödlseder
(6)
,
M. Kramer
,
M. Kuss
,
J. Lande
,
L. Latronico
,
M. Lemoine-Goumard
(2)
,
M. Llena Garde
,
F. Longo
,
F. Loparco
,
B. Lott
(2)
,
M. N. Lovellette
,
P. Lubrano
,
A. G. Lyne
,
A. Makeev
,
R. N. Manchester
,
M. Marelli
,
M. N. Mazziotta
,
W. Mcconville
,
J. E. Mcenery
,
S. Mcglynn
,
C. Meurer
,
P. F. Michelson
,
W. Mitthumsiri
,
T. Mizuno
,
A. A. Moiseev
,
C. Monte
,
M. E. Monzani
,
A. Morselli
,
I. V. Moskalenko
,
S. Murgia
,
P. L. Nolan
,
J. P. Norris
,
A. Noutsos
,
E. Nuss
(5)
,
T. Ohsugi
,
N. Omodei
,
E. Orlando
,
J. F. Ormes
,
M. Ozaki
,
D. Paneque
,
J. H. Panetta
,
D. Parent
(2)
,
V. Pelassa
(5)
,
M. Pepe
,
M. Pesce-Rollins
,
M. Pierbattista
(1)
,
F. Piron
(5)
,
T.A. Porter
,
S. Raino
,
R. Rando
,
S. M. Ransom
,
M. Razzano
,
A. Reimer
,
O. Reimer
,
T. Reposeur
(2)
,
J. Ripken
,
S. Ritz
,
L. S. Rochester
,
A. Y. Rodriguez
,
R. W. Romani
,
M. Roth
,
F. Ryde
,
H. F.-W. Sadrozinski
,
A. Sander
,
P. M. Saz Parkinson
,
J. D. Scargle
(1)
,
C. Sgro
(3)
,
E. J. Siskind
,
David Stanley Smith
(2)
,
P. D. Smith
,
G. Spandre
,
P. Spinelli
,
B. W. Stappers
,
Jean-Luc Starck
(1)
,
M. S. Strickman
,
D. J. Suson
,
H. Takahashi
,
T. Tanaka
,
J. B. Thayer
,
J. G. Thayer
,
G. Theureau
(4)
,
D. J. Thompson
,
S. E. Thorsett
,
L. Tibaldo
(1)
,
D. F. Torres
,
G. Tosti
,
A. Tramacere
,
T. L. Usher
,
A. van Etten
,
V. Vasileiou
,
C. Venter
,
N. Vilchez
(6)
,
V. Vitale
,
A. P. Waite
,
E. Wallace
,
P. Wang
,
P. Weltevrede
,
B. L. Winer
,
K. S. Wood
,
T. Ylinen
,
M. Ziegler
1
AIM (UMR7158 / UMR_E_9005 / UM_112) -
Astrophysique Interprétation Modélisation
2 CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan
3 LLR - Laboratoire Leprince-Ringuet
4 LPCE - Laboratoire de physique et chimie de l'environnement
5 LPTA - Laboratoire de Physique Théorique et Astroparticules
6 CESR - Centre d'étude spatiale des rayonnements
2 CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan
3 LLR - Laboratoire Leprince-Ringuet
4 LPCE - Laboratoire de physique et chimie de l'environnement
5 LPTA - Laboratoire de Physique Théorique et Astroparticules
6 CESR - Centre d'étude spatiale des rayonnements
A. A. Abdo
- Function : Author
Markus Ackermann
- Function : Author
Marco Ajello
- Function : Author
A. Allafort
- Function : Author
Luca Baldini
- Function : Author
Guido Barbiellini
- Function : Author
D. Bastieri
- Function : Author
K. Bechtol
- Function : Author
B. Berenji
- Function : Author
R. D. Blandford
- Function : Author
E. D. Bloom
- Function : Author
E. Bonamente
- Function : Author
A. W. Borgland
- Function : Author
A. Bouvier
- Function : Author
J. Bregeon
- Function : Author
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A. Brez
- Function : Author
M. Brigida
- Function : Author
T. H. Burnett
- Function : Author
S. Buson
- Function : Author
G. A. Caliandro
- Function : Author
R. A. Cameron
- Function : Author
F. Camilo
- Function : Author
P. A. Caraveo
- Function : Author
S. Carrigan
- Function : Author
C. Cecchi
- Function : Author
O. Celik
- Function : Author
A. Chekhtman
- Function : Author
C. C. Cheung
- Function : Author
J. Chiang
- Function : Author
S. Ciprini
- Function : Author
R. Claus
- Function : Author
Ismaël Cognard
- Function : Author
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J. Cohen-Tanugi
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J. Conrad
- Function : Author
R. Corbet
- Function : Author
M. E. Decesar
- Function : Author
C. D. Dermer
- Function : Author
A. de Angelis
- Function : Author
F. de Palma
- Function : Author
S. W. Digel
- Function : Author
M. Dormody
- Function : Author
E. Do Couto E Silva
- Function : Author
P. S. Drell
- Function : Author
R. Dubois
- Function : Author
C. Espinoza
- Function : Author
C. Favuzzi
- Function : Author
S. J. Fegan
- Function : Author
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W. B. Focke
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M. Frailis
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P. C. C. Freire
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Y. Fukazawa
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S. Funk
- Function : Author
P. Fusco
- Function : Author
F. Gargano
- Function : Author
D. Gasparrini
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N. Gehrels
- Function : Author
S. Germani
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G. Giavitto
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N. Giglietto
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F. Giordano
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T. Glanzman
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G. Godfrey
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M.-H. Grondin
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J. E. Grove
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D. Hadasch
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A. K. Harding
- Function : Author
E. Hays
- Function : Author
G. Hobbs
- Function : Author
R. E. Hughes
- Function : Author
G. Johannesson
- Function : Author
A. S. Johnson
- Function : Author
T. J. Johnson
- Function : Author
W. N. Johnson
- Function : Author
S. Johnston
- Function : Author
T. Kamae
- Function : Author
H. Katagiri
- Function : Author
J. Kataoka
- Function : Author
N. Kawai
- Function : Author
M. Kerr
- Function : Author
Jürgen Knödlseder
- Function : Author
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M. Kramer
- Function : Author
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M. N. Lovellette
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A. G. Lyne
- Function : Author
A. Makeev
- Function : Author
R. N. Manchester
- Function : Author
M. Marelli
- Function : Author
M. N. Mazziotta
- Function : Author
W. Mcconville
- Function : Author
J. E. Mcenery
- Function : Author
S. Mcglynn
- Function : Author
C. Meurer
- Function : Author
P. F. Michelson
- Function : Author
W. Mitthumsiri
- Function : Author
T. Mizuno
- Function : Author
A. A. Moiseev
- Function : Author
C. Monte
- Function : Author
M. E. Monzani
- Function : Author
A. Morselli
- Function : Author
I. V. Moskalenko
- Function : Author
S. Murgia
- Function : Author
P. L. Nolan
- Function : Author
J. P. Norris
- Function : Author
A. Noutsos
- Function : Author
T. Ohsugi
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N. Omodei
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E. Orlando
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J. F. Ormes
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M. Ozaki
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D. Paneque
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J. H. Panetta
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J. Ripken
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R. W. Romani
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M. Roth
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F. Ryde
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H. F.-W. Sadrozinski
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G. Spandre
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P. Spinelli
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B. W. Stappers
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D. J. Suson
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J. B. Thayer
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S. E. Thorsett
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D. F. Torres
- Function : Author
G. Tosti
- Function : Author
A. Tramacere
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T. L. Usher
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A. van Etten
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V. Vasileiou
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V. Vitale
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A. P. Waite
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E. Wallace
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P. Wang
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P. Weltevrede
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B. L. Winer
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K. S. Wood
- Function : Author
T. Ylinen
- Function : Author
M. Ziegler
- Function : Author
Abstract
Millisecond pulsars (MSPs) have been firmly established as a class of gamma-ray emitters via the detection of pulsations above 0.1 GeV from eight MSPs by the Fermi Large Area Telescope (LAT). Using thirteen months of LAT data significant gamma-ray pulsations at the radio period have been detected from the MSP PSR J0034-0534, making it the ninth clear MSP detection by the LAT. The gamma-ray light curve shows two peaks separated by 0.274$\pm$0.015 in phase which are very nearly aligned with the radio peaks, a phenomenon seen only in the Crab pulsar until now. The $\geq$0.1 GeV spectrum of this pulsar is well fit by an exponentially cutoff power law with a cutoff energy of 1.8$\pm 0.6\pm$0.1 GeV and a photon index of 1.5$\pm 0.2\pm$0.1, first errors are statistical and second are systematic. The near-alignment of the radio and gamma-ray peaks strongly suggests that the radio and gamma-ray emission regions are co-located and both are the result of caustic formation.
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