PSR J1906+0722: An Elusive Gamma-ray Pulsar

C. J. Clark 1 H. J. Pletsch 2 J. Wu Lucas Guillemot 3, 4 Markus Ackermann B. Allen Annalisa De Angelis 5 C. Aulbert Luca Baldini Jean Ballet 6 Guido Barbiellini D. Bastieri R. Bellazzini E. Bissaldi O. Bock 7 R. Bonino E. Bottacini T. J. Brandt J. Bregeon Pascal Bruel 8 S. Buson G. A. Caliandro R. A. Cameron M. Caragiulo P. A. Caraveo C. Cecchi 9 D. J. Champion 10 E. Charles A. Chekhtman J. Chiang G. Chiaro S. Ciprini R. Claus J. Cohen-Tanugi A. Cuéllar S. Cutini F. D'Ammando R. Desiante P. S. Drell H. B. Eggenstein C. Favuzzi H. Fehrmann E. C. Ferrara 11 W. B. Focke A. Franckowiak P. Fusco 12 F. Gargano D. Gasparrini N. Giglietto F. Giordano T. Glanzman G. Godfrey I. A. Grenier 13 J. E. Grove S. Guiriec A. K. Harding 14 E. Hays J. W. Hewitt A. B. Hill D. Horan 8 X. Hou 15 T. Jogler A. S. Johnson 16 G. Jóhannesson M. Kramer 2 F. Krauss M. Kuss 17 H. Laffon 18 S. Larsson 19 L. Latronico J. Li 20 L. Li F. Longo 21 F. Loparco 22 M. N. Lovellette P. Lubrano B. Machenschalk A. Manfreda M. Marelli M. Mayer 23 M. N. Mazziotta P. F. Michelson 24 T. Mizuno M. E. Monzani A. Morselli I. V. Moskalenko S. Murgia E. Nuss 22 T. Ohsugi M. Orienti E. Orlando F. De Palma D. Paneque M. Pesce-Rollins F. Piron 22 G. Pivato S. Rainò R. Rando M. Razzano A. Reimer P. M. Saz Parkinson 25 M. Schaal A. Schulz C. Sgrò 26 E. J. Siskind F. Spada G. Spandre P. Spinelli D. J. Suson H. Takahashi 27 J. B. Thayer L. Tibaldo P. Torne 2 D. F. Torres 28 G. Tosti E. Troja G. Vianello K. S. Wood 29 M. Wood M. Yassine
1 School of Chemistry
2 MPIFR - Max-Planck-Institut für Radioastronomie
3 LPC2E - Laboratoire de Physique et Chimie de l'Environnement et de l'Espace
4 USN - Unité Scientifique de la Station de Nançay
5 XLIM-PHOT - Photonique Fibre et Sources Cohérentes
XLIM - XLIM : PHOT
6 GREThA - Groupe de Recherche en Economie Théorique et Appliquée
7 GEOATM
LAREG/IGN - LAboratoire de REcherche en Géodésie [Paris]
8 LLR - Laboratoire Leprince-Ringuet
9 Dipartimento di Scienze Biomediche Sperimentali e Cliniche “Mario Serio”
10 CAL - Columbia Astrophysics Laboratory
11 Istituto Nazionale di Ricerca Metrologica, Torino
12 INFN, sezione di Bari - Istituto Nazionale di Fisica Nucleare, sezione di Bari
13 ENSA Nantes - École nationale supérieure d'architecture de Nantes
14 GFSC Astrophysics Science Division
15 CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan
16 University of Pennsylvania [Philadelphia]
17 Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
18 IN2P3/CNRS Universite de Bordeaux
19 GU - University of Gothenburg
20 ECNU - East China Normal University [Shangaï]
21 MSC-LES - Modelling & Simulation Center – Laboratory of Enterprise Solutions (University of Calabria - Department of Mechanical, Energy and Management Engineering)
22 LUPM - Laboratoire Univers et Particules de Montpellier
23 LPC - Laboratoire de Physique Corpusculaire - Clermont-Ferrand
24 HEPL - Hansen Experimental Physics Laboratory
25 SCIPP - Santa Cruz Institute for Particle Physics
26 CHU Dijon - Centre Hospitalier Universitaire de Dijon - Hôpital François Mitterrand
27 Hiroshima University
28 Department of Mathematics
29 NRL - Naval Research Laboratory
Abstract : We report the discovery of PSR J1906+0722, a gamma-ray pulsar detected as part of a blind survey of unidentified Fermi Large Area Telescope (LAT) sources being carried out on the volunteer distributed computing system, Einstein@Home. This newly discovered pulsar previously appeared as the most significant remaining unidentified gamma-ray source without a known association in the second Fermi-LAT source catalog (2FGL) and was among the top ten most significant unassociated sources in the recent third catalog (3FGL). PSR J1906+0722 is a young, energetic, isolated pulsar, with a spin frequency of $8.9$ Hz, a characteristic age of $49$ kyr, and spin-down power $1.0 \times 10^{36}$ erg s$^{-1}$. In 2009 August it suffered one of the largest glitches detected from a gamma-ray pulsar ($\Delta f / f \approx 4.5\times10^{-6}$). Remaining undetected in dedicated radio follow-up observations, the pulsar is likely radio-quiet. An off-pulse analysis of the gamma-ray flux from the location of PSR J1906+0722 revealed the presence of an additional nearby source, which may be emission from the interaction between a neighboring supernova remnant and a molecular cloud. We discuss possible effects which may have hindered the detection of PSR J1906+0722 in previous searches and describe the methods by which these effects were mitigated in this survey. We also demonstrate the use of advanced timing methods for estimating the positional, spin and glitch parameters of difficult-to-time pulsars such as this.
Type de document :
Article dans une revue
Astroparticle Physics, Elsevier, 2015, 89 (L2), 8 p. 〈10.1088/2041-8205/809/1/L2〉
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https://hal-insu.archives-ouvertes.fr/insu-01342991
Contributeur : Nathalie Rouchon <>
Soumis le : jeudi 7 juillet 2016 - 11:55:49
Dernière modification le : lundi 18 février 2019 - 15:16:02

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C. J. Clark, H. J. Pletsch, J. Wu, Lucas Guillemot, Markus Ackermann, et al.. PSR J1906+0722: An Elusive Gamma-ray Pulsar. Astroparticle Physics, Elsevier, 2015, 89 (L2), 8 p. 〈10.1088/2041-8205/809/1/L2〉. 〈insu-01342991〉

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