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PSR J1907+0602: A radio-faint gamma-ray pulsar powering a bright tev pulsar wind nebula

  • A. A. Abdo
  • , M. Ackermann
  • , M. Ajello
  • , L. Baldini
  • , J. Ballet
  • , G. Barbiellini
  • , D. Bastieri
  • , B. M. Baughman
  • , K. Bechtol
  • , R. Bellazzini
  • , B. Berenji
  • , R. D. Blandford
  • , E. D. Bloom
  • , E. Bonamente
  • , A. W. Borgland
  • , J. Bregeon
  • , A. Brez
  • , M. Brigida
  • , P. Bruel
  • , T. H. Burnett
  • S. Buson, G. A. Caliandro, R. A. Cameron, F. Camilo, P. A. Caraveo, J. M. Casandjian, C. Cecchi, Ö Çelik, A. Chekhtman, C. C. Cheung, J. Chiang, S. Ciprini, R. Claus, I. Cognard, J. Cohen-Tanugi, L. R. Cominsky, J. Conrad, S. Cutini, A. De Angelis, F. De Palma, S. W. Digel, B. L. Dingus, M. Dormody, E. Do Couto E Silva, P. S. Drell, R. Dubois, D. Dumora, C. Farnier, C. Favuzzi, S. J. Fegan, W. B. Focke, P. Fortin, M. Frailis, P. C.C. Freire, Y. Fukazawa, S. Funk, P. Fusco, F. Gargano, D. Gasparrini, N. Gehrels, S. Germani, G. Giavitto, B. Giebels, N. Giglietto, F. Giordano, T. Glanzman, G. Godfrey, I. A. Grenier, M. H. Grondin, J. E. Grove, L. Guillemot, S. Guiriec, Y. Hanabata, A. K. Harding, E. Hays, R. E. Hughes, M. S. Jackson, G. Jóhannesson, A. S. Johnson, T. J. Johnson, W. N. Johnson, S. Johnston, T. Kamae, H. Katagiri, J. Kataoka, N. Kawai, M. Kerr, J. Knödlseder, M. L. Kocian, M. Kuss, J. Lande, L. Latronico, M. Lemoine-Goumard, F. Longo, F. Loparco, B. Lott, M. N. Lovellette, P. Lubrano, A. Makeev, M. Marelli, M. N. Mazziotta, J. E. McEnery, 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, E. Nuss, T. Ohsugi, N. Omodei, E. Orlando, J. F. Ormes, D. Paneque, D. Parent, V. Pelassa, M. Pepe, M. Pesce-Rollins, F. Piron, T. A. Porter, S. Rainò, R. Rando, P. S. Ray, M. Razzano, A. Reimer, O. Reimer, T. Reposeur, S. Ritz, M. S.E. Roberts, L. S. Rochester, A. Y. Rodriguez, R. W. Ro'Mani, M. Roth, F. Ryde, H. F.W. Sadrozinski, D. Sanchez, A. Sander, P. M. Saz Parkinson, J. D. Scargle, C. Sgrò, E. J. Siskind, D. A. Smith, P. D. Smith, G. Spandre, P. Spinelli, M. S. Strickman, D. J. Suson, H. Tajima, H. Takahashi, T. Tanaka, J. B. Thayer, J. G. Thayer, G. Theureau, D. J. Thompson, L. Tibaldo, O. Tibolla, D. F. Torres, G. Tosti, A. Tramacere, Y. Uchiyama, T. L. Usher, A. Van Etten, V. Vasileiou, C. Venter, N. Vilchez, V. Vitale, A. P. Waite, P. Wang, K. Watters, B. L. Winer, M. T. Wolff, K. S. Wood, T. Ylinen, M. Ziegler
  • Space Science Division
  • Naval Research Laboratory
  • National Research Council
  • Stanford Linear Accelerator Center
  • Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
  • Laboratoire AIM
  • Universite Paris-Saclay
  • INFN Gruppo Collegato di Udine
  • INFN Sezione di Trieste
  • Dipartimento di Fisica
  • University of Trieste
  • INFN
  • Dipartimento di Fisica
  • University of Padova
  • Department of Physics
  • The Ohio State University
  • Sezione di Perugia
  • INFN Sezione di Perugia
  • INFM CRS-SOFT
  • University of Perugia
  • Politecnico di Bari
  • INFN
  • INFN Sezione di Bari
  • Department of Physics
  • University of Washington
  • Columbia Astrophysics Laboratory
  • Columbia University
  • INAF Istituto di Astrofisica Spaziale e Fisica Cosmica, Milan
  • NASA Goddard Space Flight Center
  • Center for Research and Exploration in Space Science and Technology (CRESST)
  • Biochemical and Environmental Engineering
  • Center of Earth Observing and Space Research
  • George Mason University
  • CNRS
  • Centre national de la recherche scientifique
  • Laboratoire Univers et Particules de Montpellier
  • Sonoma State University
  • Department of Physics
  • Stockholm University
  • Oskar Klein Centre
  • Science and Research Directorate
  • INFN Gruppo Collegato di Udine
  • Sezione di Roma
  • MST-8, Los Alamos National Laboratory
  • University of California at Santa Cruz
  • Univ. Bordeaux
  • Université Paris-Sud
  • Ip Paris
  • Arecibo Observatory
  • Max-Planck-Institut für Radioastronomie
  • Department of Physical Science
  • Hiroshima University
  • University of Maryland
  • Istituto Nazionale di Fisica Nucleare
  • Center for Space Plasma and Aeronomic Research
  • KTH Royal Institute of Technology
  • Commonwealth Scientific and Industrial Research Organization
  • Department of Physics
  • Tokyo Institute of Technology
  • Waseda University
  • Cosmic Radiation Laboratory
  • RIKEN (The Institute of Physical and Chemical Research)
  • INFN Roma Tor Vergata
  • Department of Physics and Astronomy
  • University of Denver
  • Max Planck Institut für Extraterrestrische Physik
  • Medical University of Innsbruck
  • Eureka Scientific, Inc.
  • University of São Paulo
  • National Aeronautics and Space Administration (NASA)
  • NASA Ames Research Center
  • NYCB Real-Time Computing Inc.
  • Department of Chemistry and Physics
  • Purdue University Northwest
  • Max-Planck-Institut für Kernphysik
  • Pompeu Fabra University (UPF)
  • Consorzio Interuniversitario per la Fisica Spaziale (CIFS)
  • ISAS/JAXA
  • Unit for Space Physics
  • North-West University
  • Dipartimento di Fisica
  • University of Rome “Tor Vergata”
  • School of Pure and Applied Natural Sciences
  • University of Kalmar

Research output: Contribution to journalArticlepeer-review

94 Citations (Scopus)

Abstract

We present multiwavelength studies of the 106.6 ms γ-ray pulsar PSR J1907+06 near the TeV source MGRO J1908+06. Timing observations with Fermi result in a precise position determination for the pulsar of R.A. = 19 h07m547(2), decl. = +06°02′16(2)″ placing the pulsar firmly within the TeV source extent, suggesting the TeV source is the pulsar wind nebula of PSR J1907+0602. Pulsed γ-ray emission is clearly visible at energies from 100 MeV to above 10 GeV. The phase-averaged power-law index in the energy range E > 0.1 GeV is Γ = 1.76 0.05 with an exponential cutoff energy Ec = 3.6 ± 0.5 GeV. We present the energy-dependent γ-ray pulsed light curve as well as limits on off-pulse emission associated with the TeV source. We also report the detection of very faint (flux density of ≃ 3.4 μJy) radio pulsations with the Arecibo telescope at 1.5 GHz having a dispersion measure DM = 82.1 1.1 cm-3 pc. This indicates a distance of 3.2 0.6 kpc and a pseudo-luminosity of L 1400 ≃ 0.035 mJy kpc2. A Chandra ACIS observation revealed an absorbed, possibly extended, compact (≲4″) X-ray source with significant nonthermal emission at R.A. = 19h07m5476, decl. = +06°02′146 with a flux of 2.3+0.6 -1.4 × 10-14 erg cm-2 s-1. From archival ASCA observations, we place upper limits on any arcminute scale 2-10 keV X-ray emission of ∼1 × 10-13 erg cm-2 s-1. The implied distance to the pulsar is compatible with that of the supernova remnant G40.5 - 0.5, located on the far side of the TeV nebula from PSR J1907+0602, and the S74 molecular cloud on the nearer side which we discuss as potential birth sites.

Original languageEnglish
Pages (from-to)64-74
Number of pages11
JournalAstrophysical Journal
Volume711
Issue number1
DOIs
Publication statusPublished - 1 Jan 2010

Keywords

  • Gamma rays: general
  • Pulsars: general
  • Supernovae: individual (SNR G40.50.5)

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