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Title: PSR J1838–0537: Discovery of a young, energetic gamma-ray pulsar

Abstract

Here, we report the discovery of PSR J1838–0537, a gamma-ray pulsar found through a blind search of data from the Fermi Large Area Telescope (LAT). The pulsar has a spin frequency of 6.9 Hz and a frequency derivative of –2.2 × 10–11 Hz s–1, implying a young characteristic age of 4970 yr and a large spin-down power of 5.9 × 1036 erg s–1. Follow-up observations with radio telescopes detected no pulsations; thus PSR J1838–0537 appears radio-quiet as viewed from Earth. In 2009 September the pulsar suffered the largest glitch so far seen in any gamma-ray-only pulsar, causing a relative increase in spin frequency of about 5.5 × 10–6. After the glitch, during a putative recovery period, the timing analysis is complicated by the sparsity of the LAT photon data, the weakness of the pulsations, and the reduction in average exposure from a coincidental, contemporaneous change in LAT's sky-survey observing pattern. Furthermore, the pulsar's sky position is coincident with the spatially extended TeV source HESS J1841–055 detected by the High Energy Stereoscopic System (H.E.S.S.). Finally, the inferred energetics suggest that HESS J1841–055 contains a pulsar wind nebula powered by the pulsar.

Authors:
 [1];  [2];  [3];  [4];  [1];  [1];  [5];  [6];  [7];  [8];  [9];  [7];  [10];  [8];  [11]
+ Show Author Affiliations
  1. Max Planck Inst. for Gravitation Physics and Leibniz Univ., Hannover (Germany)
  2. Max Planck Inst. for Radio Astronomy, Bonn (Germany)
  3. Max Planck Inst. for Gravitation Physics and Leibniz Univ., Hannover (Germany); Univ. of Wisconsin, Madison, WI (United States)
  4. Max Planck Inst. for Radio Astronomy, Bonn (Germany); Univ. of Manchester (United Kingdom). Jodrell Bank Centre for Astrophysics
  5. Rice Univ., Houston, TX (United States)
  6. Columbia Univ., New York, NY (United States)
  7. National Inst. for Astrophysics (INAF), Milano (Italy). Inst. of Space Physics and Astrophysics
  8. Naval Research Lab. (NRL), Washington, DC (United States)
  9. Stanford Univ. and SLAC National Accelerator Lab., CA (United States). Kavli Inst. for Particle Astrophysics and Cosmology
  10. National Radio Astronomy Observatory (NRAO), Charlottesville, VA (United States)
  11. Univ. of California, Santa Cruz, CA (United States). Santa Cruz Inst. for Particle Physics
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE
Contributing Org.:
Fermi LAT Collaboration
OSTI Identifier:
1356720
Grant/Contract Number:  
AC02-76SF00515
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal. Letters
Additional Journal Information:
Journal Volume: 755; Journal Issue: 1; Journal ID: ISSN 2041-8205
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; gamma rays: stars; ISM: individual objects (HESS J1841-055); pulsars: individual (PSR J1838-0537)

Citation Formats

Pletsch, H. J., Guillemot, L., Allen, B., Kramer, M., Aulbert, C., Fehrmann, H., Baring, M. G., Camilo, F., Caraveo, P. A., Grove, J. E., Kerr, M., Marelli, M., Ransom, S. M., Ray, P. S., and Saz Parkinson, P. M. PSR J1838–0537: Discovery of a young, energetic gamma-ray pulsar. United States: N. p., 2012. Web. doi:10.1088/2041-8205/755/1/L20.
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Pletsch, H. J., Guillemot, L., Allen, B., Kramer, M., Aulbert, C., Fehrmann, H., Baring, M. G., Camilo, F., Caraveo, P. A., Grove, J. E., Kerr, M., Marelli, M., Ransom, S. M., Ray, P. S., & Saz Parkinson, P. M. PSR J1838–0537: Discovery of a young, energetic gamma-ray pulsar. United States. https://doi.org/10.1088/2041-8205/755/1/L20
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Pletsch, H. J., Guillemot, L., Allen, B., Kramer, M., Aulbert, C., Fehrmann, H., Baring, M. G., Camilo, F., Caraveo, P. A., Grove, J. E., Kerr, M., Marelli, M., Ransom, S. M., Ray, P. S., and Saz Parkinson, P. M. Fri . "PSR J1838–0537: Discovery of a young, energetic gamma-ray pulsar". United States. https://doi.org/10.1088/2041-8205/755/1/L20. https://www.osti.gov/servlets/purl/1356720.
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@article{osti_1356720,
title = {PSR J1838–0537: Discovery of a young, energetic gamma-ray pulsar},
author = {Pletsch, H. J. and Guillemot, L. and Allen, B. and Kramer, M. and Aulbert, C. and Fehrmann, H. and Baring, M. G. and Camilo, F. and Caraveo, P. A. and Grove, J. E. and Kerr, M. and Marelli, M. and Ransom, S. M. and Ray, P. S. and Saz Parkinson, P. M.},
abstractNote = {Here, we report the discovery of PSR J1838–0537, a gamma-ray pulsar found through a blind search of data from the Fermi Large Area Telescope (LAT). The pulsar has a spin frequency of 6.9 Hz and a frequency derivative of –2.2 × 10–11 Hz s–1, implying a young characteristic age of 4970 yr and a large spin-down power of 5.9 × 1036 erg s–1. Follow-up observations with radio telescopes detected no pulsations; thus PSR J1838–0537 appears radio-quiet as viewed from Earth. In 2009 September the pulsar suffered the largest glitch so far seen in any gamma-ray-only pulsar, causing a relative increase in spin frequency of about 5.5 × 10–6. After the glitch, during a putative recovery period, the timing analysis is complicated by the sparsity of the LAT photon data, the weakness of the pulsations, and the reduction in average exposure from a coincidental, contemporaneous change in LAT's sky-survey observing pattern. Furthermore, the pulsar's sky position is coincident with the spatially extended TeV source HESS J1841–055 detected by the High Energy Stereoscopic System (H.E.S.S.). Finally, the inferred energetics suggest that HESS J1841–055 contains a pulsar wind nebula powered by the pulsar.},
doi = {10.1088/2041-8205/755/1/L20},
journal = {The Astrophysical Journal. Letters},
number = 1,
volume = 755,
place = {United States},
year = {Fri Jul 27 00:00:00 EDT 2012},
month = {Fri Jul 27 00:00:00 EDT 2012}
}
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Publisher's Version of Record
https://doi.org/10.1088/2041-8205/755/1/L20
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Works referenced in this record:

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    Works referencing / citing this record:

    the Einstein@Home Search for Radio Pulsars and psr J2007+2722 Discovery
    journal, July 2013

    Optimized Blind Gamma-Ray Pulsar Searches at Fixed Computing Budget
    journal, October 2014

    THE SECOND FERMI LARGE AREA TELESCOPE CATALOG OF GAMMA-RAY PULSARS
    journal, September 2013

    • Abdo, A. A.; Ajello, M.; Allafort, A.
    • The Astrophysical Journal Supplement Series, Vol. 208, Issue 2
    • DOI: 10.1088/0067-0049/208/2/17

    REFINING THE ASSOCIATIONS OF THE FERMI LARGE AREA TELESCOPE SOURCE CATALOGS
    journal, February 2015

    • Massaro, F.; D’Abrusco, R.; Landoni, M.
    • The Astrophysical Journal Supplement Series, Vol. 217, Issue 1
    • DOI: 10.1088/0067-0049/217/1/2

    The Einstein@Home Gamma-Ray Pulsar Survey. i. Search Methods, Sensitivity, and Discovery of new Young Gamma-Ray Pulsars
    journal, January 2017

    The Second Fermi Large area Telescope Catalog of Gamma-Ray Pulsars
    text, January 2013

    • Abdo, A. A.; Ajello, M.; Allafort, A.
    • Deutsches Elektronen-Synchrotron, DESY, Hamburg
    • DOI: 10.3204/desy-2014-00864

    Optimized Blind Gamma-ray Pulsar Searches at Fixed Computing Budget
    text, January 2014

    Refining the associations of the Fermi Large Area Telescope Source Catalogs
    text, January 2015

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