X-RAY OBSERVATIONS OF HIGH-B RADIO PULSARS

Olausen, S. A.; Kaspi, V. M.; Zhu, W. W.; Vogel, J. K.; Lyne, A. G.; Espinoza, C. M.; Stappers, B. W.; Manchester, R. N.; McLaughlin, M. A.

doi:10.1088/0004-637X/764/1/1

Title: X-RAY OBSERVATIONS OF HIGH-B RADIO PULSARS

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Abstract

The study of high-magnetic-field pulsars is important for examining the relationships between radio pulsars, magnetars, and X-ray-isolated neutron stars (XINSs). Here, we report on X-ray observations of three such high-magnetic-field radio pulsars. We first present the results of a deep XMM-Newton observation of PSR J1734-3333, taken to follow up on its initial detection in 2009. The pulsar's spectrum is well fit by a blackbody with a temperature of 300 {+-} 60 eV, with bolometric luminosity L{sub bb}=2.0{sub -0.7}{sup +2.2} Multiplication-Sign 10{sup 32} erg s{sup -1}{approx}0.0036 E-dot for a distance of 6.1 kpc. We detect no X-ray pulsations from the source, setting a 1{sigma} upper limit on the pulsed fraction of 60% in the 0.5-3 keV band. We compare PSR J1734-3333 to other rotation-powered pulsars of similar age and find that it is significantly hotter, supporting the hypothesis that the magnetic field affects the observed thermal properties of pulsars. We also report on XMM-Newton and Chandra observations of PSRs B1845-19 and J1001-5939. We do not detect either pulsar, setting 3{sigma} upper limits on their blackbody temperatures of 48 and 56 eV, respectively. Despite the similarities in rotational properties, these sources are significantly cooler than all but one of the XINSs, whichmore »« less

Authors:

Olausen, S. A.; Kaspi, V. M. ^[1]; Zhu, W. W. ^[2]; Vogel, J. K. ^[3]; Lyne, A. G.; Espinoza, C. M.; Stappers, B. W. ^[4]; Manchester, R. N. ^[5]; McLaughlin, M. A. ^[6]

Department of Physics, Rutherford Physics Building, McGill University, 3600 University Street, Montreal, Quebec, H3A 2T8 (Canada)
Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC, V6T 1Z1 (Canada)
Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, CA 94550 (United States)
Jodrell Bank Centre for Astrophysics, School of Physics and Astronomy, University of Manchester, Manchester M13 9PL (United Kingdom)
Australia Telescope National Facility, CSIRO Astronomy and Space Science, Epping, NSW 1710 (Australia)
Department of Physics, West Virginia University, White Hall, Morgantown, WV 26506 (United States)

Publication Date:: Sun Feb 10 00:00:00 EST 2013

OSTI Identifier:: 22167080

Resource Type:: Journal Article

Journal Name:: Astrophysical Journal

Additional Journal Information:: Journal Volume: 764; Journal Issue: 1; Other Information: Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0004-637X

Country of Publication:: United States

Language:: English

Subject:: 79 ASTROPHYSICS, COSMOLOGY AND ASTRONOMY; BOLOMETERS; COMPARATIVE EVALUATIONS; DETECTION; EV RANGE; HEAT EXCHANGERS; KEV RANGE 01-10; LUMINOSITY; MAGNETIC FIELDS; NEUTRON STARS; NEUTRONS; PULSARS; PULSATIONS; ROTATION; SPECTRA; THERMODYNAMIC PROPERTIES; X RADIATION

Citation Formats


                    Olausen, S. A., Kaspi, V. M., Zhu, W. W., Vogel, J. K., Lyne, A. G., Espinoza, C. M., Stappers, B. W., Manchester, R. N., and McLaughlin, M. A. X-RAY OBSERVATIONS OF HIGH-B RADIO PULSARS.  United States: N. p., 2013. 
        Web.  doi:10.1088/0004-637X/764/1/1.

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                    Olausen, S. A., Kaspi, V. M., Zhu, W. W., Vogel, J. K., Lyne, A. G., Espinoza, C. M., Stappers, B. W., Manchester, R. N., & McLaughlin, M. A. X-RAY OBSERVATIONS OF HIGH-B RADIO PULSARS.  United States.  https://doi.org/10.1088/0004-637X/764/1/1

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                    Olausen, S. A., Kaspi, V. M., Zhu, W. W., Vogel, J. K., Lyne, A. G., Espinoza, C. M., Stappers, B. W., Manchester, R. N., and McLaughlin, M. A. 2013.  
        "X-RAY OBSERVATIONS OF HIGH-B RADIO PULSARS".  United States.  https://doi.org/10.1088/0004-637X/764/1/1.

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@article{osti_22167080,

  title        = {X-RAY OBSERVATIONS OF HIGH-B RADIO PULSARS},

  author       = {Olausen, S. A. and Kaspi, V. M. and Zhu, W. W. and Vogel, J. K. and Lyne, A. G. and Espinoza, C. M. and Stappers, B. W. and Manchester, R. N. and McLaughlin, M. A.},

  abstractNote = {The study of high-magnetic-field pulsars is important for examining the relationships between radio pulsars, magnetars, and X-ray-isolated neutron stars (XINSs). Here, we report on X-ray observations of three such high-magnetic-field radio pulsars. We first present the results of a deep XMM-Newton observation of PSR J1734-3333, taken to follow up on its initial detection in 2009. The pulsar's spectrum is well fit by a blackbody with a temperature of 300 {+-} 60 eV, with bolometric luminosity L{sub bb}=2.0{sub -0.7}{sup +2.2} Multiplication-Sign 10{sup 32} erg s{sup -1}{approx}0.0036 E-dot for a distance of 6.1 kpc. We detect no X-ray pulsations from the source, setting a 1{sigma} upper limit on the pulsed fraction of 60% in the 0.5-3 keV band. We compare PSR J1734-3333 to other rotation-powered pulsars of similar age and find that it is significantly hotter, supporting the hypothesis that the magnetic field affects the observed thermal properties of pulsars. We also report on XMM-Newton and Chandra observations of PSRs B1845-19 and J1001-5939. We do not detect either pulsar, setting 3{sigma} upper limits on their blackbody temperatures of 48 and 56 eV, respectively. Despite the similarities in rotational properties, these sources are significantly cooler than all but one of the XINSs, which we attribute to the two groups having been born with different magnetic fields and hence evolving differently.},

  doi          = {10.1088/0004-637X/764/1/1},

  url          = {https://www.osti.gov/biblio/22167080},
  journal      = {Astrophysical Journal},

  issn         = {0004-637X},

  number       = 1,

  volume       = 764,

  place        = {United States},

  year         = {Sun Feb 10 00:00:00 EST 2013},

  month        = {Sun Feb 10 00:00:00 EST 2013}

}

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