X-ray observations of the compact central object in supernova remnant G347.3-0.5

J. S. Lazendic, P. O. Slane, B. M. Gaensler, P. P. Plucinsky, John Hughes, D. K. Galloway, F. Crawford

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Abstract

We present Chandra, XMM-Newton, and Rossi X-Ray Timing Explorer observations of 1WGA J1713.4-3949, a compact source at the center of the Galactic supernova remnant (SNR) G347.3-0.5. The X-ray spectrum of the source is well fitted by the sum of a blackbody component with a temperature of ∼0.4 keV plus a power-law component with a photon index of ∼4. We found no pulsations down to 4% in the 0.01-0.16 Hz range nor down to 25% in the 0.01-128 Hz range. This source resembles other compact central objects in SNRs, and we suggest that 1WGA J1713.4-3949 is the associated neutron star for G347.3-0.5. We also measured the properties of the adjacent radio pulsar PSR J1713-3945 with a 392 ms period, and we show that it is not associated with 1WGA J1713.4-3949 nor, most probably, is it associated with SNR G347.3-0.5.

Original languageEnglish (US)
Pages (from-to)L27-L30
JournalAstrophysical Journal
Volume593
Issue number1 II
DOIs
StatePublished - Aug 10 2003

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Keywords

  • ISM: individual (G347.3-0.5)
  • Pulsars: individual (PSR J1713-3945)
  • Stars: neutron
  • Supernova remnants
  • X-rays: stars

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    Lazendic, J. S., Slane, P. O., Gaensler, B. M., Plucinsky, P. P., Hughes, J., Galloway, D. K., & Crawford, F. (2003). X-ray observations of the compact central object in supernova remnant G347.3-0.5. Astrophysical Journal, 593(1 II), L27-L30. https://doi.org/10.1086/378183