X-Ray Observations of the Compact Central Object in Supernova Remnant G347.3-0.5 | Zendy

Jasmina Lazendic-Galloway | Zendy; Patrick Slane | Zendy; B. M. Gaensler | Zendy; Paul P. Plucinsky | Zendy; John P. Hughes | Zendy; D. K. Galloway | Zendy; F. Crawford | Zendy

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X-Ray Observations of the Compact Central Object in Supernova Remnant G347.3-0.5

Author(s) -

Jasmina Lazendic-Galloway,

Patrick Slane,

B. M. Gaensler,

Paul P. Plucinsky,

John P. Hughes,

D. K. Galloway,

F. Crawford

Publication year - 2003

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/378183

Subject(s) - physics , pulsar , astrophysics , supernova remnant , neutron star , supernova , black body radiation , astronomy , compact star , radiation , optics

We present Chandra, XMM-Newton and RXTE observations of 1WGA J1713.4-3949, acompact 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 ablackbody component with a temperature of about 0.4 keV plus a power lawcomponent with photon index about 4. We found no pulsations down to 4% in the0.01-0.16 Hz range and down to 25% in the 0.01-128 Hz range. This sourceresembles other compact central objects (CCOs) in SNRs, and we suggest that1WGA J1713.4-3949 is the associated neutron star for G347.3--0.5. We alsomeasured the properties of the adjacent radio pulsar PSR J1713-3945 with a 392ms period and show that it is not associated with 1WGA J1713.4-3949 nor, mostprobably, with SNR G347.3-0.5 as well.Comment: 8 pages, 2 figures, accepted for publication in ApJ Letter

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