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Title:
X-Ray Observations of the Compact Central Object in Supernova Remnant G347.3-0.5
Authors:
Lazendic, J. S.; Slane, P. O.; Gaensler, B. M.; Plucinsky, P. P.; Hughes, J. P.; Galloway, D. K.; Crawford, F.
Affiliation:
AA(Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138; .), AB(Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138; .), AC(Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138; .), AD(Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138; .), AE(Department of Physics and Astronomy, Rutgers University, 136 Frelinghuysen Road, Piscataway, NJ 08854.), AF(Center for Space Research, Massachusetts Institute of Technology, 70 Vassar Street, Building 37, Cambridge, MA 02139.), AG(Department of Physics and Astronomy, Haverford College, Haverford, PA 19041.)
Publication:
The Astrophysical Journal, Volume 593, Issue 1, pp. L27-L30. (ApJL Homepage)
Publication Date:
08/2003
Origin:
UCP
ApJ Keywords:
ISM: Individual: Alphanumeric: G347.3-0.5, Stars: Pulsars: Individual: Alphanumeric: PSR J1713-3945, Stars: Neutron, ISM: Supernova Remnants, X-Rays: Stars
DOI:
10.1086/378183
Bibliographic Code:
2003ApJ...593L..27L

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.
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