2003/06/30 by J. Lazendic, Jasmina Lazendic-Galloway, Patrick Slane +10 · 1 citation
Physics and Astronomy · #Astronomy #Astrophysics #Astrophysics and Cosmic Phenomena #Black-body radiation #Compact star #Gamma-ray bursts and supernovae #Neutron star #Optics #Physics #Pulsar #Pulsars and Gravitational Waves Research #Radiation #Supernova #Supernova remnant #astro-ph
paper · pdf · doi:10.1086/378183
published as Astrophys.J. 593 (2003) L27-L30 · 8 pages, 2 figures, accepted for publication in ApJ Letters
arxiv created 2003/07/03 · openalex publication_date 2003/07/15 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
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.