Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...208.4704t&link_type=abstract
American Astronomical Society Meeting 208, #47.04; Bulletin of the American Astronomical Society, Vol. 38, p.122
Astronomy and Astrophysics
Astronomy
Scientific paper
Based on the HI-line emission data of the Canadian Galactic Plane Survey (CGPS), we obtain the SNR G65.1+0.6's distance of 9.2 kpc and Sedov age of 40,000 - 140,000 yr. The pulsar J1957+2831 located at the eastern edge of the SNR is therefore associated with the SNR due to their consistent distances and ages. The EGRET source 3EG J1958+2909 and Gamma-ray source 2CG 065+00 are also near the eastern edge of the SNR but do not agree in position with the pulsar and are likely not associated with the SNR. Using the 408 MHz and 1420 MHz continuum emission data of the CGPS, we re-estimate the SNR's flux densities at 408 MHz (8.6+-0.8 Jy) and 1420 MHz (4.9+-0.5 Jy) which have been corrected for flux densities from compact sources within the SNR. The integrated flux density based spectral index between 1420 MHz and 408 MHz is 0.45+-0.11 and agrees with the T-T plot spectral index of 0.34 +-0.20. The nearby SNR DA495 has a T-T plot spectral index of 0.50+-0.01.
Leahy Denis A.
Tian Wenwu
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