Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aas...20113906h&link_type=abstract
American Astronomical Society, 201st AAS Meeting, #139.06; Bulletin of the American Astronomical Society, Vol. 34, p.1324
Astronomy and Astrophysics
Astronomy
Scientific paper
We present results from a preliminary analysis of XMM-Newton and Chandra data on the SNR MSH 11-62. Our previous ASCA analysis had shown that MSH 11-62 is most likely a composite remnant whose strong non-thermal emission is powered by a still undetected pulsar. The present analysis confirms in a spectacular fashion the early detection of a compact source. The Chandra data reveal a small region (3 pixels in extension) with a hard nonthermal spectrum located at the tip of the central radio emission seen in data taken at the Australia Telescope Compact Array (ATCA). Although pulsations have not yet been detected this source is likely the young rapidly rotating neutron star powering the synchrotron nebula in MSH 11-62. Our spectral analysis of the Chandra data implies a rotational loss for the putative pulsar of about 3x10 33 erg s -1. We will discuss the implications of our results in the larger context of composite SNRs.
Dodson R. D.
Gaensler Bryan
Harrus Ilana
Hughes John Patrick
Moffett David A.
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