Volume 448, Number 2, March III 2006
|Page(s)||L13 - L17|
|Published online||24 February 2006|
Letter to the Editor
Searches for diffuse X-ray emission around millisecond pulsars: an X-ray nebula associated with PSR J2124-3358
Max-Planck Institut für Extraterrestrische Physik, Giessenbachstrasse 1, 85741 Garching bei München, Germany
Accepted: 19 January 2006
We report on diffuse X-ray emission associated with the nearby solitary millisecond pulsar PSR J2124-3358 detected with XMM-Newton and Chandra. The emission extends from the pulsar to the northwest by ~ arcmin. The spectrum of the nebular emission can be modeled with a power-law of photon index , in line with the emission originating from accelerated particles in the post shock flow. For PSR J0437-4715, PSR J0030+0451 and PSR J1024-0719, which all have spin parameters comparable to that of PSR J2124-3358, no diffuse emission is detected down to a limiting flux of ~ erg s-1 cm-2.
Key words: pulsars: individual: PSR J2124-3358, J0437-4715, J0030+0451, J1024-0719 / stars: neutron / X-rays: stars
© ESO, 2006
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