Chandra and XMM-Newton observations of the exceptional pulsar B0628-28
Tepedelenlioğlu, E. and Ögelman, Hakkı (2005) Chandra and XMM-Newton observations of the exceptional pulsar B0628-28. Astrophysical Journal Letters, 630 (issue 1 part 2). L57-L60. ISSN 0004-637X
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Official URL: http://dx.doi.org/10.1086/444360
PSR B0628 - 28 is a radio pulsar that was first detected in the X-ray band by ROSAT and then later observed with Chandra and XMM-Newton. The Chandra observation yielded an X-ray luminosity 2 orders of magnitude higher than what is expected for spin-powered pulsars; also, there were no pulsations detected. The XMM-Newton observation, however, reveals pulsations at the expected radio period, P = 1.244 s. The simultaneously analyzed spectra also give a luminosity (in cgs) of, log L-x = 30.34, which is similar to 350 times greater than what would be expected from the correlation.
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