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Discovery of X-ray pulsations from next Geminga - PSR J1836+5925

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 نشر من قبل Chung Yue Hui David
 تاريخ النشر 2014
  مجال البحث فيزياء
والبحث باللغة English
 تأليف L. C. C. Lin




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We report the X-ray pulsation of ~173.3 ms for the next Geminga, PSR J1836+5925, with recent XMM-Newton investigations. The X-ray periodicity is consistent wtih the gamma-ray ephemeris at the same epoch. The X-ray folded light curve has a sinusoidal structure which is different from the double-peaked gamma-ray pulse profile. We have also analysed the X-ray phase-averaged spectra which shows the X-ray emission from PSR J1836+5925 is thermal dominant. This suggests the X-ray pulsation mainly originates from the modulated hot spot on the stellar surface.



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