Implications of the detection of pulsed TeV gamma-rays from Geminga |
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| Authors: | R K Kaul |
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| Institution: | (1) Nuclear Research Laboratory, Bhabha Atomic Research Centre, Trombay, 400 085 Bombay, India |
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| Abstract: | The implications of the recently reported 237 ms pulsed TeV gamma-ray signal from Geminga with respect to system energetics and gamma-ray emission mechanisms are discussed. Using the reported flux values in the MeV-GeV range from the EGRET and COMPTEL experiments and the published results on TeV emission, the derived emission spectrum of Geminga in the MeV-TeV energy range is shown to suggest a spectral break at  2 GeV, with the differential exponent changing from a value of –1.50 upto 2 GeV to a value of –2.7 in the TeV range. |
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