The afterglow of a dense molecular cloud after the passage of a cosmological gamma-ray burst |
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| Authors: | M V Barkov G S Bisnovatyi-Kogan |
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| Institution: | (1) Space Research Institute, Moscow, Russia |
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| Abstract: | Bolometric light curves for the afterglow resulting from the passage of a gamma-ray burst through a molecular cloud are computed. The profile and duration of the afterglow light curve depend strongly on the distribution of matter in the cloud, the degree of collimation of the gamma-ray radiation, and the observing conditions. The peak can be reached as soon as seven days (the gamma-ray burst is located at some distance from the center of a molecular cloud with small-scale density enhancements), or as long as one to three years (the gamma-ray burst is located at the center of a uniform molecular cloud) after the burst. The bolometric luminosity of the re-radiated signal can reach 6.5 × 1042 erg/s. |
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