COBE observations of the microwave counterpart of GRBs

R. K. Schaefer, S. Ali, M. Limon, L. Piccirillo

    Research output: Contribution to journalArticlepeer-review


    We have used the data from the COBE satellite to search for delayed microwave emission (31 - 90 GHz) from Gamma Ray Bursts (GRBs). The large 7° beam of COBE is well matched to the large positional uncertainties in the GRB locations, although it also means that fluxes from (point source) GRB objects will be diluted. In view of this we are doing a statistical search of the GRBs which occurred during the currently released COBE DMR data (years 1990 and 1991), which overlap ∼ 200 GRBs recorded by GRO. Here we concentrate on just the top 10 GRBs (in peak counts/second). We obtain the limits on the emission by comparing the COBE fluxes before and after the GRB at the GRB location. Since it is thought that the microwave emission should lag the GRB event, we have searched the GRB position for emission in the few months following the GRB occurrence. © 1995 Kluwer Academic Publishers.
    Original languageEnglish
    Pages (from-to)331-334
    Number of pages3
    JournalAstrophysics and Space Science
    Issue number1-2
    Publication statusPublished - Sept 1995


    • COBE
    • Gamma Ray Bursts
    • microwave radiation


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