Abstract The first interplanetary gamma-ray burst spacecraft network is making possible the precise determination of gamma-ray burst source locations. This network is an international cooperation involving the Helios-2, Pioneer Venus, Venera-11, Venera-12, ISEE-3 and Prognoz-7 spacecraft. The celestial regions that have been defined, with one exception, have no correlations either to known x-ray emitters or to steady optical counterparts, to ∼ 22nd mag. The event of 1979 March 5 has a very small source field located within the contour of the supernova remnant N49 in the LMC; the possibility of this measurement as a source identification, the 55 kpc distance of N49 as opposed to the nearby source distances assumed for typical bursts, and the very different characteristics of this event, however, are three arguments for its separate classification. The recent identification of an archived, 50-year old, optical transient within the high-precision source field of a typical burst [1] suggests both that events may repeat and that sources may be localized with even greater accuracy optically. This review outlines the precise source location data being produced by the first and the second spacecraft networks, the possibilities of additional networks and of related studies in other disciplines, and the prospects both for real-time optical transient observations and for the definition of gamma-ray burst sources by optical transient astronomy.


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    Title :

    Developments in high-precision gamma-ray burst source studies


    Contributors:
    Cline, T.L. (author)

    Published in:

    Publication date :

    1983-01-01


    Size :

    9 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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