Author： Piotrowski L. W.
Publisher： Edp Sciences
E-ISSN： 1432-0746|540|issue|L8-L8
ISSN： 0004-6361
Source： Astronomy & Astrophysics, Vol.540, Iss.issue, 2012-03, pp. : L8-L8
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Abstract
I present the results of the search for an optical precursor to the naked-eye burst – GRB080319B, which reached 5.87m optical peak luminosity in the “Pi of the Sky” data. A burst of such a high brightness could have been preceded by an optical precursor luminous enough to be in detection range of our experiment. The “Pi of the Sky” cameras observed the coordinates of the GRB for about 20 min prior to the explosion, thus provided crucial data for the precursor search. No signal within 3
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