Query : 2012A&A...540L...8P

2012A&A...540L...8P - Astronomy and Astrophysics, volume 540, L8-8 (2012/4-1)

Constraints on the optical precursor to the naked-eye burst GRB 080319B from ``Pi of the sky'' observations.


Abstract (from CDS):

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 3σ limit was found. A limit of 12m (V-band equivalent) was set based on the data combined from two cameras, the most robust limit to my knowledge for this precursor.

Abstract Copyright:

Journal keyword(s): gamma-ray burst: individual: GRB080319B - methods: data analysis - methods: observational - techniques: photometric - instrumentation: detectors

Simbad objects: 3

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Number of rows : 3
N Identifier Otype ICRS (J2000)
ICRS (J2000)
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
1 SN 2005ap SN* 13 01 14.84 +27 43 31.4       18.20   SLSNIc 140 1
2 HD 127403 PM* 14 30 07.4415309936 +37 08 39.502955724   8.41 7.94     F5 21 0
3 GRB 080319B gB 14 31 41.04 +36 18 09.2           ~ 457 0

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