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Advances in Astronomy
Volume 2010, Article ID 194946, 9 pages
Research Article

“Pi of the Sky” Detector

1Center for Theoretical Physics Polish Academy of Sciences, Al. Lotnikow 32/46, 02-668 Warsaw, Poland
2The Andrzej Soltan Institute for Nuclear Studies, Hoza 69, 00-681 Warsaw, Poland
3Institute of Experimental Physics, University of Warsaw, Hoza 69, 00-681 Warsaw, Poland
4Institute of Electronic Systems, Warsaw University of Technology, Nowowiejska 15/19, 00-665 Warsaw, Poland
5Space Research Center Polish Academy of Sciences, Bartycka 18A, 00-716 Warsaw, Poland
6Faculty of Physics, Warsaw University of Technology, Koszykowa 75, 00-662 Warsaw, Poland

Received 29 June 2009; Accepted 27 October 2009

Academic Editor: Taro Kotani

Copyright © 2010 Katarzyna Małek et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


“Pi of the Sky” experiment has been designed for continuous observations of a large part of the sky, in search for astrophysical phenomena characterized by short timescales, especially for prompt optical counterparts of Gamma Ray Bursts (GRBs). Other scientific goals include searching for novae and supernovae stars and monitoring of blasars and AGNs activity. “Pi of the Sky” is a fully autonomous, robotic detector, which can operate for long periods of time without a human supervision. A crucial element of the detector is an advanced software for real-time data analysis and identification of short optical transients. The most important result so far has been an independent detection and observation of the prompt optical emission of the “naked-eye” GRB080319B.