Low-Cost Optical All-Sky Monitor For Detection of Bright OTs of GRBs

Details Low-Cost Optical All-Sky Monitor For Detection of Bright OTs of GRBs Low-Cost Optical All-Sky Monitor For Detection of Bright OTs of GRBs

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1133..215h&link_type=abstract

GAMMA-RAY BURST: Sixth Huntsville Symposium. AIP Conference Proceedings, Volume 1133, pp. 215-217 (2009).

Other

Gamma-Ray Sources, Gamma-Ray Bursts, X-Ray Binaries, Neutrino, Muon, Pion, And Other Elementary Particles, Cosmic Rays

Scientific paper

We report on the development and tests of an alternative optical all-sky monitor recently tested at the Karlovy Vary Observatory. The monitor is based on a Peleng 8 mm fish-eye lens (1:3, 5-1:16) and CANON EOS 350D digital CCD camera. This type of monitor represents a low-cost device suitable for easy replication and still able to detect brighter optical transients simultaneously to GRB triggers. Such OTs have been observed for some of the GRBs such as GRB990123, GRB060117, or recently GRB0803 indicating that some fraction of GRBs can generate optical transient emission accessible by simple small aperture instrumentation as described here. These efforts are accompanied by development of dedicated programmes to access and to evaluate all-sky images, these efforts will be also briefly described. The All-Sky Monitor is a space variant optical system and its point spread function (PSF) has not uniform shape in the field of view. The processing and measuring of image data is complicated and sophisticated deconvolution algorithms are used for image restoration.

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