OSETI with STACEE: A Search for Nanosecond Optical Transients from Nearby Stars

Details OSETI with STACEE: A Search for Nanosecond Optical Transients from Nearby Stars OSETI with STACEE: A Search for Nanosecond Optical Transients from Nearby Stars

2009-04-15

arxiv.org/abs/0904.2230v1

Astronomy and Astrophysics

Astrophysics

Earth and Planetary Astrophysics

38 pages, 12 figures. Accepted for publication in Astrobiology

Scientific paper

We have used the STACEE high-energy gamma-ray detector to look for fast blue-green laser pulses from the vicinity of 187 stars. The STACEE detector offers unprecedented light-collecting capability for the detection of nanosecond pulses from such lasers. We estimate STACEE's sensitivity to be approximately 10 photons per square meter at a wavelength of 420 nm. The stars have been chosen because their characteristics are such that they may harbor habitable planets and they are relatively close to Earth. Each star was observed for 10 minutes and we found no evidence for laser pulses in any of the data sets.

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