A Search for Artificial Signals From the Small Magellanic Cloud

Astronomy and Astrophysics – Astronomy

Scientific paper

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Extraterrestrial Intelligence, Magellanic Clouds

Scientific paper

We have used the Parkes radio telescope to observe three fields in the Small Magellanic Cloud encompassing > 10^7^ stars, looking for signals that could be ascribed to extraterrestrial intelligence. No narrow-band (<1 Hz) continuous or slowly-pulsed emissions greater than ~19 Jy were detected in the observed spectral band of 1.2-1.75 GHz. This limit corresponds to a transmitter power of ~5 x 10^5^ MW for a 100 m antenna at the distance of the SMC (EIRP of ~1.5 10^12^ MW).

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