SETI By means of the Water MASER Radio-Emission at 22 GHz

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Presentation transcript:

SETI By means of the Water MASER Radio-Emission at 22 GHz C.B.Cosmovici, IAPS / INAF Roma

Water Maser emission during the Jupiter impact of Comet Shoemaker-Levy 9

Comparative spectra of Epsilon Eridani: on the left hand the data acquired with the SPECTRA-2 backend show a clear detection with a SNR > 4; on the right hand, the same target was simultaneoulsy acquired with the old spectrometer MSPEC0 used for the Jupiter – Comet impact Both spectra were obtained by means of a similar instrumental and antenna setup. Please note that MSPEC0 was not able to detect any visible feature.

Spectrum of the exoplanetary target Lalande 21185 observed at a frequency of 22 GHz, with the Noto INAF-IRA radiotelescope.

Gliese 581, Noto, 30-08-2012. Boxcar filter Gliese 581, Noto, 30-08-2012. Boxcar filter. SNR = 5, FWHM=44kHz, vrad=0.4 km/s

Present and Future Extrasolar Planet Search Optical Spectroscopy: gravitational wobbling Optical Photometry I: occultation Optical Photometry II: gravitational microlensing Radio : MASER Emission Space Interferometry: direct imaging

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