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2024RNAAS...8...37C - Research Notes of the AAS, 8, 37 (2024/January-0)

A Radio Technosignature Search of Six Resonant Sub-Neptunes Orbiting HD 110067.

CHOZA C., CROFT S., SIEMION A.P.V., SHEIKH S., LEBOFSKY M., MacMAHON D.H.E., DREW J. and WORDEN S.P.

Abstract (from CDS):

We describe archival observations and analysis of the HD 110067 planetary system using the Green Bank Telescope (GBT) as part of the Breakthrough Listen search for technosignatures. The star hosts six sub-Neptune planets in resonant orbits, and we tune the drift rate range of our search to match the properties of the system derived by Luque et al. Our observations cover frequencies from 1 to 11.2 GHz, using the GBT's L, S, C, and X-band receivers, to an equivalent isotropic radiated power limit of ∼3 × 1012 W. No technosignatures were found, but this unusual system remains an interesting target for future technosignature searches.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Exoplanets - Technosignatures - Search for extraterrestrial intelligence - Radio astronomy

Simbad objects: 2

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