A 4–8 GHz Galactic Center Search for Periodic Technosignatures

A Suresh, V Gajjar, P Nagarajan… - The Astronomical …, 2023 - iopscience.iop.org
Radio searches for extraterrestrial intelligence have mainly targeted the discovery of
narrowband continuous-wave beacons and artificially dispersed broadband bursts. Periodic …

A simultaneous dual-site technosignature search using international LOFAR stations

OA Johnson, V Gajjar, EF Keane… - The Astronomical …, 2023 - iopscience.iop.org
Abstract The Search for Extraterrestrial Intelligence aims to find evidence of
technosignatures, which can point toward the possible existence of technologically …

Characterization of the repeating FRB 20220912A with the Allen Telescope Array

SZ Sheikh, W Farah, AW Pollak… - Monthly Notices of …, 2024 - academic.oup.com
ABSTRACT FRB 20220912A is a repeating Fast Radio Burst (FRB) that was discovered in
Fall 2022 and remained highly active for several months. We report the detection of 35 FRBs …

[HTML][HTML] Upper bounds on technoemission rates from 60 years of “silence”

C Grimaldi - Acta Astronautica, 2023 - Elsevier
The lack of detection to date of electromagnetic technosignatures implies either that we have
been unable to detect them due to incomplete sampling of the search space or that we …

Conducting high-frequency radio SETI searches using ALMA

LA Mason, MA Garrett, K Wandia… - Monthly Notices of the …, 2025 - academic.oup.com
ABSTRACT The Atacama Millimeter/Submillimeter Array (ALMA) remains unparalleled in
sensitivity at radio frequencies above 35 GHz. In this paper, we explore ALMA's potential for …

The Breakthrough Listen Search for Intelligent Life: Galactic Center Search for Scintillated Technosignatures

B Brzycki, APV Siemion, I de Pater… - The Astronomical …, 2024 - iopscience.iop.org
The search for extraterrestrial intelligence at radio frequencies has focused on spatial
filtering as a primary discriminant from terrestrial interference. Individual search campaigns …

An interferometric SETI observation of Kepler-111 b

K Wandia, MA Garrett, JF Radcliffe… - Monthly Notices of …, 2023 - academic.oup.com
The application of very long baseline interferometry (VLBI) to the search for extraterrestrial
intelligence (SETI) has been limited to date, despite the technique offering many advantages …

COSMIC: An Ethernet-based Commensal, Multimode Digital Backend on the Karl G. Jansky Very Large Array for the Search for Extraterrestrial Intelligence

CD Tremblay, SS Varghese, J Hickish… - The Astronomical …, 2023 - iopscience.iop.org
The primary goal of the search for extraterrestrial intelligence is to gain an understanding of
the prevalence of technologically advanced beings (organic or inorganic) in the Galaxy. One …

A Radio Technosignature Search of TRAPPIST-1 with the Allen Telescope Array

N Tusay, SZ Sheikh, EL Sneed, W Farah… - The Astronomical …, 2024 - iopscience.iop.org
Planet–planet occultations (PPOs) occur when one exoplanet occults another exoplanet in
the same system, as seen from the Earth's vantage point. PPOs may provide a unique …

Inferring the Rate of Technosignatures from 60 yr of Nondetection

C Grimaldi - The Astronomical Journal, 2023 - iopscience.iop.org
For about the last 60 yr the search for extraterrestrial intelligence has been monitoring the
sky for evidence of remotely detectable technological life beyond Earth, with no positive …