The First High Frequency Technosignature Search Survey with the Sardinia Radio Telescope
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| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866912579998187520 |
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| author | Manunza, Lorenzo Vendrame, Alice Pizzuto, Luca Mulas, Monica Perez, Karen I. Gajjar, Vishal Melis, Andrea Pilia, Maura Perrodin, Delphine Aresu, Giambattista Burgay, Marta Cabras, Alessandro Carboni, Giuseppe Casu, Silvia Coiana, Tiziana Corongiu, Alessandro Croft, Steve Egron, Elise Johnson, Owen A. Ladu, Adelaide Lebofsky, Matt Loi, Francesca MacMahon, David Molinari, Emilio Murgia, Matteo Pellizzoni, Alberto Pisanu, Tonino Poddighe, Antonio Rea, Erika Siemion, Andrew Soletta, Paolo Trudu, Matteo Vacca, Valentina |
| author_facet | Manunza, Lorenzo Vendrame, Alice Pizzuto, Luca Mulas, Monica Perez, Karen I. Gajjar, Vishal Melis, Andrea Pilia, Maura Perrodin, Delphine Aresu, Giambattista Burgay, Marta Cabras, Alessandro Carboni, Giuseppe Casu, Silvia Coiana, Tiziana Corongiu, Alessandro Croft, Steve Egron, Elise Johnson, Owen A. Ladu, Adelaide Lebofsky, Matt Loi, Francesca MacMahon, David Molinari, Emilio Murgia, Matteo Pellizzoni, Alberto Pisanu, Tonino Poddighe, Antonio Rea, Erika Siemion, Andrew Soletta, Paolo Trudu, Matteo Vacca, Valentina |
| contents | The quest for radio signals from technologically-advanced extraterrestrial intelligence has traditionally concentrated on the vicinity of 1.4 GHz. In this paper, we extend the search to unprecedented territories, detailing our extensive observations at 6 GHz and initiating the first-ever survey at 18 GHz with the Sardinia Radio Telescope (SRT). Our strategy entailed rigorous observation sessions, totaling 36 hours, directed towards the Galactic Center and 72 selected TESS targets-making this the most comprehensive high-frequency technosignature search to date. Our narrowband signal search found no definitive evidence of drifting signals that could suggest an extraterrestrial origin from the surveyed regions. Nevertheless, our efforts have enabled us to set new constraints on the presence of radio emissions from approximately $5\times 10^{5}$ stars, establishing an isotropic radiated power limit of $1.8\times 10^{19} W$. We also provide a comparative analysis of the 'hits' recorded across both frequencies to highlight the significance of pursuing technosignature searches at higher frequencies, where the spectral landscape is less congested and more conducive to detection. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_09288 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The First High Frequency Technosignature Search Survey with the Sardinia Radio Telescope Manunza, Lorenzo Vendrame, Alice Pizzuto, Luca Mulas, Monica Perez, Karen I. Gajjar, Vishal Melis, Andrea Pilia, Maura Perrodin, Delphine Aresu, Giambattista Burgay, Marta Cabras, Alessandro Carboni, Giuseppe Casu, Silvia Coiana, Tiziana Corongiu, Alessandro Croft, Steve Egron, Elise Johnson, Owen A. Ladu, Adelaide Lebofsky, Matt Loi, Francesca MacMahon, David Molinari, Emilio Murgia, Matteo Pellizzoni, Alberto Pisanu, Tonino Poddighe, Antonio Rea, Erika Siemion, Andrew Soletta, Paolo Trudu, Matteo Vacca, Valentina High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics The quest for radio signals from technologically-advanced extraterrestrial intelligence has traditionally concentrated on the vicinity of 1.4 GHz. In this paper, we extend the search to unprecedented territories, detailing our extensive observations at 6 GHz and initiating the first-ever survey at 18 GHz with the Sardinia Radio Telescope (SRT). Our strategy entailed rigorous observation sessions, totaling 36 hours, directed towards the Galactic Center and 72 selected TESS targets-making this the most comprehensive high-frequency technosignature search to date. Our narrowband signal search found no definitive evidence of drifting signals that could suggest an extraterrestrial origin from the surveyed regions. Nevertheless, our efforts have enabled us to set new constraints on the presence of radio emissions from approximately $5\times 10^{5}$ stars, establishing an isotropic radiated power limit of $1.8\times 10^{19} W$. We also provide a comparative analysis of the 'hits' recorded across both frequencies to highlight the significance of pursuing technosignature searches at higher frequencies, where the spectral landscape is less congested and more conducive to detection. |
| title | The First High Frequency Technosignature Search Survey with the Sardinia Radio Telescope |
| topic | High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2410.09288 |