{ "id": 237992, "title": "Papers on technosignature signals", "url": "/competitions/seti-breakthrough-listen/discussion/237992", "author_name": "Charlie Craine", "post_date": "2021-05-11T00:06:50.721000", "votes": 28, "comment_count": 2, "views": 0, "content": "

Hey everyone!

\n

I wanted to start a papers thread and build on it, and hope others share as well, papers to gain domain knowledge. I have no domain knowledge in this area so I have downloaded papers that appeared to be relevant after reading their abstracts. I'll be reading these over the coming days and commenting more as I go through all of them. Hope this helps!

\n

Research Papers:

\n", "messages": [ { "id": 1301070, "postDate": "2021-05-11T00:06:50.723Z", "content": "

Hey everyone!

\n

I wanted to start a papers thread and build on it, and hope others share as well, papers to gain domain knowledge. I have no domain knowledge in this area so I have downloaded papers that appeared to be relevant after reading their abstracts. I'll be reading these over the coming days and commenting more as I go through all of them. Hope this helps!

\n

Research Papers:

\n", "rawMarkdown": "Hey everyone!\n\nI wanted to start a papers thread and build on it, and hope others share as well, papers to gain domain knowledge. I have no domain knowledge in this area so I have downloaded papers that appeared to be relevant after reading their abstracts. I'll be reading these over the coming days and commenting more as I go through all of them. Hope this helps!\n\n**Research Papers:**\n\n- [A Search for Technosignatures Around 31 Sun-like Stars with the Green Bank Telescope at 1.15-1.73 GHz](https://arxiv.org/abs/2011.05265) - Specifically, we applied an improved candidate signal detection procedure that relies on the topographic prominence of the signal power, which nearly doubles the signal detection count of some previously analyzed data sets. We also improved the direction-of-origin filters that remove most radio frequency interference (RFI) to ensure that they uniquely link signals observed in separate scans.\n\n- [Novel Technosignatures](https://arxiv.org/abs/2009.08873) - Technosignatures can represent a sign of technology that may infer the existence of intelligent life elsewhere in the universe. This had usually meant searches for extraterrestrial intelligence using narrow-band radio signals or pulsed lasers. \n\n- [Narrow-Band Signal Localization for SETI on Noisy Synthetic Spectrogram Data](https://arxiv.org/abs/2006.04362) - In this work, we approach this problem using convolutional neural networks (CNN) as a computationally efficient method for localizing signals in synthetic observations resembling data collected by Breakthrough Listen using the Green Bank Telescope. We generate two synthetic datasets, the first with exactly one signal at various SNR levels and the second with exactly two signals, one of which represents RFI. \n\n- [Reworking the SETI Paradox: METI's Place on the Continuum of Astrobiological Signaling](https://arxiv.org/abs/2006.01167) - The Search for Extraterrestrial Intelligence (SETI) has heretofore been a largely passive exercise, reliant on the pursuit of technosignatures. Still, there are those that advocate a more active approach. Messaging Extraterrestrial Intelligence (METI) has had a controversial history within the larger SETI project; it is claimed that the risks involved outweigh any potential benefits. \n\n- [The Breakthrough Listen Search for Intelligent Life: A 3.95-8.00 GHz Search for Radio Technosignatures in the Restricted Earth Transit Zone](https://arxiv.org/abs/2002.06162) - We report on a search for artificial narrowband signals of 20 stars within the restricted Earth Transit Zone as a part of the ten-year Breakthrough Listen (BL) search for extraterrestrial intelligence. \n\n- [Breakthrough Listen Follow-up of the Random Transiter (EPIC 249706694/HD 139139) with the Green Bank Telescope](https://arxiv.org/abs/1910.03711) - We search for narrow band signals above a signal-to-noise threshold of 10 and with Doppler drift rates within +-5 Hz/s. We detect no evidence of technosignatures from EPIC 249706694 and derive an upper limit for the EIRP (Equivalent Isotropic Radiated Power) of putative transmissions to be 10 TW.\n\n- [Searching for Extraterrestrial Intelligence by Locating Potential ET Communication Networks in Space](https://arxiv.org/abs/1907.05259) - The first hypothesis posits that an ET technosignature would more likely appear in a potentially habitable solar system containing a high concentration of planets, wherein the planets function as communication access points to facilitate a potential ET communication network. The second hypothesis posits that an ET technosignature would more likely appear in a highly concentrated cluster of potentially habitable solar systems. \n\n- [SETI in the Spatio-Temporal Survey Domain](https://arxiv.org/abs/1907.04443) - Traditional searches for extraterrestrial intelligence (SETI) or \"technosignatures\" focus on dedicated observations of single stars or regions in the sky to detect excess or transient emission from intelligent sources.", "votes": 28 }, { "id": 1302547, "postDate": "2021-05-11T15:35:18.227Z", "content": "

Hey Charlie, another one that might be worth a look. It appears to be a pretty broad survey on technosignatures. More precisely it is a summary of the workshop described below.

\n

https://arxiv.org/ftp/arxiv/papers/1812/1812.08681.pdf
\n
\nNASA AND THE SEARCH FOR
\nTECHNOSIGNATURES
\nA Report from the NASA
\nTechnosignatures Workshop
\nNOVEMBER 28, 2018

\n
\n

On September 26–28, 2018, NASA hosted the Technosignatures Workshop at the Lunar and Planetary
\n Institute in Houston, Texas, to learn more about the current field and state of the art for technosignatures
\n searches and what role NASA could possibly play in the future in these searches.
\n The workshop had four main goals.

\n
    \n
  1. Define the current state of the technosignature field. What experiments have occurred? What
    \n is the state-of-the-art for technosignature detection? What limits do we currently have on
    \n technosignatures?
    2. \n
  2. Understand the advances coming near-term in the technosignature field. What assets are in
    \n place that can be applied to the search for technosignatures? What planned and funded
    \n projects will advance the state-of-the-art in future years, and what is the nature of that
    \n advancement?
    3. \n
  3. Understand the future potential of the technosignature field. What new surveys, new
    \n instruments, technology development, new data-mining algorithms, new theory and modeling,
    \n etc., would be important for future advances in the field?
    4. \n
  4. What role can NASA partnerships with the private sector and philanthropic organizations play
    \n in advancing our understanding of the technosignatures field?
    5. \n
\n
", "rawMarkdown": "Hey Charlie, another one that might be worth a look. It appears to be a pretty broad survey on technosignatures. More precisely it is a summary of the workshop described below. \n\n[https://arxiv.org/ftp/arxiv/papers/1812/1812.08681.pdf\n](url)\nNASA AND THE SEARCH FOR\nTECHNOSIGNATURES\nA Report from the NASA\nTechnosignatures Workshop\nNOVEMBER 28, 2018\n\n> On September 26–28, 2018, NASA hosted the Technosignatures Workshop at the Lunar and Planetary\nInstitute in Houston, Texas, to learn more about the current field and state of the art for technosignatures\nsearches and what role NASA could possibly play in the future in these searches.\nThe workshop had four main goals.\n1. Define the current state of the technosignature field. What experiments have occurred? What\nis the state-of-the-art for technosignature detection? What limits do we currently have on\ntechnosignatures?\n2. Understand the advances coming near-term in the technosignature field. What assets are in\nplace that can be applied to the search for technosignatures? What planned and funded\nprojects will advance the state-of-the-art in future years, and what is the nature of that\nadvancement?\n3. Understand the future potential of the technosignature field. What new surveys, new\ninstruments, technology development, new data-mining algorithms, new theory and modeling,\netc., would be important for future advances in the field?\n4. What role can NASA partnerships with the private sector and philanthropic organizations play\nin advancing our understanding of the technosignatures field?", "votes": 2, "replies": [ { "id": 1302659, "postDate": "2021-05-11T16:49:05.773Z", "content": "

Awesome. Thank you for sharing!

", "rawMarkdown": "Awesome. Thank you for sharing!", "votes": 1 } ] } ], "comments": [ { "id": 1302547, "author_name": "KenTurner", "author_url": "", "post_date": "2021-05-11T15:35:18.227000", "content": "

Hey Charlie, another one that might be worth a look. It appears to be a pretty broad survey on technosignatures. More precisely it is a summary of the workshop described below.

\n

https://arxiv.org/ftp/arxiv/papers/1812/1812.08681.pdf
\n
\nNASA AND THE SEARCH FOR
\nTECHNOSIGNATURES
\nA Report from the NASA
\nTechnosignatures Workshop
\nNOVEMBER 28, 2018

\n
\n

On September 26–28, 2018, NASA hosted the Technosignatures Workshop at the Lunar and Planetary
\n Institute in Houston, Texas, to learn more about the current field and state of the art for technosignatures
\n searches and what role NASA could possibly play in the future in these searches.
\n The workshop had four main goals.

\n
    \n
  1. Define the current state of the technosignature field. What experiments have occurred? What
    \n is the state-of-the-art for technosignature detection? What limits do we currently have on
    \n technosignatures?
    2. \n
  2. Understand the advances coming near-term in the technosignature field. What assets are in
    \n place that can be applied to the search for technosignatures? What planned and funded
    \n projects will advance the state-of-the-art in future years, and what is the nature of that
    \n advancement?
    3. \n
  3. Understand the future potential of the technosignature field. What new surveys, new
    \n instruments, technology development, new data-mining algorithms, new theory and modeling,
    \n etc., would be important for future advances in the field?
    4. \n
  4. What role can NASA partnerships with the private sector and philanthropic organizations play
    \n in advancing our understanding of the technosignatures field?
    5. \n
\n
", "votes": 2, "replies": [ { "id": 1302659, "author_name": "Charlie Craine", "author_url": "", "post_date": "2021-05-11T16:49:05.773000", "content": "

Awesome. Thank you for sharing!

", "votes": 1, "replies": [] } ] } ], "raw_markdown_by_id": { "1301070": "Hey everyone!\n\nI wanted to start a papers thread and build on it, and hope others share as well, papers to gain domain knowledge. I have no domain knowledge in this area so I have downloaded papers that appeared to be relevant after reading their abstracts. I'll be reading these over the coming days and commenting more as I go through all of them. Hope this helps!\n\n**Research Papers:**\n\n- [A Search for Technosignatures Around 31 Sun-like Stars with the Green Bank Telescope at 1.15-1.73 GHz](https://arxiv.org/abs/2011.05265) - Specifically, we applied an improved candidate signal detection procedure that relies on the topographic prominence of the signal power, which nearly doubles the signal detection count of some previously analyzed data sets. We also improved the direction-of-origin filters that remove most radio frequency interference (RFI) to ensure that they uniquely link signals observed in separate scans.\n\n- [Novel Technosignatures](https://arxiv.org/abs/2009.08873) - Technosignatures can represent a sign of technology that may infer the existence of intelligent life elsewhere in the universe. This had usually meant searches for extraterrestrial intelligence using narrow-band radio signals or pulsed lasers. \n\n- [Narrow-Band Signal Localization for SETI on Noisy Synthetic Spectrogram Data](https://arxiv.org/abs/2006.04362) - In this work, we approach this problem using convolutional neural networks (CNN) as a computationally efficient method for localizing signals in synthetic observations resembling data collected by Breakthrough Listen using the Green Bank Telescope. We generate two synthetic datasets, the first with exactly one signal at various SNR levels and the second with exactly two signals, one of which represents RFI. \n\n- [Reworking the SETI Paradox: METI's Place on the Continuum of Astrobiological Signaling](https://arxiv.org/abs/2006.01167) - The Search for Extraterrestrial Intelligence (SETI) has heretofore been a largely passive exercise, reliant on the pursuit of technosignatures. Still, there are those that advocate a more active approach. Messaging Extraterrestrial Intelligence (METI) has had a controversial history within the larger SETI project; it is claimed that the risks involved outweigh any potential benefits. \n\n- [The Breakthrough Listen Search for Intelligent Life: A 3.95-8.00 GHz Search for Radio Technosignatures in the Restricted Earth Transit Zone](https://arxiv.org/abs/2002.06162) - We report on a search for artificial narrowband signals of 20 stars within the restricted Earth Transit Zone as a part of the ten-year Breakthrough Listen (BL) search for extraterrestrial intelligence. \n\n- [Breakthrough Listen Follow-up of the Random Transiter (EPIC 249706694/HD 139139) with the Green Bank Telescope](https://arxiv.org/abs/1910.03711) - We search for narrow band signals above a signal-to-noise threshold of 10 and with Doppler drift rates within +-5 Hz/s. We detect no evidence of technosignatures from EPIC 249706694 and derive an upper limit for the EIRP (Equivalent Isotropic Radiated Power) of putative transmissions to be 10 TW.\n\n- [Searching for Extraterrestrial Intelligence by Locating Potential ET Communication Networks in Space](https://arxiv.org/abs/1907.05259) - The first hypothesis posits that an ET technosignature would more likely appear in a potentially habitable solar system containing a high concentration of planets, wherein the planets function as communication access points to facilitate a potential ET communication network. The second hypothesis posits that an ET technosignature would more likely appear in a highly concentrated cluster of potentially habitable solar systems. \n\n- [SETI in the Spatio-Temporal Survey Domain](https://arxiv.org/abs/1907.04443) - Traditional searches for extraterrestrial intelligence (SETI) or \"technosignatures\" focus on dedicated observations of single stars or regions in the sky to detect excess or transient emission from intelligent sources.", "1302547": "Hey Charlie, another one that might be worth a look. It appears to be a pretty broad survey on technosignatures. More precisely it is a summary of the workshop described below. \n\n[https://arxiv.org/ftp/arxiv/papers/1812/1812.08681.pdf\n](url)\nNASA AND THE SEARCH FOR\nTECHNOSIGNATURES\nA Report from the NASA\nTechnosignatures Workshop\nNOVEMBER 28, 2018\n\n> On September 26–28, 2018, NASA hosted the Technosignatures Workshop at the Lunar and Planetary\nInstitute in Houston, Texas, to learn more about the current field and state of the art for technosignatures\nsearches and what role NASA could possibly play in the future in these searches.\nThe workshop had four main goals.\n1. Define the current state of the technosignature field. What experiments have occurred? What\nis the state-of-the-art for technosignature detection? What limits do we currently have on\ntechnosignatures?\n2. Understand the advances coming near-term in the technosignature field. What assets are in\nplace that can be applied to the search for technosignatures? What planned and funded\nprojects will advance the state-of-the-art in future years, and what is the nature of that\nadvancement?\n3. Understand the future potential of the technosignature field. What new surveys, new\ninstruments, technology development, new data-mining algorithms, new theory and modeling,\netc., would be important for future advances in the field?\n4. What role can NASA partnerships with the private sector and philanthropic organizations play\nin advancing our understanding of the technosignatures field?" } }