A team of scientists from Sweden, India, the UK, and the USA has led to the development of a method for detecting technosignatures associated with Dyson Spheres.
This initiative named Project Hephaistos, after the Greek god of fire and metallurgy, aims to identify potential Dyson Sphere constructions by advanced civilizations.
In their study, the scientists detail a thorough investigation into partial Dyson spheres using data from GAIA, 2MASS, and WISE, which are extensive astronomical surveys serving various purposes.
The analysis involved a vast amount of data from individual stars, with approximately 5 million sources examined in this particular paper to construct a catalog of potential Dyson spheres.
But sorting through such a vast amount of data is a daunting task, and so the research team devised a specialized data pipeline for this purpose, capable of processing the combined data from the surveys.
Their objective is to identify partially-constructed spheres, which would emit additional infrared radiation.
However, identifying these structures is challenging, as various natural objects also emit excess infrared radiation, such as circumstellar dust rings, nebulae, and background galaxies.
And so they designed the pipeline in such a way that it can separate potential Dyson sphere candidates from natural sources by filtering out sources with unusual amounts of infrared radiation that can't be explained by known natural sources.
Source: rb.gy/mj9d8p
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10 май 2024
