Full Sky Map of Bright Quasars

Full-sky map of all measurements of the fine-structure constant along the line of sight of bright quasars, in early 2019. Overall there is a 3.5 sigma statistical preference for a dipolar spatial variation. The preferred direction of maximal variation is inside the solid red line, and the dashed blue line depicts the equator of the dipole.

Mike Wilczynska and John K. Webb

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Data de divulgação:30 de Setembro de 2020 às 13:53
Tamanho:1058 x 595 px

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Tipo:Unspecified : Technology : Observatory : Instrument

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