File:Example PH3 spectrum, from the circled region superimposed on the continuum image.png

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Summary

Description
English: "The example spectrum in Figure (f4: left panel) was extracted from the region circled on the simultaneous continuum image (f4: right panel – square-root colour scale; annotated with pole-to-pole axis; planet 26% dark, on the right limb). The circle is 4 arcsec in diameter, smaller than the largest angular scale (LAS) of 4.3 arcsec, and so l:c should represent the true value."

"We selected this example where the net spectrum is relatively clean of artefacts across the passband – specifically, few offsets in signal-level that persist over a few km/s. This is not the only region with possible PH3 absorption, and we encourage exploration of the dataset."

(A screenshot of the PDF made with Spectacle and Okular)
Date
Source https://arxiv.org/abs/2011.08176
Author Authors of the study: Jane S. Greaves, Anita M. S. Richards, William Bains, Paul B. Rimmer, David L. Clements, Sara Seager, Janusz J. Petkowski, Clara Sousa-Silva, Sukrit Ranjan, Helen J. Fraser

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Captions

From the study "Re-analysis of Phosphine in Venus' Clouds"

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16 November 2020

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