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Prototype Faraday Rotation Measure Catalogs from the Polarisation Sky Survey of the Universe’s Magnetism (POSSUM) Pilot Observations

  • Authors: S. Vanderwoude, J. L. West, B. M. Gaensler, L. Rudnick, C. L. Van Eck, A. J. M. Thomson, H. Andernach, C. S. Anderson, E. Carretti, G. H. Heald, J. P. Leahy, N. M. McClure-Griffiths, S. P. O'Sullivan, M. Tahani, A. G. Willis

S. Vanderwoude et al 2024 The Astronomical Journal 167 .

  • Provider: AAS Journals

Caption: Figure 11.

Distribution of the difference between the EM and EC RMs in units of δRM. We overplot a Gaussian fit to the data, shown by the dashed red line. There are three points beyond ±3σ and no points beyond the bounds of the graph. The distribution has μ ∼ 0 and σ ∼ 1, suggesting that the large spread in RMs in Figure 10 is due to the large RM uncertainties in the EM and is not an issue with data quality.

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