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Concerns about modelling of the EDGES data

Nature volume 564, pages E32–E34 (2018)Cite this article

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arising from J. D. Bowman, A. E. E. Rogers, R. A. Monsalve, T. J. Mozdzen & N. Mahesh Nature 555, 67–70 (2018); https://doi.org/10.1038/nature25792

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Fig. 1: Fits to the EDGES data.
Fig. 2: Further illustrations of the fitting process.

Data availability

For all our analyses we used the ‘Data for Figure 1 of Bowman et al. (2018)’ in the EDGES Data Release, which is available at http://loco.lab.asu.edu/edges/edges-data-release/.

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Author information

Author notes

  1. Girish Kulkarni

    Present address: Department of Theoretical Physics, Tata Institute of Fundamental Research, Mumbai, India

  2. Ewald Puchwein

    Present address: Leibniz Institute for Astrophysics, Potsdam, Germany

Authors and Affiliations

  1. Cavendish Laboratory, University of Cambridge, Cambridge, UK

    Richard Hills

  2. Institute of Astronomy, University of Cambridge, Cambridge, UK

    Girish Kulkarni, P. Daniel Meerburg & Ewald Puchwein

  3. Kavli Institute for Cosmology, University of Cambridge, Cambridge, UK

    Girish Kulkarni, P. Daniel Meerburg & Ewald Puchwein

  4. Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Cambridge, UK

    P. Daniel Meerburg

  5. Kapteyn Astronomical Institute, University of Groningen, Groningen, The Netherlands

    P. Daniel Meerburg

  6. Van Swinderen Institute for Particle Physics and Gravity, University of Groningen, Groningen, The Netherlands

    P. Daniel Meerburg

Authors
  1. Richard Hills
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  2. Girish Kulkarni
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  3. P. Daniel Meerburg
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  4. Ewald Puchwein
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Contributions

E.P. initiated this study by pointing out the importance of the role of the foreground parameters in the claimed detection of an absorption profile. All authors participated in the detailed analysis and the writing of the Comment.

Corresponding author

Correspondence to Richard Hills.

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Competing interests

Declared none.

Supplementary information

Supplementary Information

This file contains Supplementary Information including Supplementary Figures 1 to 11 and Supplementary Tables 1 and 2.

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Hills, R., Kulkarni, G., Meerburg, P.D. et al. Concerns about modelling of the EDGES data. Nature 564, E32–E34 (2018). https://doi.org/10.1038/s41586-018-0796-5

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  • DOI: https://doi.org/10.1038/s41586-018-0796-5

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