Radio observations of the merging galaxy cluster Abell 520 (Corrigendum)

D. N. Hoang; T. W. Shimwell; R. J. van Weeren; G. Brunetti; H. J. A. Röttgering; F. Andrade-Santos; A. Botteon; M. Brüggen; R. Cassano; A. Drabent; F. de Gasperin; M. Hoeft; H. T. Intema; D. A. Rafferty; A. Shweta; A. Stroe

doi:10.1051/0004-6361/201833900e

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Erratum

This article is an erratum for:
[https://doi.org/10.1051/0004-6361/201833900]

Issue		A&A Volume 624, April 2019 LOFAR Surveys: a new window on the Universe


Article Number		C1
Number of page(s)		1
Section		Cosmology (including clusters of galaxies)
DOI		https://doi.org/10.1051/0004-6361/201833900e
Published online		02 April 2019

A&A 624, C1 (2019)

Radio observations of the merging galaxy cluster Abell 520 (Corrigendum)

D. N. Hoang¹, T. W. Shimwell²^,1, R. J. van Weeren¹, G. Brunetti³, H. J. A. Röttgering¹, F. Andrade-Santos⁴, A. Botteon³^,5, M. Brüggen⁶, R. Cassano³, A. Drabent⁷, F. de Gasperin⁶, M. Hoeft⁷, H. T. Intema¹, D. A. Rafferty⁶, A. Shweta⁸ and A. Stroe⁹

¹ Leiden Observatory, Leiden University, PO Box 9513, 2300 RA Leiden, The Netherlands
e-mail: hoang@strw.leidenuniv.nl
² Netherlands Institute for Radio Astronomy (ASTRON), PO Box 2, 7990 AA Dwingeloo, The Netherlands
³ INAF-Istituto di Radioastronomia, Via P. Gobetti 101, 40129 Bologna, Italy
⁴ Harvard-Smithsonian for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
⁵ Dipartimento di Fisica e Astronomia, Università di Bologna, Via P. Gobetti 93/2, 40129 Bologna, Italy
⁶ Hamburger Sternwarte, University of Hamburg, Gojenbergsweg 112, 21029 Hamburg, Germany
⁷ Thüringer Landessternwarte, Sternwarte 5, 07778 Tautenburg, Germany
⁸ Indian Institute of Science Education and Research (IISER), Pune, India
⁹ European Southern Observatory, Karl-Schwarzschild-Str. 2, 85748 Garching, Germany

Key words: acceleration of particles / galaxies: clusters: individual: Abell 520 / galaxies: clusters: intracluster medium / large-scale structure of Universe / errata, addenda

Erratum for: A&A, 622, A20 (2019), https://doi.org/10.1051/0004-6361/201833900

Some errors have occurred during the production of the original article. The left panel of Fig. 8 was incomplete. Here we publish the correct Fig. 8. Also, Eq. (5) was incorrect, it should read:

$\begin{matrix} α_{inj} = \frac{1}{2} - \frac{M^{2} + 1}{M^{2} - 1} \cdot \end{matrix}$ $\begin{aligned} \alpha _{\rm inj}=\frac{1}{2}-\frac{\mathcal{M} ^{2}+1}{\mathcal{M} ^{2}-1}\cdot \end{aligned}$

Fig. 8.

Scatter plots of spectral index and radio SB (I_R) as a function of X-ray SB (I_X). The regions for extracting data are shown in the overlaid image (left panel). The data points are plotted in the same colour as the regions in the overlaid image (i.e. black circles for the central regions, magenta squares for the regions in the SW direction, and red diamonds for the regions in the NE direction). The best-fit parameters are obtained for the central regions.

© ESO 2019

All Figures

Fig. 8.

Scatter plots of spectral index and radio SB (I_R) as a function of X-ray SB (I_X). The regions for extracting data are shown in the overlaid image (left panel). The data points are plotted in the same colour as the regions in the overlaid image (i.e. black circles for the central regions, magenta squares for the regions in the SW direction, and red diamonds for the regions in the NE direction). The best-fit parameters are obtained for the central regions.

In the text

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