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This article is an erratum for:

Volume 549, January 2013
Article Number C4
Number of page(s) 1
Section Astrophysical processes
Published online 15 January 2013

For the paper by Wang & Chang (2012), we have made the following two corrections.

  • (1)

    The last sentence in the first paragraph of the introduction iscorrected to “The quiescent state is characterized by lowluminosity in the range of ~1031−1033 erg s-1 (e.g. Bozzo et al. 2008; González-Riestra et al. 2004; in ’t Zand 2005; Leyder et al. 2007), with the exception of IGR 16479–4514 of  ~1034 erg s-1 (Sguera V. et al., 2008)”.

  • (2)

    We could not find any original source for the spin period 2.14 s of IGR J16479–4514 listed on the web page cited in the paper. The discussion about IGR J16479–4514 in the third part of the paper is therefore unjustified. This, however, does not affect the conclusions in the paper.


  1. Bozzo, E., Falanga, M., & Stella, L. 2008, ApJ, 683, 1031 [NASA ADS] [CrossRef] [Google Scholar]
  2. González-Riestra, R., Oosterbroek, T., Kuulkers, E., Orr, A., & Parmar, A. N. 2004, A&A, 420, 589 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
  3. in ’t Zand, J. J. M. 2005, A&A, 441, L1 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
  4. Leyder, J.-C., Walter, R., Lazos, M., Masetti, N., & Produit, N. 2007, A&A, 465, L35 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
  5. Sguera, V., Bassani, L., Landi, R., et al. 2008, A&A, 487, 619 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]
  6. Wang, J., & Chang, H. K. 2012, A&A, 547, A27 [NASA ADS] [CrossRef] [EDP Sciences] [Google Scholar]

© ESO, 2013

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