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The patchy temperature map of magnetars

On a magnetar’s surface, magnetic fields can create permanent sunspot-like structures. Accounting for heat diffusion and magnetic evolution in a magnetar’s crust in the latest simulations improves agreement with observations.

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Fig. 1: Hotspots on the surface of magnetars.


  1. 1.

    Igoshev, A. et al. Nat. Astron. (2020).

  2. 2.

    Potekhin, A. et al. Space Sci. Rev. 191, 239–291 (2015).

    Article  ADS  Google Scholar 

  3. 3.

    Thompson, C. & Duncan, R. Astrophys. J. 408, 194–217 (1993).

    Article  ADS  Google Scholar 

  4. 4.

    Goldreich, P. & Reisenegger, A. Astrophys. J. 395, 250–258 (1992).

    Article  ADS  Google Scholar 

  5. 5.

    Gourgouliatos, K. N. et al. Proc. Natl Acad. Sci. USA 113, 3944–3949 (2016).

    Article  ADS  Google Scholar 

  6. 6.

    Pons, J. A. et al. Astron. Astrophys. 496, 207–216 (2009).

    Article  ADS  Google Scholar 

  7. 7.

    Graber, V. et al. Mon. Not. R. Astron. Soc. 453, 671–681 (2015).

    Article  ADS  Google Scholar 

  8. 8.

    Ofengeim, D. D. & Gusakov, M. E. Phys. Rev. D. 90, 043007 (2018).

    Article  ADS  Google Scholar 

  9. 9.

    Tzefaracos, P. et al. Nat. Commun. 9, 591 (2018).

    Article  ADS  Google Scholar 

  10. 10.

    Bilous, A. V. et al. Astrophys. J. Lett. 488, L23 (2019).

    Article  ADS  Google Scholar 

  11. 11.

    Tiengo, A. et al. Nature 500, 312–314 (2013).

    Article  ADS  Google Scholar 

  12. 12.

    Beloborodov, A. & Li, X. Astrophys. J. 833, 261 (2016).

    Article  ADS  Google Scholar 

Download references

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Correspondence to Daniele Viganò.

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The author declares no competing interests.

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Viganò, D. The patchy temperature map of magnetars. Nat Astron 5, 118–119 (2021).

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