Erratum: X-Ray Study of the Outer Region of Abell 2142 with Suzaku

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<jats:title>Abstract</jats:title> <jats:p>In the paper [PASJ 63, S1019 (2012)], there was an error in the estimation of gas mass. The correct gas mass at the virial radius is 2.40$\ \pm\ $0.20 $\times$ 10$^{14}\ M_{\bigodot}$. Thus, the gas mass fraction also changes from 14.4$^{+7.1}_{-4.1}$% to 21.8$^{+10.7}_{-6.3}$%. Although this value is still consistent with the weak-lensing result of $\sim\ $18% (Okabe & Umetsu 2008, PASJ, 60, 345), our result allows possibilities for the low electron temperature compared with that of ions, gas clumpiness in the cluster outskirts as reported in the Perseus cluster (Simionescu et al. 2011, Science, 331, 1576) and non-thermal pressure such as turbulence and bulk motions in ICM (Kawaharada et al. 2010, ApJ, 714, 423). The conclusions in the paper are not affected by this change.</jats:p>

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詳細情報 詳細情報について

  • CRID
    1872835442792717056
  • DOI
    10.1093/pasj/64.4.90
  • ISSN
    2053051X
    00046264
  • データソース種別
    • OpenAIRE

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