1 Ocak 2019 Dergi makalesi Açık Erişim

Sezer, A.; Ergin, T.; Yamazaki, R.; Sano, H.; Fukui, Y.

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{
  "@context": "https://schema.org/", 
  "@id": 114050, 
  "@type": "ScholarlyArticle", 
  "creator": [
    {
      "@type": "Person", 
      "affiliation": "Avrasya Univ, Dept Elect Elect Engn, TR-61250 Trabzon, Turkey", 
      "name": "Sezer, A."
    }, 
    {
      "@type": "Person", 
      "affiliation": "TUBITAK Space Technol Res Inst, ODTU Campus, TR-06800 Ankara, Turkey", 
      "name": "Ergin, T."
    }, 
    {
      "@type": "Person", 
      "affiliation": "Aoyama Gakuin Univ, Dept Phys & Math, 5-10-1 Fuchinobe, Sagamihara, Kanagawa 2525258, Japan", 
      "name": "Yamazaki, R."
    }, 
    {
      "@type": "Person", 
      "name": "Sano, H."
    }, 
    {
      "@type": "Person", 
      "name": "Fukui, Y."
    }
  ], 
  "datePublished": "2019-01-01", 
  "description": "We present the results from the Suzaku X-ray Imaging Spectrometer observation of the mixed-morphology supernova remnant (SNR) HB9 (G160.9+2.6). We discovered recombining plasma (RP) in the western Suzaku observation region and the spectra here are well described by a model having collisional ionization equilibrium (CIE) and RP components. On the other hand, the X-ray spectra from the eastern Suzaku observation region are best reproduced by the CIE and non-equilibrium ionization model. We discuss possible scenarios to explain the origin of the RP emission based on the observational properties and concluded that the rarefaction scenario is a possible explanation for the existence of RP. In addition, the gamma-ray emission morphology and spectrum within the energy range of 0.2-300 GeV are investigated using 10 yr of data from the Fermi Large Area Telescope (LAT). The gamma-ray morphology of HB9 is best described by the spatial template of radio continuum emission. The spectrum is well fit to a log-parabola function and its detection significance was found to be 25 sigma. Moreover, a new gamma-ray point source located just outside the south-east region of the SNR's shell was detected with a significance of 6 sigma. We also investigated the archival HI and CO data and detected an expanding shell structure in the velocity range of -10.5 and +1.8 km s(-1) that is coinciding with a region of gamma-ray enhancement at the southern rim of the HB9 shell.", 
  "headline": "Discovery of recombining plasma inside the extended gamma-ray supernova remnant HB9", 
  "identifier": 114050, 
  "image": "https://aperta.ulakbim.gov.tr/static/img/logo/aperta_logo_with_icon.svg", 
  "license": "http://www.opendefinition.org/licenses/cc-by", 
  "name": "Discovery of recombining plasma inside the extended gamma-ray supernova remnant HB9", 
  "url": "https://aperta.ulakbim.gov.tr/record/114050"
}