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2 results

  • X-ray spectral and image spatial models of NGC 3081 with Chandra data

  • O.V. Kompaniiets, Iu.V. Babyk, A.A. Vasylenko, I.O. Izviekova, I.B. Vavilova
  • Journal:
    Proceedings of the International Astronomical Union / Volume 16 / Issue S362 / June 2020
    Published online by Cambridge University Press:
    20 January 2023, pp. 100-104
    Print publication:
    June 2020
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  • The physical properties of AGN such as accretion rate, column density, temperature of hot corona and other characteristics can be found from X-ray spectral data. We present the results of spatial and spectral analysis for Sy2 type galaxy NGC 3081 obtained with different mathematical tools of the Chandra Interactive Analysis of Observations software. We found evidence of extended emission in 0.5-3.0 keV as well as derived parameters for model A: photon index , column density , warm component and hot component . We detected the presence of a component of the reflection spectrum, Fe Kα emission line with and .

  • Core X-ray sources in the Local Group galaxies

  • E. J. A. Meurs
  • Journal:
    Proceedings of the International Astronomical Union / Volume 1 / Issue S230 / August 2005
    Published online by Cambridge University Press:
    12 May 2006, pp. 219-222
    Print publication:
    August 2005
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  • As the nearest galaxies around us, the Local Group systems offer especially good opportunities for observations of their nuclear X-ray radiation. Certain or possible nuclear X-ray sources in the Local Group suggest a minimum luminosity for activity to become manifest.