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      Permanent link:
      https://www.ias.ac.in/article/fulltext/joaa/042/0051

    • Keywords

       

      Active galactic nuclei; narrow-line Seyfert 1; Mrk 335; X-ray; ultra-violet.

    • Abstract

       

      We present the results from the multi-wavelength monitoring observations of the Narrow-Line Seyfert 1 galaxy Mrk 335 with AstroSat. We analysed both the X-ray (SXT and LAXPC) and UV (UVIT) data of the source at two epochs, separated by $\sim$18 days. The source was in a low flux state during theobservations, and the X-ray spectra were found to be harder than usual. The presence of soft X-ray excess was identified in the observations, and the broadband X-ray continuum was modelled with power-law and black body (modified by intrinsic absorption) and a distant neutral reflection component. We did not find any variability in the X-ray spectral shape or the flux over this period. However, the UV flux is found to be variable between the observations. The obtained results from the X-ray analysis point to a scenario where theprimary emission is suppressed and the component due to distant reflection dominates the observed spectrum.

    • Author Affiliations

       

      SAVITHRI H. EZHIKODE1 GULAB C. DEWANGAN1 RANJEEV MISRA1

      1. Inter-University Centre for Astronomy & Astrophysics, Post Bag 4, Ganeshkhind, Pune 411 007, India.
    • Dates

       
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