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      Permanent link:
      https://www.ias.ac.in/article/fulltext/joaa/024/01-02/0037-0043

    • Keywords

       

      Galaxies: active; quasars: absorption lines; radio lines: galaxies; quasars: individual (3C190)

    • Abstract

       

      We report the GMRT detection of associated HI 21 cm-line absorption in thez = 1.1946 red quasar 3C 190. Most of the absorption is blue-shifted with respect to the systemic redshift. The absorption, at ∼ 647.7 MHz, is broad and complex, spanning a velocity width of ∼ 600 kms−1. Since the core is self-absorbed at this frequency, the absorption is most likely towards the hotspots. Comparison of the radio and deep optical images reveal linear filaments in the optical which overlap with the brighter radio jet towards the south-west. We therefore suggest that most of the HI 21 cm-line absorption could be occurring in the atomic gas shocked by the south-west jet.

    • Author Affiliations

       

      C. H. Ishwara-Chandra1 K. S. Dwarakanath2 K. R. Anantharamaiah2

      1. TIFR, National Center for Radio Astrophysics, Post Bag 3, Ganeshkhind, Pune - 411 007, India
      2. Raman Research Institute, Sadashivanagar, Bangalore - 560 080, India

    • Dates

       
      Published
      6 March 2003
      Manuscript received
      27 March 2003
      Accepted
      5 June 2003

  • Journal of Astrophysics and Astronomy | News

    • Continuous Article Publication

      Posted on January 27, 2016

      Since January 2016, the Journal of Astrophysics and Astronomy has moved to Continuous Article Publishing (CAP) mode. This means that each accepted article is being published immediately online with DOI and article citation ID with starting page number 1. Articles are also visible in Web of Science immediately. All these have helped shorten the publication time and have improved the visibility of the articles.

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