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    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/joaa/011/04/0475-0490

    • Keywords

       

      spectroscopy, R CrB; 1988–1989 minimum

    • Abstract

       

      Moderate-resolution spectra of the C2 Swan 0-1 bandhead, the Na I D lines and the KI resonance lines near 7660 Å obtained at minimum light during the 1988–1989 decline of R CrB are discussed and interpreted in terms of a popular model for R CrB declines. High-resolution spectra obtained at maximum light show blue-shifted chromospheric emission in the cores of the Na I D and the Sc π 4246.8 Å lines

    • Author Affiliations

       

      David L. Lambert1 N. Kameswara Rao2 Sunetra Giridhar2

      1. Department of Astronomy, University of Texas, Austin, Texas, USA
      2. Indian Institute of Astrophysics, Bangalore - 560034

    • Dates

       
      Published
      December 1990
      Manuscript received
      14 June 1990
      Accepted
      20 August 1990

  • 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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      Posted on July 25, 2019

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