Soft X-ray focusing Telescope aboard AstroSat: Early results

Research output: Contribution to journalJournal article – Annual report year: 2017Researchpeer-review



  • Author: Singh, Kamaleshwar P.

    Tata Institute of Fundamental Research, India

  • Author: Dewangan, G. C.

    Inter-University Centre for Astronomy and Astrophysics India, India

  • Author: Chandra, S.

    Tata Institute of Fundamental Research, India

  • Author: Bhattacharayya, S.

    Tata Institute of Fundamental Research, India

  • Author: Chitnis, V.

    Tata Institute of Fundamental Research, India

  • Author: Stewart, G. C.

    University of Leicester, United Kingdom

  • Author: Westergaard, N. J.

    Astrophysics and Atmospheric Physics, National Space Institute, Technical University of Denmark, Elektrovej, 2800, Kgs. Lyngby, Denmark

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The Soft X-ray focusing Telescope (SXT) is a moderateresolution X-ray imaging spectrometer supplementing the ultraviolet and hard X-ray payloads for broadband studies of cosmic sources with AstroSat. Well suited for observing bright X-ray sources, SXT observations of nearby active galactic nuclei (AGN), binary star systems with compact companions, active stars, etc. are producing long soft X-ray light curves and high-quality spectra. The strong X-ray variability and multiple spectral components exhibited by SXT observations of nearby Seyfert 1 galaxies show excellent promise to probe accretion disks and central engines in AGN through multi-band variability and spectroscopy.

Original languageEnglish
JournalCurrent Science
Issue number4
Pages (from-to)587-590
Publication statusPublished - 2017
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Active galactic nuclei, Stars, Supernova remnants, X-ray astronomy
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