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    • A near-infrared photometer for the 1-m telescope of Vainu Bappu Observatory

      ANWESH KUMAR MISHRA U. S. KAMATH

      Volume 42 Published: 22 April 2021 Article ID 0011

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/joaa/042/0011

    • Keywords

       

      Near-infared photomery; InGaAs detectors; variable stars.

    • Abstract

       

      A near-infrared photometer based on an InGaAs PIN photodiode and the filter set recommended by Infrared Working Group (IRWG) have been designed and built. It is mounted on the 1-m Carl–Zeiss telescope at the Vainu Bappu Observatory (VBO) in Kavalur, India. The main science goal is to observe bright sources (<5 magnitude) in the iZ, iJ and iH photometric bands. A discussion of the instrument and on-telescope performance during first-light tests are presented in this paper.

    • Author Affiliations

       

      ANWESH KUMAR MISHRA1 U. S. KAMATH1

      1. Indian Institute of Astrophysics, Sarjapur Road, Bengaluru 560034, India.

    • Dates

       
      Published
      22 April 2021
      Manuscript received
      17 September 2020
      Accepted
      30 October 2020
      Final version published online
      22 April 2021

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