• A. K. Kembhavi

      Articles written in Journal of Astrophysics and Astronomy

    • VRI photometry of M67 for CCD standardization at 2.3m VBT

      P. N. Bhat K. P. Singh T. P. Prabhu A. K. Kembhavi

      More Details Abstract Fulltext PDF

      We present the results from CCD photometry in theV, R andI bands, of the ‘Dipper Asterism’ region of the open cluster M67 based on observations carried out at the prime focus of the 2.3 m Vainu Bappu Telescope of the Vainu Bappu Observatory, Kavalur. The CCD parameters like the system gain and the readout noise are measured using several flatfield frames taken through the standardI filter. The CCD chip is calibrated using the photometric standards in the field and linear colour transformation relations are derived. Also a few newVRI photometric measurements are reported for the members of the cluster.

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      Posted on January 27, 2016

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      Posted on July 25, 2019

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