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The horizontal branch morphology of the globular cluster NGC 1261 using AstroSat

Rao, N. Kameswara; Subramaniam, Annapurni; Rani, Sharmila +2 more

We present the results obtained from the UV photometry of the globular cluster NGC 1261 using far-UV (FUV) and near-UV (NUV) images acquired with the Ultraviolet Imaging Telescope (UVIT) on-board the AstroSat satellite. We utilized the UVIT data combined with HST, GAIA, and ground-based optical photometric data to construct the different UV colour…