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Browsing Aryabhatta Research Institute of Observational Sciences by Author "Sinha, Tirthendu"

Browsing Aryabhatta Research Institute of Observational Sciences by Author "Sinha, Tirthendu"

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  • Sinha, Tirthendu (ARIES, Nainital, 2023-03-25)
    The evolution of pre-main-sequence (PMS) stars involves a set of complex physical processes such as evolution of circumstellar disks, accretion processes, bipolar jets and outflows, evolution of angular momentum etc. Because ...
  • Ghosh, Arpan; Sharma, Saurabh; Ninan, Joe P.; Ojha, Devendra K.; Bhatt, Bhuwan C.; Sahu, D. K.; Baug, Tapas; Yadav, R. K.; Irawati, Puji; Gour, A. S.; Panwar, Neelam; Pandey, Rakesh; Sinha, Tirthendu (The Astrophysical Journal, 2023-09)
    We present here the results of 8 yr of our near-simultaneous optical–near-infrared spectro-photometric monitoring of the bona fide FU Ori (FUor)-type candidate V2493 Cygnus (V2493 Cyg) starting from 2013 September to ...
  • Sharma, Saurabh, et.al; Ghosh, Arpan; Reddy, B. Krishna; Nanjappa, Nandish; Pandey, Rakesh; Sinha, Tirthendu; Panwar, Neelam; Sahu, Sanjit; Bangia, Tarun (Publications of the Astronomical Society of the Pacific, 2022-08)
    We present the design and performance of the TANSPEC, a medium-resolution 0.55–2.5 μm cryogenic spectrometer and imager, now in operation at the 3.6 m Devasthal Optical Telescope (DOT), Nainital, India. The TANSPEC provides ...

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