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Browsing Aryabhatta Research Institute of Observational Sciences by Author "Panchal, Dimple"

Browsing Aryabhatta Research Institute of Observational Sciences by Author "Panchal, Dimple"

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  • Characterization of a deep-depletion 4K × 4K charge-coupled device detector system designed for ARIES Devasthal faint object spectrograph 
    Panchal, Dimple; Kumar, Tripurari S.; Omar, Amitesh; Misra, Kuntal (Journal of Astronomical Telescopes, Instruments, and Systems, 2023-02)
    We present the characterization of the charge-coupled device (CCD) system developed for the ARIES Devasthal faint object spectrograph (ADFOSC) instrument on the 3.6 m Devasthal optical telescope (DOT). We describe various ...
  • GRB 210217A: a short or a long GRB? 
    Panchal, Dimple; Mishra, Kuntal; Ghosh, Ankur; Arun, K. G.; Gupta, Rahul; Kumar, Amit; Resmi, L.; Pandey, S. B. (Journal of Astrophysics & Astronomy, 2022-12)
    Gamma-ray bursts are traditionally classified as short and long bursts based on their T90 value (the time interval during which an instrument observes 5% to 95% of gamma-ray/hard X-ray fluence). However, T90 is dependent ...
  • Modeling the late-time merger ejecta emission in short gamma ray bursts 
    Ghosh, Ankur; Misra, Kuntal, et.al.; Omar, Amitesh; Panchal, Dimple (Journal Astrophysical Astronomy, 2022-12)
    The short gamma ray bursts (GRBs) are the aftermath of the merger of binary compact objects (neutron star–neutron star or neutron star–black hole systems). With the simultaneous detection of gravi tational wave (GW) signal ...
  • Multiwavelength analysis of short GRB 201221D and its comparison with other high & low redshift short GRBs 
    Panchal, Dimple; Misra, Kuntal, et.al.; Ghosh, A.; Gupta, R.; Pandey, Shashi Bhushan (Monthly Notices of the Royal Astronomical Society, 2022-10)
    We present a detailed analysis of short GRB 201221D lying at redshift z = 1.045. We analyse the high-energy data of the burst and compare it with the sample of short gamma-ray bursts (SGRBs). The prompt emission characteristics ...

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