Browsing by Subject "surveys"

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  • The first look at narrow-line Seyfert 1 galaxies with eROSITA 
    Grünwald, G. ,et.al.; Rakshit, S. (Astronomy & Astrophysics, 2023-01)
    We present the first look at the spectral and timing analysis of narrow-line Seyfert 1 galaxies (NLS1s) with the extended ROentgen Survey with an Imaging Telescope Array (eROSITA) on board the Spectrum-Roentgen-Gamma (SRG) ...
  • Launching the VASCO Citizen Science Project 
    Villarroel, Beatriz, et.al.; Gupta, Alok C. (Universe, 2022-06)
    The Vanishing & Appearing Sources during a Century of Observations (VASCO) project investigates astronomical surveys spanning a time interval of 70 years, searching for unusual and exotic transients. We present herein ...
  • 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 ...
  • Search for merger ejecta emission from late-time radio observations of short GRBs using GMRT 
    Ghosh, Ankur; Vaishnava, C. S.; Resmi, L.; Misra, Kuntal; Arun, K. G.; Omar, Amitesh; Chakradhari, N. K. (Monthly Notices of the Royal Astronomical Society, 2024-01)
    In some cases, the merger of two neutron stars can produce a rapidly rotating and highly magnetized millisecond magnetar. A significant proportion of the rotational energy deposited to the emerging ejecta can produce a ...

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