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Browsing by Subject "X-ray astronomy"

Browsing by Subject "X-ray astronomy"

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  • Broadband X-Ray Spectral Analysis of the ULX NGC 1313 X-1 Using JeTCAF: Origin of the ULX Bubble 
    Palit, Biswaraj; Mondal, Santanu (IOP Publishing, 2023-05)
    NGC 1313 X-1 is a mysterious ultraluminous X-ray (ULX) source whose X-ray-powering mechanism and bubblelike structure surrounding the source are topics of intense study. Here, we perform an X-ray spectroscopic study of the ...
  • DarpanX: A python package for modeling X-ray reflectivity of multilayer mirrors 
    Mondal, B; Vadawale, S. V; Mithun, N. P. S; Vaishnava, C. S; Tiwari, N. K; Goyal, S. K; Panini, S. S; Navalkar, V; Karmakar, C; Patel, M. R; Upadhyay, R. B (Elsevier B.V, 2021-01)
    Multilayer X-ray mirrors consist of a coating of a large number of alternate layers of high Z and low Z materials with a typical thickness of 10–100 Å , on a suitable substrate. Such coatings play an important role in ...
  • Image Reconstruction for a Continuously Rotating Coded Mask Camera 
    Shankar, B. T. R; Bhattacharya, D (Astronomical Society of India, 2003)
    We discuss a method for reconstructing the image for Scanning Sky Monitor which is a continuously rotating X-ray coded mask camera aboard the Indian astronomical satellite, ASTROSAT.
  • The Indian multi-wavelength astronomy satellite 
    Rao, A. R (Astronomical Society of India, 1999)
    The Indian X-ray Astronomy Experiment(IXAE) is currently in operation on-board the IRS-P3 satellite launched by the PSLV-D3 rocket in 1996 March 21. Based on IXAE observations, several interesting results have been obtained ...
  • Roaring to Softly Whispering: X-Ray Emission after ∼3.7 yr at the Location of the Transient AT2018cow and Implications for Accretion-powered Scenarios* 
    Migliori, Giulia; Margutti, R; Metzger, B. D; Chornock, R; Vignali, C; Brethauer, D; Coppejans, D. L; Maccarone, T; Sandoval, L. Rivera; Bright, J. S; Laskar, T; Milisavljevic, D; Berger, E; Nayana, A. J (American Astronomical Society, 2024-03-01)
    We present the first deep X-ray observations of luminous fast blue optical transient (LFBOT) AT 2018cow at ∼3.7 yr since discovery, together with the reanalysis of the observation at δt ∼ 220 days. X-ray emission ...
  • SN2019wxt: An Ultrastripped Supernova Candidate Discovered in the Electromagnetic Follow-up of a Gravitational Wave Trigger 
    Shivkumar, Hinna; Jaodand, Amruta D.; Balasubramanian, Arvind; Fremling, Christoffer; Corsi, Alessandra; Tzanidakis, Anastasios; Nissanke, Samaya; Kasliwal, Mansi; Brightman, Murray; Raaijmakers, Geert; Madsen, Kristin Kruse; Harrison, Fiona; Carbone, Dario; Nayana, A. J; Désert, Jean-Michel; Andreoni, Igor (American Astronomical Society, 2023-07-20)
    We present optical, radio, and X-ray observations of a rapidly evolving transient SN2019wxt (PS19hgw), discovered during the search for an electromagnetic counterpart to the gravitational-wave (GW) trigger S191213g. Although ...
  • Spectral signature of mass outflow in the two component advective flow paradigm 
    Mondal, Santanu; Chakrabarti, S. K (IOP Publishing, 2021-10-10)
    Outflows are common in many astrophysical systems. In the Two Component Advective Flow (TCAF) paradigm, which is essentially a generalized Bondi flow including rotation, viscosity, and cooling effects, the outflow originates ...

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