31 citations · 138 across the 18 of their papers we have counts for
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Evolution of Accretion Properties in Mrk 1040 using long-term X-ray Observations
Prantik Nandi, Narendranath Layek, Sandip K Chakrabarti +2
We present a comprehensive long-term, multi-epoch spectral and timing study of the Seyfert 1 Active Galactic Nucleus (AGN) Mrk~1040, utilizing X-ray observations spanning from 2009…
Discovery of Changing-Look behavior in AGN NGC 3822: A long-term multiwavelength study
Narendranath Layek, Prantik Nandi, Sachindra Naik +7
We present a comprehensive long-term multi-wavelength study of the active galactic nucleus (AGN) NGC 3822, based on 17 years (2008 to 2025) of X-ray, ultraviolet (UV), and optical…
A long-term study of Mrk 50 : Appearance and disappearance of soft excess
Narendranath Layek, Prantik Nandi, Sachindra Naik +1
We present an extensive temporal and spectral study of the Seyfert 1 AGN Mrk 50 using 15 years (2007-2022) of multiwavelength observations from XMM-Newton, Swift, and NuSTAR for th…