activity
20192025
most citedBroadband X-Ray Observations of the 2018 Outburst of the Changing-Look Active Galactic Nucleus NGC 1566

31 citations · 138 across the 18 of their papers we have counts for

collaborators

18 papers

astro-ph.HE2025

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…

astro-ph.HE2025

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…

astro-ph.HE2025

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…

astro-ph.HE2024

Long-term X-ray temporal and spectral study of a Seyfert galaxy Mrk 6

Narendranath Layek, Prantik Nandi, Sachindra Naik +3

We present a long-term X-ray study of a nearby Active Galactic Nucleus Mrk 6, utilizing observations from XMM-Newton, Suzaku, Swift and NuSTAR observatories, spanning 22 years from…

astro-ph.HE2024

Long-term study of the first Galactic ultraluminous X-ray source Swift J0243.6+6124 using NICER

Birendra Chhotaray, Gaurava K. Jaisawal, Prantik Nandi +4

We present the results obtained from detailed X-ray timing and spectral studies of X-ray pulsar Swift J0243.6+6124 during its giant and normal X-ray outbursts between 2017 and 2023…

astro-ph.HE2023

The accretion properties of a low-mass Active Galactic Nucleus: UGC 6728

Prantik Nandi, Sachindra Naik, Arka Chatterjee +3

We present a comprehensive analysis of approximately years () of X-ray observations of UGC~6728, a low-mass bare AGN, for the first time. Our study encompasses both…