Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Adhikari, Tek P."'
Autor:
Dinesh, Adithiya, Bhatta, Gopal, Adhikari, Tek P., Mohorian, Maksym, Dhital, Niraj, Chaudhary, Suvas C., Panis, Radim, Gora, Dariusz
Blazars exhibit relentless variability across diverse spatial and temporal frequencies. The study of long- and short-term variability properties observed in the X-ray band provides insights into the inner workings of the central engine. In this work,
Externí odkaz:
http://arxiv.org/abs/2309.00406
Autor:
Czerny, Bożena, Zajaček, Michal, Naddaf, Mohammad-Hassan, Sniegowska, Marzena, Panda, Swayamtrupta, Różanska, Agata, Adhikari, Tek P., Pandey, Ashwani, Jaiswal, Vikram Kumar, Karas, Vladimír, Borkar, Abhijeet, Martínez-Aldama, Mary Loli, Prince, Raj
Since many years we know that dust in the form of the dusty-molecular torus is responsible for the obscuration in active galactic nuclei (AGN) at large viewing angles and thus for the classification of AGN. Recently, we gained some observational and
Externí odkaz:
http://arxiv.org/abs/2211.11022
Publikováno v:
A&A 662, A77 (2022)
Changing look active galactic nuclei (CLAGNs) show complex nature in their X-ray spectral shape and line of sight column density variation. The physical mechanisms responsible for these variations are unclear. Here, we study the spectral properties o
Externí odkaz:
http://arxiv.org/abs/2204.02133
Autor:
Mohorian, Maksym, Bhatta, Gopal, Adhikari, Tek P., Dhital, Niraj, Pánis, Radim, Dinesh, Adithiya, Chaudhary, Suvas C., Bachchan, Rajesh K., Stuchlík, Zdeňek
The X-ray emission from blazars has been widely investigated using several space telescopes. In this work, we explored statistical properties of the X-ray variability in the blazars S5 0716+714, OJ 287, Mkn 501 and RBS 2070 using the archival observa
Externí odkaz:
http://arxiv.org/abs/2112.11272
X-ray flux from the inner hot region around central compact object in a binary system illuminates the upper surface of an accretion disc and it behaves like a corona. This region can be photoionised by the illuminating radiation, thus can emit differ
Externí odkaz:
http://arxiv.org/abs/2104.14220
Autor:
Panda, Swayamtrupta, Czerny, Bożena, Adhikari, Tek P., Hryniewicz, Krzysztof, Wildy, Conor, Kuraszkiewicz, Joanna, Śniegowska, Marzena
The concept of the quasar main sequence is very attractive since it stresses correlations between various parameters and implies the underlying simplicity. In the optical plane defined by the width of the H\{beta} line and the ratio of the equivalent
Externí odkaz:
http://arxiv.org/abs/1806.08571
In this paper we fit the NuSTAR and XMM-Newton data of three sources: NGC7793~P13, NGC5907~ULX1, and Circinus~ULX5. Our single model contains emission form non-spherical system: neutron star plus accretion disk directed towards observer. We obtained
Externí odkaz:
http://arxiv.org/abs/1710.02024
Autor:
Czerny, Bozena, Modzelewska, Justyna, Petrogalli, Francesco, Pych, Wojtek, Adhikari, Tek P., Zycki, Piotr T., Hryniewicz, Krzysztof, Krupa, Magdalena, Kurcz, Agnieszka, Nikolajuk, Marek
We propose a very simple physical mechanism responsible for the formation of the Low Ionization Line part of the Broad Line Region in Active Galactic Nuclei. It explains the scaling of the Broad Line Region size with the monochromatic luminosity, inc
Externí odkaz:
http://arxiv.org/abs/1409.7312
Akademický článek
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Autor:
Czerny, Bożena, Modzelewska, Justyna, Petrogalli, Francesco, Pych, Wojtek, Adhikari, Tek P., Życki, Piotr T., Hryniewicz, Krzysztof, Krupa, Magdalena, Świe¸toń, Agnieszka, Nikołajuk, Marek
Publikováno v:
In Advances in Space Research 1 April 2015 55(7):1806-1815