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Browsing by Author "Witta, P. J."

Browsing by Author "Witta, P. J."

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  • Improved characterization of intranight optical variability of prominent AGN classes 
    Goyal, A.; Gopal-Krishna; Witta, P. J.; Stalin, C. S.; Sagar, R. (Oxford University Press, 2013)
    The incidence of intranight optical variability (INOV) is known to differ significantly among different classes of powerful active galactic nuclei (AGN). A number of statistical methods have been employed in the literature ...
  • Multiband variability in the blazar 3C 273 with XMM–Newton 
    Kalita, N.; Gupta, A. C.; Witta, P. J.; Bhagwan, J.; Duorah, K. (Oxford University Press, 2015-01-08)
    We have undertaken a nearly simultaneous optical/UV and X-ray variability study of the flat spectrum radio quasar, 3C 273 using data available from the XMM–Newton satellite mission from 2000 June to 2012 July. Here, we ...

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