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  • AstroSat observation of X-ray dips and state transition in the black hole candidate MAXI J1803-298 
    Jana, Arghajit; Naik, Sachindra; Jaisawal, Gaurava K.; Chhotaray, Birendra; Kumari, Neeraj; Gupta, Shivangi (Oxford University Press, 2022-04)
    We present the results obtained from broad-band X-ray timing and spectral analysis of black hole (BH) candidate MAXI J1803–298 using an AstroSat observation on 2021 May 11-12. Four periodic absorption dips with a periodicity ...
  • AstroSat observations of eclipsing high mass X-ray binary pulsar OAO 1657-415 
    Jaisawal, Gaurava K.; Naik, Sachindra; Epili, Prahlad R.; Chhotaray, Birendra; Jana, Arghajit; Agrawal, P. C (Scientific Research Publishing, 02-10-21)
    We present the results obtained from analysis of two AstroSat observations of the high mass X-ray binary pulsar OAO 1657-415. The observations covered 0.681–0.818 and 0.808–0.968 phases of the ∼10.4 day orbital period of ...
  • Detection of X-ray pulsations at the lowest observed luminosity of Be/X-ray binary pulsar EXO 2030+375 with AstroSat 
    Jaisawal, Gaurava K.; Naik, Sachindra; Gupta, Shivangi; Agrawal, P. C., Jana, Arghajit; Chhotaray, Birendra; Epili, Prahlad R. (Springer Nature, 2021-10)
    We present the results obtained from timing and spectral studies of Be/X-ray binary pulsar EXO 2030 +375 using observations with the Large Area Xenon Proportional Counters and Soft X-ray Telescope of AstroSat, at various ...
  • NICER observations of the black hole candidate MAXI J0637–430 during the 2019–2020 outburst 
    Jana, Arghajit; Jaisawal, Gaurava K.; Naik, Sachindra; Kumari, Neeraj; Chhotaray, Birendra; Altamirano, D.; Remillard, R. A.; Gendreau, Keith C. (Royal Astronomical Society, 2021-07)
    We present detailed timing and spectral studies of the black hole candidate MAXI J0637–430 during its 2019–2020 outburst using observations with the Neutron Star Interior Composition Explorer (NICER) and the Neil Gehrels ...

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