47 citations · 164 across the 13 of their papers we have counts for
13 papers
Insight-HXMT Spectral and Timing Studies of a Giant Outburst in RX J0440.9+4431
Prahlad R. Epili, Wei Wang
The Be/X-ray binary pulsar RX J0440.9+4431 underwent a giant outburst in late 2022 and lasted three months. The Insight-HXMT has observed this source at several instances of the en…
AstroSat and Insight-HXMT observations of the long-period X-ray pulsar 4U 2206+54
Prahlad R. Epili, Wei Wang
We report the timing and spectral studies of the accreting X-ray pulsar 4U 2206+54 using astrosat and hxmt observations taken in 2016 and 2020 respectively. X-ray pulsations from t…
Evidence for a cyclotron absorption line and spectral transition in EXO 2030+375 during 2021 giant outburst
Wen Yang, Wei Wang, Prahlad R. Epili
Based on HXMT observations of EXO 2030+375 during its 2021 giant outburst, we report the analysis of pulse variations and the broadband X-ray spectrum, and find the presence of a p…
Timing and spectral variability of high mass X-ray pulsar GX 301--2 over orbital phases observed by Insight-HXMT
Y. Z. Ding, W. Wang, P. R. Epili +7
We report the orbital X-ray variability of high mass X-ray binary (HMXB) GX301--2. GX301--2 undergone a spin up process in 2018--2020 with the period evolving from 685 s to…
Accretion Torque Reversals in GRO J1008-57 Revealed by Insight-HXMT
W. Wang, Y. M. Tang, Y. L. Tuo +92
GRO J1008-57, as a Be/X-ray transient pulsar, is considered to have the highest magnetic field in known neutron star X-ray binary systems. Observational data of the X-ray outbursts…
AstroSat observations of eclipsing high mass X-ray binary pulsar OAO 1657-415
Gaurava K. Jaisawal, Sachindra Naik, Prahlad R. Epili +3
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 p…
Detection of X-ray pulsations at the lowest observed luminosity of Be/X-ray binary pulsar EXO 2030+375 with AstroSat
Gaurava K. Jaisawal, Sachindra Naik, Shivangi Gupta +4
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…
Revisiting the spectral and timing properties of 4U 1909+07 with NuSTAR and Astrosat
Gaurava K. Jaisawal, Sachindra Naik, Wynn C. G. Ho +3
We present the results obtained from the analysis of high mass X-ray binary pulsar 4U 1909+07 using NuSTAR and Astrosat observations in 2015 and 2017 July, respectively. X-ray puls…
Spectral and timing studies of 2S 1417-624 during a giant outburst
Shivangi Gupta, Sachindra Naik, Gaurava K. Jaisawal +1
We present the results obtained from timing and spectral studies of the accretion powered X-ray pulsar 2S~1417-624 during a giant outburst in 2009 by using {\it Rossi X-ray Timing…
A curious case of the accretion-powered X-ray pulsar GX 1+4
Gaurava K. Jaisawal, Sachindra Naik, Shivangi Gupta +2
We present detailed spectral and timing studies using a NuSTAR observation of GX 1+4 in October 2015 during an intermediate intensity state. The measured spin period of 176.778 s i…
Decade long RXTE monitoring observations of Be/X-ray binary pulsar EXO 2030+375
Prahlad Epili, Sachindra Naik, Gaurava K. Jaisawal +1
We present a comprehensive timing and spectral studies of Be/X-ray binary pulsar EXO 2030+375 using extensive Rossi X-ray Timing Explorer observations from 1995 till 2011, covering…
Broad-band spectroscopy of the transient X-ray binary pulsar KS 1947+300 during 2013 giant outburst: Detection of pulsating soft X-ray excess component
Prahlad Epili, Sachindra Naik, Gaurava K. Jaisawal
We present the results obtained from detailed timing and spectral studies of the Be/X-ray binary pulsar KS 1947+300 during its 2013 giant outburst. We used data from Suzaku observa…
Suzaku view of Be/X-ray binary pulsar GX 304-1 during Type I X-ray outbursts
Gaurava K. Jaisawal, Sachindra Naik, Prahlad Epili
We report the timing and spectral properties of Be/X-ray binary pulsar GX 304-1 by using two Suzaku observations during its 2010 August and 2012 January X-ray outbursts. Pulsations…