Search Results - "Dewangan, Gulab Chand"

A Comparison of X-Ray Photon Indices among the Narrow- and Broad-line Seyfert 1 Galaxies by Ojha, Vineet, Chand, Hum, Dewangan, Gulab Chand, Rakshit, Suvendu

“…We present a detailed comparative systematic study using a sample of 221 narrow-line Seyfert 1 (NLSy1) galaxies in comparison to a redshift-matched sample of…”
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Thermal Comptonization in a Changing Corona in the Changing-look Active Galaxy NGC 1566 by Tripathi, Prakash, Dewangan, Gulab Chand

“…Abstract We present broadband UV/X-ray spectral variability of the changing-look active galactic nucleus (AGN) NGC 1566, based on simultaneous near-ultraviolet…”
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Multiwavelength study of NGC 1365: The obscured active nucleus and off-nuclear compact X-ray sources by Swain, Subhashree, Dewangan, Gulab Chand, Shalima, P, Tripathi, Prakash, Latha, K V P

“…ABSTRACT We present a multiwavelength study of the active nucleus and the off-nuclear X-ray sources in the nearby spiral galaxy, NGC 1365 using three…”
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Revealing Thermal Comptonization of Accretion Disk Photons in IC 4329A with AstroSat by Tripathi, Prakash, Dewangan, Gulab Chand, Papadakis, I. E., Singh, K. P.

“…Abstract We present five simultaneous UV/X-ray observations of IC 4329A by AstroSat performed over a 5 month period. We utilize the excellent spatial…”
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Soft X-ray and FUV observations of Nova Her 2021 (V1674 Her) with AstroSat by Bhargava, Yash, Dewangan, Gulab Chand, Anupama, G C, Kamath, U S, Sonith, L S, Singh, Kulinder Pal, Drake, J J, Beardmore, A, Luna, G J M, Orio, M, Page, K L

“…ABSTRACT Nova Her 2021 or V1674 Her was one of the fastest novae to be observed so far. We report here the results from our timing and spectral studies of the…”
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The Correlation between the X-Ray Spectral Slope and the Fe Kα Line Energy in Radio-quiet Active Galactic Nuclei by Dewangan, Gulab Chand

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The Correlation between the X-Ray Spectral Slope and the F[CLC]e[/CLC] Kα Line Energy in Radio-quiet Active Galactic Nuclei by Dewangan, Gulab Chand

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Multi-wavelength study of NGC 1365: The obscured active nucleus and off-nuclear compact X-ray sources by Swain, Subhashree, Dewangan, Gulab Chand, Shalima, P, Tripathi, Prakash, Latha, K . V. P

“…We present a multi-wavelength study of the active nucleus and the off-nuclear X-ray sources in the nearby spiral galaxy, NGC 1365 using three simultaneous…”
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Soft X-ray and FUV observations of Nova Her 2021 (V1674~Her) with AstroSat by Bhargava, Yash, Dewangan, Gulab Chand, Anupama, G. C, Kamath, U. S, Sonith, L. S, Singh, Kulinder Pal, Drake, J. J, Beardmore, A, Luna, G. J. M, Orio, M, Page, K. L

“…Nova Her 2021 or V1674 Her was one of the fastest novae to be observed so far. We report here the results from our timing and spectral studies of the source…”
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Revealing Thermal Comptonization of accretion-disk photons in IC4329A with AstroSat by Tripathi, Prakash, Dewangan, Gulab Chand, Papadakis, I. E, Singh, K. P

“…We present five simultaneous UV/X-ray observations of IC4329A by AstroSat, performed over {a five-month} period. We utilize the excellent spatial resolution of…”
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A comparison of X-ray photon indices among the narrow and broad-line Seyfert 1 galaxies by Ojha, Vineet, Chand, Hum, Dewangan, Gulab Chand, Rakshit, Suvendu

“…We present a detailed comparative systematic study using a sample of 221 Narrow-line Seyfert 1 (NLSy1) galaxies in comparison to a redshift matched sample of…”
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In-orbit performance of AstroSat CZTI by Vadawale, Santosh V, Rao, A. R, Bhattacharya, Dipankar, Bhalerao, Varun B, Dewangan, Gulab Chand, Vibute, Ajay M, S, Mithun N. P, Chattopadhyay, Tanmoy, Sreekumar, S

“…Cadmium-Zinc-Telluride Imager (CZTI) is one of the five payloads on-board recently launched Indian astronomy satellite AstroSat. CZTI is primarily designed for…”
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The Correlation between X-ray spectral slope and FeKalpha line energy in radio-quiet active galactic nuclei by Dewangan, Gulab Chand

“…Astrophys.J. 581 (2002) L71-L76 A significant correlation between FeKalpha line energy and X-ray spectral slope has been discovered among radio-quiet active…”
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