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G

G. C. Dewangan

inter-university centre for astronomy and astrophysics

26H指数
243论文数
2.8K被引数
收录论文 119
发表时间
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X-Ray Spectral and Temporal Evolution of Atoll Source 4U 1820-30 with AstroSat: Detection of High-frequency Quasi-periodic OscillationX射线光谱和时变演化：基于AstroSat观测的Atoll源4U 1820-30的高频准周期振荡探测
errThe Astrophysical Journal
IF0
err2026-04-24
err0
errOAAI
errSubhasish Das; Vivek K. Agrawal; Parijat Thakur; G. C. Dewangan; Raj Kumar; Pragati Sahu; Vineet Kumar Mannaday
err分享
err收藏
Evolution of the Inner Accretion Flow in Swift J1727.8–1613 across Intermediate States: Insights from Broadband Spectral and Timing AnalysisSwift J1727.8–1613内部吸积流在中等状态下的演化：宽带光谱与时间分析的见解
errThe Astrophysical Journal
IF0
err2026-03-18
err0
errOAAI
errSwadesh Chand; Andrzej A. Zdziarski; Gulab C. Dewangan; Pragati Sahu
err分享
err收藏
Synchrotron Radiation from NGC 470 HLX1—a Hidden Hyperluminous Accreting Neutron Star?同步辐射来自NGC 470 HLX1——一颗隐藏的超极亮吸积中子星？
errThe Astrophysical Journal
IF0
err2026-03-16
err0
errOAAI
errTanuman Ghosh; Shiv Sethi; Gulab Chand Dewangan; Matteo Bachetti; Vikram Rana; Ranjeev Misra
err分享
err收藏
Spectral Connection between Far UV and Soft X-Ray Emission from Active Galactic Nuclei Using AstroSat使用AstroSat研究活动星系核远紫外与软X射线发射的谱关联
errThe Astrophysical Journal
IF0
err2026-02-12
err0
errOAAI
errShrabani Kumar; G. C. Dewangan; K. P. Singh; P. Gandhi; L. Mallick; G. C. Stewart; S. Bhattacharyya; S. Chandra
err分享
err收藏
The Strong Fe K Line and Spin of the Black Hole X-Ray Binary MAXI J1631–479强Fe K线与黑洞X射线双星MAXI J1631–479的自旋
errThe Astrophysical Journal Letters
IF0
err2026-02-12
err0
errOAAI
errAndrzej A. Zdziarski; Swadesh Chand; Gulab Dewangan; Ranjeev Misra; Michał Szanecki; Bei You; Maxime Parra; Grégoire Marcel
err分享
err收藏
Accretion Geometry of the New Galactic Black Hole Candidate AT2019wey in the Hard State
errThe Astrophysical Journal
IF0
err2026-02-03
err0
errOAAI
errPragati Sahu; Swadesh Chand; Gulab C. Dewangan; Andrzej A. Zdziarski; Vivek K. Agrawal; Parijat Thakur
err分享
err收藏
Probing the Dusty Torus of Seyfert Galaxy NGC 4151: A Multi-Band Study探测塞弗特星系NGC 4151的尘埃环：一项多波段研究
errGalaxies
IF3.8
err2026-01-06
err0
errOAAI
errArya Sudhakaran; Debbijoy Bhattacharya; Puthiyaveettil Shalima; Gulab Chand Dewangan; Parameshwaran Sreekumar
err分享
err收藏
Ultraviolet spectroscopy of the black hole X-ray binary MAXI J1820+070 across a state transitionMAXI J1820+070黑洞X射线双星在状态转换期间的紫外光谱
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2026-01-01
err0
errOAAI
errGeorganti, M.; Knigge, C.; Segura, N. Castro; Long, K. S.; Dewangan, G. C.; Banerjee, S.; Hynes, R., I; Gandhi, P.; Altamirano, D.; Patterson, J.; Zurek, D. R.
err分享
err收藏
Exploring the spectral characteristics of the periodic burster 4U 1323-62: Type-I X-ray burst and persistent emission探索周期性暴发源4U 1323-62的光谱特征：I型X射线暴与持续辐射
errJournal of High Energy Astrophysics
IF10.5
err2025-12-31
err0
PREAI
errMahasweta Bhattacharya; Aditya S. Mondal; Biplab Raychaudhuri; Gulab C. Dewangan
err分享
err收藏
Ultraluminous X-ray sources in the group-centric elliptical galaxy NGC 5813星系群中心椭圆星系NGC 5813中的超亮X射线源
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2025-10-01
err0
PREAI
errRajalakshmi, T. R.; Raychaudhury, Somak; Kavila, Indulekha; Dewangan, Gulab C.
err分享
err收藏
Spectropolarimetry of GRB 180427A: Evidence for Distinct Emission Sites with Varying PolarizationGRB 180427A的光谱偏振测量：不同发射区域具有变化偏振的证据
errastrophysical journal
IF0
err2025-09-10
err0
errOAAI
errRushikesh Sonawane; Shabnam Iyyani; Soumya Gupta; Tanmoy Chattopadhyay; Dipankar Bhattacharya; Varun. B. Bhalerao; Santosh V. Vadawale; G. C. Dewangan
err分享
err收藏
Exploring the Accretion Disk/Corona Connection in NGC 6814: Insights from UV and X-Ray Spectral-timing Studies探索NGC 6814中吸积盘/冕的连接关系：来自紫外和X射线光谱-时变研究的见解
errastrophysical journal
IF0
err2025-08-20
err0
PREAI
errKavita Kumari; I. E. Papadakis; G. C. Dewangan
err分享
err收藏
NuSTAR discovers a long type-I X-ray burst from the clocked burster GS 1826-24NuSTAR发现来自被遮蔽爆发源GS 1826-24的一次长时标I型X射线暴
errJournal of High Energy Astrophysics
IF10.5
err2025-08-18
err0
PREAI
errAditya S. Mondal; Mayukh Pahari; Gulab C. Dewangan
err分享
err收藏
AstroSat/UVIT Far- and Near-UV Deep Field Around IC 4329A
errASTRONOMICAL JOURNAL
IF5.1
err2025-03-03
err0
errOAAI
errGanguly, Piyali; Rani, Priyanka; Dewangan, Gulab C.
err分享
err收藏
NuSTAR view of the X-ray transients Swift J174805.3-244637 and IGR J17511-3057NuSTAR对X射线暂现源Swift J174805.3-244637和IGR J17511-3057的观测
errJOURNAL OF HIGH ENERGY ASTROPHYSICS
IF10.5
err2025-03-01
err0
PREAI
errMondal, Aditya S.; Bhattacharya, Mahasweta; Pahari, Mayukh; Raychaudhuri, Biplab; Ghosh, Rohit; Dewangan, Gulab C.
err分享
err收藏
Is the Spin of the Black Hole in GX 339-4 Negative?GX 339-4黑洞的自旋是负的吗？
errASTROPHYSICAL JOURNAL LETTERS
IF11.7
err2025-02-27
err0
errOAAI
errZdziarski, Andrzej A.; Banerjee, Srimanta; Szanecki, Michal; Misra, Ranjeev; Dewangan, Gulab
err分享
err收藏
Millinovae: A New Class of Transient Supersoft X-Ray Sources without a Classical Nova Eruption
errASTROPHYSICAL JOURNAL LETTERS
IF11.7
err2024-12-12
err0
errOAAI
errMroz, Przemek; Krol, Krzysztof; Szegedi, Helene; Charles, Philip; Page, Kim L.; Udalski, Andrzej; Buckley, David A. H.; Dewangan, Gulab; Meintjes, Pieter; Szymanski, Michal K.; Soszynski, Igor; Pietrukowicz, Pawel; Kozlowski, Szymon; Poleski, Radoslaw; Skowron, Jan; Ulaczyk, Krzysztof; Gromadzki, Mariusz; Rybicki, Krzysztof; Iwanek, Patryk; Wrona, Marcin; Mroz, Mateusz J.
err分享
err收藏
2017 Outburst of H 1743-322: AstroSat and Swift View
errASTROPHYSICAL JOURNAL
IF5.4
err2024-10-31
err0
errOAAI
errSahu, Pragati; Chand, Swadesh; Thakur, Parijat; Dewangan, G. C.; Agrawal, V. K.; Tripathi, Prakash; Das, Subhashish
err分享
err收藏
Multi-epoch UV-X-Ray Spectral Study of NGC 4151 with AstroSat
errASTROPHYSICAL JOURNAL
IF5.4
err2024-10-25
err0
errOAAI
errKumar, Shrabani; Dewangan, G. C.; Gandhi, P.; Papadakis, I. E.; Mithun, N. P. S.; Singh, K. P.; Bhattacharya, D.; Zdziarski, A. A.; Stewart, G. C.; Bhattacharyya, S.; Chandra, S.
err分享
err收藏
Relativistic X-ray reflection from the accreting millisecond X-ray pulsar IGR J17498-2921
errMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
IF4.8
err2024-09-13
err1
errOAAI
errBhattacharya, Mahasweta; Mondal, Aditya S.; Pahari, Mayukh; Raychaudhuri, Biplab; Ghosh, Rohit; Dewangan, Gulab C.
err分享
err收藏

研究方向

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合作学者
合作期刊
A
A. C. Fabian
H 指数: 130 · 论文数: 1.9K
L
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H 指数: 103 · 论文数: 1.1K
K
K. Nandra
H 指数: 94 · 论文数: 631
S
S. J. Smartt
H 指数: 92 · 论文数: 795
P
P. A. Mazzali
H 指数: 91 · 论文数: 564
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