D. Bhattacharya - Publications, H-index & Citations

D. Bhattacharya

Ashoka University

33H指数

450论文数

4.8K被引数

收录论文 90

发表时间

Spectropolarimetry of GRB 180427A: Evidence for Distinct Emission Sites with Varying Polarization GRB 180427A的光谱偏振测量：不同发射区域具有变化偏振的证据

astrophysical journal

IF0

2025-09-10

OAAI

Rushikesh Sonawane; Shabnam Iyyani; Soumya Gupta; Tanmoy Chattopadhyay; Dipankar Bhattacharya; Varun. B. Bhalerao; Santosh V. Vadawale; G. C. Dewangan

On Bactrian glitch-size distributions 关于巴克特里亚故障尺寸分布

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2025-04-30

OAAI

Anantharaman, S., V; Bhattacharya, Dipankar

Bright in the Black: Searching for Electromagnetic Counterparts to Gravitational-wave Candidates in LIGO-Virgo-KAGRA Observation Runs with AstroSat-CZTI

ASTROPHYSICAL JOURNAL

IF5.4

2024-11-18

OAAI

Waratkar, Gaurav; Bhalerao, Varun; Bhattacharya, Dipankar

Multi-epoch UV-X-Ray Spectral Study of NGC 4151 with AstroSat

ASTROPHYSICAL JOURNAL

IF5.4

2024-10-25

OAAI

Kumar, 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.

A Detailed Time-resolved and Energy-resolved Spectro-polarimetric Study of Bright Gamma-Ray Bursts Detected by AstroSat CZTI in Its First Year of Operation

ASTROPHYSICAL JOURNAL

IF5.4

2024-09-04

OAAI

Gupta, Rahul; Pandey, S. B.; Gupta, S.; Chattopadhayay, T.; Bhattacharya, D.; Bhalerao, V.; Castro-Tirado, A. J.; Valeev, A.; Ror, A. K.; Sharma, V.; Racusin, J.; Aryan, A.; Iyyani, S.; Vadawale, S.

Accretion Geometry of GX 339-4 in the Hard State: AstroSat View

ASTROPHYSICAL JOURNAL

IF5.4

2024-08-22

OAAI

Chand, Swadesh; Dewangan, Gulab C.; Zdziarski, Andrzej A.; Bhattacharya, Dipankar; Mithun, N. P. S.; Vadawale, Santosh V.

Detection of Simultaneous Quasiperiodic Oscillation Triplets in 4U 1728-34 and Constraining the Neutron Star Mass and Moment of Inertia

ASTROPHYSICAL JOURNAL

IF5.4

2024-05-28

OAAI

Anand, Kewal; Misra, Ranjeev; Yadav, J. S.; Jain, Pankaj; Kumar, Umang; Bhattacharya, Dipankar

A Multiwavelength Study of the Hard and Soft States of MAXI J1820+070 During Its 2018 Outburst

ASTROPHYSICAL JOURNAL

IF5.4

2024-03-29

OAAI

Banerjee, Srimanta; Dewangan, Gulab C.; Knigge, Christian; Georganti, Maria; Gandhi, Poshak; Mithun, N. P. S.; Saikia, Payaswini; Bhattacharya, Dipankar; Russell, David M.; Lewis, Fraser; Zdziarski, Andrzej A.

Localization of gamma-ray bursts using AstroSat Mass Model

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2024-02-14

OAAI

Saraogi, Divita; Aditya, J. Venkata; Bhalerao, Varun; Bala, Suman; Balasubramanian, Arvind; Mate, Sujay; Chattopadhyay, Tanmoy; Gupta, Soumya; Prasad, Vipul; Waratkar, Gaurav; Navaneeth, P. K.; Gopalakrishnan, Rahul; Bhattacharya, Dipankar; Dewangan, Gulab; Vadawale, Santosh

High Hard X-Ray Polarization in Cygnus X-1 Confined to the Intermediate Hard State: Evidence for a Variable Jet Component

ASTROPHYSICAL JOURNAL LETTERS

IF11.7

2023-12-29

OAAI

Chattopadhyay, Tanmoy; Kumar, Abhay; Rao, A. R.; Bhargava, Yash; Vadawale, Santosh V.; Ratheesh, Ajay; Dewangan, Gulab; Bhattacharya, Dipankar; Mithun, N. P. S.; Bhalerao, Varun

Fast-varying time lags in the quasi-periodic oscillation in GRS 1915+105

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2023-11-23

OAAI

Belloni, Tomaso M.; Mendez, Mariano; Garcia, Federico; Bhattacharya, Dipankar

Contrasting X-ray/UV time-lags in Seyfert 1 galaxies NGC 4593 and NGC 7469 using AstroSat observations

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2023-03-15

OAAI

Kumari, Kavita; Dewangan, G. C.; Papadakis, I. E.; Beard, Max W. J.; McHardy, I. M.; Singh, K. P.; Bhattacharya, D.; Bhattacharyya, S.; Chandra, S.

Time-scale-dependent X-ray to UV time lags of NGC 4593 using high-intensity XMM-Newton observations with Swift and AstroSat

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2022-11-22

OAAI

Beard, Max W. J.; McHardy, Ian M.; Kumari, Kavita; Dewangan, Gulab C.; Papadakis, Iossif; Bhattacharya, Dipankar; Singh, Kulinder Pal; Kynoch, Daniel; Pahari, Mayukh

Timing and spectral studies of Cen X-3 in multiple luminosity states using AstroSat

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2022-10-13

OAAI

Bachhar, Ritesh; Raman, Gayathri; Bhalerao, Varun; Bhattacharya, Dipankar

Extending the energy range of AstroSat-CZTI up to 380 keV with compton spectroscopy

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2022-09-03

OAAI

Kumar, Abhay; Chattopadhyay, Tanmoy; Vadawale, Santosh V.; Rao, A. R.; Mithun, N. P. S.; Bhalerao, Varun; Bhattacharya, Dipankar

Hard X-Ray Polarization Catalog for a Five-year Sample of Gamma-Ray Bursts Using AstroSat CZT Imager

ASTROPHYSICAL JOURNAL

IF5.4

2022-08-25

OAAI

Chattopadhyay, Tanmoy; Gupta, Soumya; Iyyani, Shabnam; Saraogi, Divita; Sharma, Vidushi; Tsvetkova, Anastasia; Ratheesh, Ajay; Gupta, Rahul; Mithun, N. P. S.; Vaishnava, C. S.; Prasad, Vipul; Aarthy, E.; Kumar, Abhay; Rao, A. R.; Vadawale, Santosh; Bhalerao, Varun; Bhattacharya, Dipankar; Vibhute, Ajay; Frederiks, Dmitry

Serendipitous Discovery of Three Millisecond Pulsars with the GMRT in Fermi-directed Survey and Follow-up Radio Timing

ASTROPHYSICAL JOURNAL

IF5.4

2022-07-12

OAAI

Bhattacharyya, B.; Roy, J.; Freire, P. C. C.; Ray, P. S.; Johnson, T. J.; Gupta, Y.; Bhattacharya, D.; Kaninghat, A.; Ferrara, E. C.; Michelson, P. F.

A new Monte Carlo radiative transfer simulation of cyclotron resonant scattering features

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2022-07-06

OAAI

Kumar, Sandeep; Bala, Suman; Bhattacharya, Dipankar

Probing the shot behaviour in Cygnus X-1 using simultaneous AstroSat-NICER observation

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2022-03-28

OAAI

Bhargava, Yash; Hazra, Nandini; Rao, A. R.; Misra, Ranjeev; Bhattacharya, Dipankar; Roy, Jayashree; Alam, Md Shah

Probing into emission mechanisms of GRB 190530A using time-resolved spectra and polarization studies: synchrotron origin?

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2022-01-08

OAAI

Gupta, Rahul; Gupta, S.; Chattopadhyay, T.; Lipunov, V; Castro-Tirado, A. J.; Bhattacharya, D.; Pandey, S. B.; Oates, S. R.; Kumar, Amit; Hu, Y-D; Valeev, A. F.; Minaev, P. Yu; Kumar, H.; Vinko, J.; Dimple, Dimple; Sharma, V; Aryan, A.; Castellon, A.; Gabovich, A.; Moskvitin, A.; Ordasi, A.; Pal, A.; Pozanenko, A.; Zhang, B-B; Kumar, B.; Svinkin, D.; Saraogi, D.; Vlasenko, D.; Fernandez-Garcia, E.; Gorbovskoy, E.; Anupama, G. C.; Misra, K.; Sarneczky, K.; Kriskovics, L.; Castro-Tirado, M. A.; Caballero-Garcia, M. D.; Tiurina, N.; Balanutsa, P.; Lopez, R. R.; Sanchez-Ramirez, R.; Szakats, R.; Belkin, S.; Guziy, S.; Iyyani, S.; Tiwari, S. N.; Vadawale, Santosh V.; Sun, T.; Bhalerao, V; Kornilov, V; Sokolov, V. V.

研究方向