22 citations · 129 across the 29 of their papers we have counts for
32 papers
Role of SKA in Advancing Remote Measurements of Magnetic Fields of Solar Coronal Mass Ejections
Devojyoti Kansabanik, Surajit Mondal, Shaheda Begum Shaik +13
Coronal Mass Ejections (CMEs) are large expulsions of magnetized plasma from the Sun into interplanetary space and are the primary drivers of extreme space weather variations. The…
Coronal Magnetography using Spectropolarimetry with SKA Telescopes
Deepan Patra, Puja Majee, Soham Dey +6
The solar coronal magnetic field drives nearly every aspect of solar phenomena and activity -- from flares, coronal mass ejections, and solar wind that governs space weather to the…
Unravelling the nonthermal emissions from the quiet solar corona with the SKA
Surajit Mondal, Divya Oberoi, Rohit Sharma +4
Investigation of the nonthermal emissions from the quiet solar corona has been rather limited. This primarily stems from the fact that the emission is expected to be quite weak and…
State-of-the-art Observation, Calibration, and Imaging Framework for Solar and Heliospheric Sciences with SKA
Divya Oberoi, Devojyoti Kansabanik, Soham Dey +6
The Sun is a surprisingly difficult radio source to observe and image, even with the SKA. It is multiple orders brighter than the typical radio sources, which sensitive radio teles…
STORMY : A Real-time Triggering Framework using Yamagawa Solar Spectrograph for Active Solar Emission Observations with the MWA
Deepan Patra, Devojyoti Kansabanik, Divya Oberoi +5
Some of the most interesting insights into solar physics and space weather come from studying radio emissions associated with solar activity, which remain inherently unpredictable.…
Solar Observation with MeerKAT: Demonstration of Technical Readiness and Initial Science Highlight
Devojyoti Kansabanik, Marcel Gouws, Deepan Patra +6
Solar radio emissions offer unique diagnostic insights into the solar corona. However, their dynamic and multiscale nature, along with several orders of magnitude variations in int…
An automated, self-calibration based pipeline for high-fidelity solar imaging with LOFAR: SIMPL
Soham Dey, Divya Oberoi, Pietro Zucca +3
The LOw Frequency ARray (LOFAR) is capable of imaging spectroscopy of the Sun in the 10-240 MHz frequency range, with high spectral, temporal, and spatial resolution. However, the…
First Robust Detection of Linear Polarization from Metric Solar Emissions: Challenging Established Paradigms
Soham Dey, Devojyoti Kansabanik, Divya Oberoi +1
Polarimetric radio observations of the Sun can provide rich information about emission mechanisms and the propagation medium. For the past five decades, solar polarimetric studies…
Observation and Modeling of Small Spatial Structures of Solar Radio Noise Storms using the uGMRT
Surajit Mondal, Peijin Zhang, Devojyoti Kansabanik +2
One of the most commonly observed solar radio sources in the metric and decametric wavelengths is the solar noise storm. These are generally associated with active regions and are…
On Using Gradient Dynamic Spectra (GraDS) to Study Type-II Solar Radio Bursts
Puja Majee, Devojyoti Kansabanik, Divya Oberoi
Solar type-II radio bursts are coherent plasma emissions arising from magnetohydrodynamic shocks produced by either coronal mass ejections (CMEs) or flares. Type-II bursts sometime…
A Formalism for Calibrating the Instrumental Polarization of Radio Interferometric Arrays at Meter Wavelengths using Unpolarized Sky: A Demonstration using the MWA Observations
Devojyoti Kansabanik, Angelos Vourlidas, Soham Dey +2
Calibration of instrumental polarization is critical for measuring polarized radio emissions from astrophysical sources to extract the magnetic field information in astrophysical,…
Unveiling Low-Frequency Eclipses in Spider MSPs using wideband GMRT Observations
Sangita Kumari, Bhaswati Bhattacharyya, Devojyoti Kansabanik +3
Eclipses of radio emission have been reported for ~ 58 spider millisecond pulsars (MSP), of which only around 19% have been extensively studied. Such studies at low frequencies are…
New Insights into Type-I Solar Noise Storms from High Angular Resolution Spectroscopic Imaging with the Upgraded Giant Metrewave Radio Telescope
Surajit Mondal, Devojyoti Kansabanik, Divya Oberoi +1
Type-I solar noise storms are perhaps the most commonly observed active radio emissions from the Sun at meter-wavelengths. Noise storms have a long-lived and wideband continuum bac…
Preparing for Heliopolarimetry using New-generation Ground-based Radio Telescopes
Devojyoti Kansabanik, Angelos Voulidas
Coronal mass ejections (CMEs) are large-scale ejections of magnetized plasma from the Sun and are associated with the most extreme space weather events. The geoeffectiveness of a C…
Unveiling frequency-dependent eclipsing in spider millisecond pulsars using broadband polarization observations with the Parkes
Sangita Kumari, Bhaswati Bhattacharyya, Rahul Sharan +6
This study presents an orbital phase-dependent analysis of three black widow spider millisecond pulsars (BW MSPs), aiming to investigate the magnetic field within the eclipse envir…
Spectropolarimetric Radio Imaging of Faint Gyrosynchrotron Emission from a CME : A Possible Indication of the Insufficiency of Homogeneous Models
Devojyoti Kansabanik, Surajit Mondal, Divya Oberoi
The geo-effectiveness of coronal mass ejections (CMEs) is determined primarily by their magnetic fields. Modeling of Gyrosynchrotron (GS) emission is a promising remote sensing tec…
First systematic study reporting the changes in eclipse cut-off frequency for pulsar J1544+4937
Sangita Kumari, Bhaswati Bhattacharyya, Rahul Sharan +3
We present results from a long-term monitoring of frequency dependent eclipses of the radio emission from PSR J1544+4937 which is a ``black widow spider'' millisecond pulsar (MSP)…
Deciphering Radio Emission from Solar Coronal Mass Ejections using High-fidelity Spectropolarimetric Radio Imaging
Devojyoti Kansabanik
Coronal mass ejections (CMEs) are large-scale expulsions of plasma and magnetic fields from the Sun into the heliosphere and are the most important driver of space weather. The geo…
A detailed study of the polarisation convention of the Giant Metrewave Radio Telescope
Poonam Chandra, S. Suresh Kumar, Sanjay Kudale +5
Our work aims to investigate the polarisation convention of the Giant Metrewave Radio Telescope (GMRT) radio telescope and understand whether the telescope follows the standard IAU…
Spectroscopic Imaging of the Sun with MeerKAT: Opening a New Frontier in Solar Physics
Devojyoti Kansabanik, Surajit Mondal, Divya Oberoi +7
Solar radio emissions provide several unique diagnostics to estimate different physical parameters of the solar corona, which are otherwise simply inaccessible. However, imaging th…
Characterizing the Spectral Structure of Weak Impulsive Narrowband Quiet Sun Emissions
Surajit Mondal, Divya Oberoi, Ayan Biswas +1
Weak Impulsive Narrowband Quiet Sun Emissions (WINQSEs) are a newly discovered class of radio emission from the solar corona. These emissions are characterized by their extremely i…
Magnetic Energy Powers the Corona: How We Can Understand its 3D Storage & Release
Amir Caspi, Daniel B. Seaton, Roberto Casini +12
The coronal magnetic field is the prime driver behind many as-yet unsolved mysteries: solar eruptions, coronal heating, and the solar wind, to name a few. It is, however, still poo…
Space Weather Research using Spectropolarimetric Radio Imaging Combined With Aditya-L1 and PUNCH Missions
Devojyoti Kansabanik, Surajit Mondal, Divya Oberoi +1
Low-frequency radio observations have been expected to serve as a powerful tool for Space Weather (SW) observations for decades. Radio observations are sensitive to a wide range of…
Deciphering Faint Gyrosynchrotron Emission from Coronal Mass Ejection using Spectro-polarimetric Radio Imaging
Devojyoti Kansabanik, Surajit Mondal, Divya Oberoi
Measurements of the plasma parameters of coronal mass ejections (CMEs), particularly the magnetic field and nonthermal electron population entrained in the CME plasma, are crucial…