activity
19982026
most citedTopology and Polarisation of Subbeams Associated With Pulsar 0943+10's ``Drifting''-Subpulse Emission: I. Analysis of Arecibo 430- and 111-MHz Observations

220 citations · 676 across the 14 of their papers we have counts for

collaborators

14 papers

astro-ph.HE2026

Probing the morphology of the Gum Nebula through pulsar observables and a novel distance estimation method

Ashish Kumar, Avinash A. Deshpande, Pankaj Jain

Various existing models of the Gum Nebula differ significantly in their parameters and suggested origins, which can be independently tested for consistency with data on some key ob…

astro-ph.SR2016★ 29 cited

Wavelet-Based Characterization of Small-Scale Solar Emission Features at Low Radio Frequencies

Akshay Suresh, Rohit Sharma, Divya Oberoi +36

Low radio frequency solar observations using the Murchison Widefield Array have recently revealed the presence of numerous weak, short-lived and narrow-band emission features, even…

astro-ph.CO2015★ 122 cited

Empirical Covariance Modeling for 21 cm Power Spectrum Estimation: A Method Demonstration and New Limits from Early Murchison Widefield Array 128-Tile Data

Joshua S. Dillon, Abraham R. Neben, Jacqueline N. Hewitt +52

The separation of the faint cosmological background signal from bright astrophysical foregrounds remains one of the most daunting challenges of mapping the high-redshift intergalac…

astro-ph.IM2015★ 28 cited

A Digital-Receiver for the Murchison Widefield Array

Thiagaraj Prabu, K. S. Srivani, D. Anish Roshi +55

An FPGA-based digital-receiver has been developed for a low-frequency imaging radio interferometer, the Murchison Widefield Array (MWA). The MWA, located at the Murchison Radio-ast…

astro-ph.GA2014★ 44 cited

The Spectral Variability of the GHz-Peaked Spectrum Radio Source PKS 1718-649 and a Comparison of Absorption Models

S. J. Tingay, J. -P. Macquart, J. D. Collier +42

Using the new wideband capabilities of the Australia Telescope Compact Array (ATCA), we obtain spectra for PKS 1718-649, a well-known gigahertz-peaked spectrum radio source. The ob…

astro-ph.GA2014

First Look Murchison Widefield Array observations of Abell 3667

L. Hindson, M. Johnston-Hollitt, N. Hurley-Walker +51

The Murchison Widefield Array (MWA) is a new low frequency interferometric radio telescope, operating in the remote Murchison Radio Observatory in Western Australia. In this paper…