NS
N. Udaya Shankar
astro-ph.IMastro-ph.COastro-ph.GAastro-ph.HEastro-ph.SRastro-phastro-ph.EPnlin.CDphysics.opticsphysics.space-ph
On Valency
published · living versionsW_cy59q64c·v1 · currentpublished
On the detection and tracking of space debris using the Murchison Widefield Array. I. Simulations and test observations demonstrate feasibility
with S. J. Tingay, D. L. Kaplan, B. McKinley, F. Briggs +58
1 version
W_bgayh9vx·v1published
Preprints & journals
72 papers in the corpus · 1998–2025PRATUSH experiment concept and design overview2507.05654v1 · Mayuri Sathyanarayana Rao, Saurabh Singh, Srivani K S et al.2025 · 32 citationsarXiv
An SBC-based controller and processor for the laboratory model of PRATUSH Digital Receiver2507.05655v1 · Srivani K.S., Girish B.S., Mayuri Sathyanarayana Rao et al.2025 · 0 citationsarXiv
A Multi-Site Study of Radio Environment for Cosmology Experiments2504.09125v2 · Yash Agrawal, Saurabh Singh, Girish B. S. et al.2025 · 0 citationsAgrawal, Y., Singh, S., B. S., G. et al. A multi-site study of radio environment for cosmology experiments. Exp Astron 60, 22 (2025)
On the detection of a cosmic dawn signal in the radio background2112.06778v1 · Saurabh Singh, Jishnu Nambissan T., Ravi Subrahmanyan et al.2021 · 257 citationsarXiv
SARAS 3 CD/EoR Radiometer: Design and Performance of the Receiver2104.01756v1 · Jishnu Nambissan T., Ravi Subrahmanyan, R. Somashekar et al.2021 · 55 citationsExperimental Astronomy (2021)
The Murchison Widefield Array Transients Survey (MWATS). A search for low frequency variability in a bright Southern hemisphere sample1810.10152v1 · M. E. Bell, Tara Murphy, P. J. Hancock et al.2018 · 13 citationsarXiv
Comparing Redundant and Sky Model Based Interferometric Calibration: A First Look with Phase II of the MWA1807.05312v1 · W. Li, J. C. Pober, B. J. Hazelton et al.2018 · 57 citationsarXiv
Low Altitude Solar Magnetic Reconnection, Type III Solar Radio Bursts, and X-ray Emissions.29374211 · Cairns, I H, Lobzin, V V, Donea, A et al.2018 · 54 citationsScientific reports. 2018;8(1):1676
SARAS 2: A Spectral Radiometer for probing Cosmic Dawn and the Epoch of Reionization through detection of the global 21 cm signal1710.01101v1 · Saurabh Singh, Ravi Subrahmanyan, N. Udaya Shankar et al.2017 · 97 citationsarXiv
First results on the Epoch of Reionization from First Light with SARAS 21703.06647v2 · Saurabh Singh, Ravi Subrahmanyan, N. Udaya Shankar et al.2017 · 120 citationsarXiv
Spectral energy distribution and radio halo of NGC 253 at low radio frequencies1702.02434v2 · A.D. Kapinska, L. Staveley-Smith, R. Crocker et al.2017 · 35 citationsarXiv
A Matched Filter Technique For Slow Radio Transient Detection And First Demonstration With The Murchison Widefield Array1701.03557v1 · L. Feng, R. Vaulin, J. N. Hewitt et al.2017 · 11 citationsarXiv
Wavelet-Based Characterization of Small-Scale Solar Emission Features at Low Radio Frequencies1612.01016v2 · Akshay Suresh, Rohit Sharma, Divya Oberoi et al.2016 · 32 citationsarXiv
GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey I: A low-frequency extragalactic catalogue1610.08318v1 · Natasha Hurley-Walker, Joseph R. Callingham, Paul J. Hancock et al.2016 · 537 citationsarXiv
Delay Spectrum with Phase-Tracking Arrays: Extracting the HI power spectrum from the Epoch of Reionization1610.07003v1 · Sourabh Paul, Shiv K. Sethi, Miguel F. Morales et al.2016 · 19 citationsApJ, 2016, 833, 2, 213
Low frequency observations of linearly polarized structures in the interstellar medium near the south Galactic pole1607.05779v2 · Emil Lenc, B. M. Gaensler, X. H. Sun et al.2016 · 81 citationsarXiv
A High Reliability Survey of Discrete Epoch of Reionization Foreground Sources in the MWA EoR0 Field1607.03861v1 · P. A. Carroll, J. Line, M. F. Morales et al.2016 · 30 citationsarXiv
The radio spectral energy distribution of infrared-faint radio sources1607.02707v1 · A. Herzog, R. P. Norris, E. Middelberg et al.2016 · 11 citationsA&A 593, A130 (2016)
Time-domain and spectral properties of pulsars at 154 MHz1605.09100v1 · M. E. Bell, Tara Murphy, S. Johnston et al.2016 · 33 citationsarXiv
First Limits on the 21 cm Power Spectrum during the Epoch of X-ray heating1605.00016v2 · A. Ewall-Wice, Joshua S. Dillon, J. N. Hewitt et al.2016 · 110 citationsarXiv
The 154 MHz radio sky observed by the Murchison Widefield Array: noise, confusion and first source count analyses1604.03751v1 · T. M. O. Franzen, C. A. Jackson, A. R. Offringa et al.2016 · 57 citationsarXiv
High-energy sources at low radio frequency: the Murchison Widefield Array view of Fermi blazars1602.08869v1 · M. Giroletti, F. Massaro, R. D'Abrusco et al.2016 · 38 citationsarXiv
Limits on Fast Radio Bursts and other transient sources at 182 MHz using the Murchison Widefield Array1602.07544v1 · A. Rowlinson, M. E. Bell, T. Murphy et al.2016 · 79 citationsarXiv
Parametrising Epoch of Reionization foregrounds: A deep survey of low-frequency point-source spectra with the MWA1602.02247v1 · A. R. Offringa, C. M. Trott, N. Hurley-Walker et al.2016 · 74 citationsarXiv
The Importance of Wide-field Foreground Removal for 21 cm Cosmology: A Demonstration With Early MWA Epoch of Reionization Observations1601.06177v1 · J. C. Pober, B. J. Hazelton, A. P. Beardsley et al.2016 · 94 citationsarXiv
CHIPS: The Cosmological HI Power Spectrum Estimator1601.02073v1 · Cathryn M. Trott, Bart Pindor, Pietro Procopio et al.2016 · 123 citationsarXiv
A search for Fast Radio Bursts at low frequencies with Murchison Widefield Array high time resolution imaging1511.02985v1 · S.J. Tingay, C.M. Trott, R.B. Wayth et al.2015 · 55 citationsarXiv
Quantifying ionospheric effects on time-domain astrophysics with the Murchison Widefield Array1508.00965v1 · Shyeh Tjing Loi, Tara Murphy, Martin E. Bell et al.2015 · 25 citationsarXiv
Broadband Spectral Modeling of the Extreme Gigahertz-Peaked Spectrum Radio Source PKS B0008-4211507.04819v1 · J. R. Callingham, B. M. Gaensler, R. D. Ekers et al.2015 · 88 citationsarXiv
Ionospheric modelling using GPS to calibrate the MWA. 1: Comparison of first order ionospheric effects between GPS models and MWA observations1507.01184v1 · B. S. Arora, J. Morgan, S. M. Ord et al.2015 · 17 citationsarXiv
Confirmation of Wide-Field Signatures in Redshifted 21 cm Power Spectra1506.06150v2 · Nithyanandan Thyagarajan, Daniel C. Jacobs, Judd D. Bowman et al.2015 · 95 citationsarXiv
Power spectrum analysis of ionospheric fluctuations with the Murchison Widefield Array1506.01798v1 · Shyeh Tjing Loi, Cathryn M. Trott, Tara Murphy et al.2015 · 37 citationsarXiv
Empirical Covariance Modeling for 21 cm Power Spectrum Estimation: A Method Demonstration and New Limits from Early Murchison Widefield Array 128-Tile Data1506.01026v1 · Joshua S. Dillon, Abraham R. Neben, Jacqueline N. Hewitt et al.2015 · 122 citationsPhys. Rev. D 91, 123011 (19 June 2015)
An analysis of the halo and relic radio emission from Abell 3376 from Murchison Widefield Array observations1506.00451v1 · Lijo T. George, K. S. Dwarakanath, M. Johnston-Hollitt et al.2015 · 17 citationsarXiv
Measuring Phased-Array Antenna Beampatterns with High Dynamic Range for the Murchison Widefield Array using 137 MHz ORBCOMM Satellites1505.07114v1 · A. R. Neben, R. F. Bradley, J. N. Hewitt et al.2015 · 55 citationsarXiv
On the detection of global 21-cm signal from Reionization using interferometers1505.02491v2 · Saurabh Singh, Ravi Subrahmanyan, N. Udaya Shankar et al.2015 · 29 citationsarXiv
Foregrounds in Wide-Field Redshifted 21 cm Power Spectra1502.07596v2 · Nithyanandan Thyagarajan, Daniel C. Jacobs, Judd D. Bowman et al.2015 · 164 citationsarXiv
On the detection of spectral ripples from the Recombination Epoch1501.07191v1 · Mayuri Sathyanarayana Rao, Ravi Subrahmanyan, N Udaya Shankar et al.2015 · 60 citationsarXiv
The High Time and Frequency Resolution Capabilities of the Murchison Widefield Array1501.05723v1 · S.E. Tremblay, S.M. Ord, N.D.R. Bhat et al.2015 · 62 citationsarXiv
All-sky signals from recombination to reionization with the SKA1501.04340v1 · Ravi Subrahmanyan, N. Udaya Shankar, Jonathan Pritchard et al.2015 · 0 citationsarXiv
The low-frequency environment of the Murchison Widefield Array: radio-frequency interference analysis and mitigation1501.03946v1 · A. R. Offringa, R. B. Wayth, N. Hurley-Walker et al.2015 · 158 citationsarXiv
Modelling of the Spectral Energy Distribution of Fornax A: Leptonic and Hadronic Production of High Energy Emission from the Radio Lobes1411.1487v1 · B. McKinley, R. Yang, M. L'opez-Caniego et al.2014 · 50 citationsarXiv
Limits on low frequency radio emission from southern exoplanets with the Murchison Widefield Array1410.6819v2 · Tara Murphy, Martin E. Bell, David L. Kaplan et al.2014 · 54 citationsarXiv
The first Murchison Widefield Array low frequency radio observations of cluster scale non-thermal emission: the case of Abell 36671408.3167v1 · L. Hindson, M. Johnston-Hollitt, N. Hurley-Walker et al.2014 · 41 citationsarXiv
Study of Redshifted HI from the Epoch of Reionization with Drift scan1407.4620v1 · Sourabh Paul, Shiv K. Sethi, Ravi Subrahmanyan et al.2014 · 10 citations2014 ApJ 793 28
The low-frequency characteristics of PSR J0437-4715 observed with the Murchison Widefield Array1407.4745v1 · N. D. Ramesh Bhat, S.M. Ord, S.E. Tremblay et al.2014 · 22 citationsarXiv
WSClean: an implementation of a fast, generic wide-field imager for radio astronomy1407.1943v1 · A. R. Offringa, B. McKinley, N. Hurley-Walker et al.2014 · 927 citationsarXiv
A Resistive Wideband Space Beam Splitter1406.2585v2 · Nivedita Mahesh, Ravi Subrahmanyan, N. Udaya Shankar et al.2014 · 9 citationsarXiv
Observing the Sun with the Murchison Widefield Array1403.6250v1 · D. Oberoi, R. Sharma, S. Bhatnagar et al.2014 · 6 citationsarXiv
A survey for transients and variables with the Murchison Widefield Array 32-tile prototype at 154 MHz1311.2989v1 · M. E. Bell, T. Murphy, D. L. Kaplan et al.2013 · 67 citationsarXiv
Career total: 135 works. 72 are in this corpus.Showing the 50 most recent.
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