RS
R. Subrahmanyan
astro-ph.IMastro-ph.COastro-phastro-ph.GAastro-ph.HEastro-ph.SRastro-ph.EP21-cm cosmologyCosmic dawncs.CE
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
W_jtgmevmj·v1published
Preprints & journals
144 papers in the corpus · 1992–2025Precise Measurement of the Absolute Sky Brightness at 60-350 MHz2509.11846v4 · Luke McKay, Ravi Subrahmanyan, Aaron Chippendale et al.2025 · 4 citationsarXiv
General Framework for Array Noise Analysis and Noise Performance of a Two-Element Interferometer With a Mutual-Coupling Canceler2504.01123v1 · Leonid Belostotski, Adrian T. Sutinjo, Ravi Subrahmanyan et al.2025 · 1 citationpp. 8059-8068, vol. 70, no. 9, September 2022
Astrophysical Constraints from the SARAS3 non-detection of the Cosmic Dawn Sky-Averaged 21-cm Signal2212.00464v1 · H. T. J. Bevins, A. Fialkov, E. de Lera Acedo et al.2022 · 55 citationsarXiv
A Comprehensive Bayesian re-analysis of the SARAS2 data from the Epoch of Reionization2201.11531v2 · H. T. J. Bevins, E. de Lera Acedo, A. Fialkov et al.2022 · 21 citationsarXiv
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
The Engineering Development Array 2: design, performance and lessons from an SKA-Low prototype station2112.00908v1 · Randall Wayth, Marcin Sokolowski, Jess Broderick et al.2021 · 20 citationsarXiv
A Floating Octave Bandwidth Cone-Disc Antenna for Detection of Cosmic Dawn2104.03522v1 · Agaram Raghunathan, Ravi Subrahmanyan, N. Udaya Shankar et al.2021 · 16 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)
SARAS CD/EoR Radiometer: Design and performance of the Digital Correlation Spectrometer2104.00582v1 · B. S. Girish, K. S. Srivani, Ravi Subrahmanyan et al.2021 · 18 citationsJournal of Astronomical Instrumentation Vol. 09, No. 02, 2050006 (2020)
Peering into the dark (ages) with low-frequency space interferometers: Using the 21-cm signal of neutral hydrogen from the infant universe to probe fundamental (Astro)physics.34511720 · Koopmans, Léon V E, Barkana, Rennan, Bentum, Mark et al.2023 · 36 citationsExperimental astronomy. 2021;51(3):1641-1676
Improving the Epoch of Reionization Power Spectrum Results from Murchison Widefield Array Season 1 Observations1909.00561v2 · N. Barry, M. Wilensky, C. M. Trott et al.2019 · 149 citationsarXiv
Peering into the Dark (Ages) with Low-Frequency Space Interferometers1908.04296v1 · Leon Koopmans (Kapteyn), Rennan Barkana (Tel-Aviv), Mark Bentum (TUE) et al.2019 · 6 citationsarXiv
Discovering the Sky at the Longest Wavelengths with Small Satellite Constellations1907.10853v1 · Xuelei Chen, Jack Burns, Leon Koopmans et al.2019 · 16 citationsarXiv
Spectral Distortions of the CMB as a Probe of Inflation, Recombination, Structure Formation and Particle Physics1903.04218v2 · J. Chluba, A. Kogut, S. P. Patil et al.2019 · 4 citationsarXiv
The redshifted 21-cm signal in the EDGES low-band spectrum1903.04540v2 · Saurabh Singh, Ravi Subrahmanyan2019 · 131 citationsarXiv
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
Assessment of ionospheric activity tolerances for Epoch of Reionisation science with the Murchison Widefield Array1809.06851v1 · Cathryn M. Trott, C. H. Jordan, S. G. Murray et al.2018 · 2 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
Relativistic inverse Compton scattering of photons from the early universe.29208996 · Malu, Siddharth, Datta, Abhirup, Colafrancesco, Sergio et al.2019 · 10 citationsScientific reports. 2017;7(1):16918
SARAS 2 constraints on global 21-cm signals from the Epoch of Reionization1711.11281v1 · Saurabh Singh, Ravi Subrahmanyan, N. Udaya Shankar et al.2017 · 103 citationsarXiv
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
What Are "X-Shaped" Radio Sources Telling Us? I. Very Large Array Imaging of a Large Sample of Low Axial Ratio Radio Sources1708.02306v1 · David H. Roberts, Lakshmi Saripalli, Kevin X. Wang et al.2017 · 21 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
Modeling the Radio Foreground for detection of CMB spectral distortions from Cosmic Dawn and Epoch of Reionization1611.04602v2 · Mayuri Sathyanarayana Rao, Ravi Subrahmanyan, N Udaya Shankar et al.2016 · 37 citations2017, ApJ, 840, 33
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
First Season MWA EoR Power Spectrum Results at Redshift 71608.06281v1 · A. P. Beardsley, B. J. Hazelton, I. S. Sullivan et al.2016 · 198 citationsarXiv
GMOSS: All-sky model of spectral radio brightness based on physical components and associated radiative processes1607.07453v2 · Mayuri Sathyanarayana Rao, Ravi Subrahmanyan, N Udaya Shankar et al.2016 · 39 citations2017, AJ, 153, 26
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
The Murchison Widefield Array 21 cm Power Spectrum Analysis Methodology1605.06978v1 · Daniel C. Jacobs, B. J. Hazelton, C. M. Trott et al.2016 · 82 citationsarXiv
A Large Scale, Low Frequency Murchison Widefield Array Survey of Galactic HII regions between 260< l <\3401605.02872v2 · L. Hindson, M. Johnston-Hollitt, N. Hurley-Walker et al.2016 · 22 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
Beamforming Errors in Murchison Widefield Array Phased Array Antennas and their effects on Epoch of Reionization Science1602.05249v1 · A. R. Neben, J. N. Hewitt, R. F. Bradley et al.2016 · 18 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
Murchison Widefield Array Observations of Anomalous Variability: A Serendipitous Night-time Detection of Interplanetary Scintillation1507.08236v1 · D. L. Kaplan, S. J. Tingay, P. K. Manoharan et al.2015 · 23 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
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