Items where Author is "Subrahmanyan, Ravi"

Article

Raghunathan, Agaram ; Subrahmanyan, Ravi ; Shankar, N. Udaya ; Singh, Saurabh ; Nambissan, Jishnu ; Kavitha, K. ; Mahesh, Nivedita ; Somashekar, R. ; Sindhu, Gaddam ; Girish, B. S. ; Srivani, K. S. ; Rao, Mayuri S. (2021) A Floating Octave Bandwidth Cone-Disk Antenna for Detection of Cosmic Dawn IEEE Transactions on Antennas and Propagation, 69 (10). pp. 6209-6217. ISSN 0018-926X

T., Jishnu Nambissan ; Subrahmanyan, Ravi ; Somashekar, R. ; Shankar, N. Udaya ; Singh, Saurabh ; Raghunathan, A. ; Girish, B. S. ; Srivani, K. S. ; Rao, Mayuri Sathyanarayana (2021) SARAS 3 CD/EoR radiometer: design and performance of the receiver Experimental Astronomy, 51 (2). pp. 193-234. ISSN 0922-6435

Girish, B. S. ; Srivani, K. S. ; Subrahmanyan, Ravi ; Udaya Shankar, N. ; Singh, Saurabh ; Jishnu Nambissan, T. ; Sathyanarayana Rao, Mayuri ; Somashekar, R. ; Raghunathan, A. (2020) SARAS CD/EoR Radiometer: Design and Performance of the Digital Correlation Spectrometer Journal of Astronomical Instrumentation, 09 (02). p. 2050006. ISSN 2251-1717

Singh, Saurabh ; Subrahmanyan, Ravi (2019) The Redshifted 21 cm Signal in the EDGES Low-band Spectrum The Astrophysical Journal, 880 (1). p. 26. ISSN 1538-4357

Roberts, David H. ; Saripalli, Lakshmi ; Wang, Kevin X. ; Rao, Mayuri Sathyanarayana ; Subrahmanyan, Ravi ; KleinStern, Carly C. ; Morii-Sciolla, Christopher Y. ; Simpson, Liana (2018) What are “X-shaped” radio sources telling us? I. Very large array imaging of a large sample of candidate XRGs The Astrophysical Journal, 852 (1). Article ID 47. ISSN 0004-637X

Singh, Saurabh ; Subrahmanyan, Ravi ; Shankar, N. Udaya ; Rao, Mayuri Sathyanarayana ; Fialkov, Anastasia ; Cohen, Aviad ; Barkana, Rennan ; Girish, B. S. ; Raghunathan, A. ; Somashekar, R. ; Srivani, K. S. (2017) First Results on the Epoch of Reionization from first light with SARAS 2 The Astrophysical Journal, 845 (2). Article ID L12. ISSN 0004-637X

Sathyanarayana Rao, Mayuri ; Subrahmanyan, Ravi ; Udaya Shankar, N. ; Chluba, Jens (2017) Modeling the radio foreground for detection of CMB spectral distortions from the cosmic dawn and the Epoch of Reionization The Astrophysical Journal, 840 (1). Article ID 33. ISSN 0004-637X

Malu, Siddharth ; Datta, Abhirup ; Colafrancesco, Sergio ; Marchegiani, Paolo ; Subrahmanyan, Ravi ; Narasimha, D. ; Wieringa, Mark H. (2017) Relativistic inverse Compton scattering of photons from the early universe Scientific Reports, 7 (1). pp. Article ID 16918-6 pages. ISSN 2045-2322

Rao, Mayuri Sathyanarayana ; Subrahmanyan, Ravi ; Udaya Shankar, N. ; Chluba, Jens (2016) GMOSS: All-sky model of spectral radio brightness based on physical components and associated radiative processes The Astronomical Journal, 153 (1). pp. Article ID 26-12 pages. ISSN 0004-6256

Paul, Sourabh ; Sethi, Shiv K. ; Morales, Miguel F. ; Dwarkanath, K. S. ; Shankar, N. Udaya ; Subrahmanyan, Ravi ; Barry, N. ; Beardsley, A. P. ; Bowman, Judd D. ; Briggs, F. ; Carroll, P. ; de Oliveira-Costa, A. ; Dillon, Joshua S. ; Ewall-Wice, A. ; Feng, L. ; Greenhill, L. J. ; Gaensler, B. M. ; Hazelton, B. J. ; Hewitt, J. N. ; Hurley-Walker, N. ; Jacobs, D. J. ; Kim, Han-Seek ; Kittiwisit, P. ; Lenc, E. ; Line, J. ; Loeb, A. ; McKinley, B. ; Mitchell, D. A. ; Neben, A. R. ; Offringa, A. R. ; Pindor, B. ; Pober, J. C. ; Procopio, P. ; Riding, J. ; Sullivan, I. S. ; Tegmark, M. ; Thyagarajan, Nithyanandan ; Tingay, S. J. ; Trott, C. M. ; Wayth, R. B. ; Webster, R. L. ; Wyithe, J. S. B. ; Cappallo, Roger ; Johnston-Hollitt, M. ; Kaplan, D. L. ; Lonsdale, C. J. ; McWhirter, S. R. ; Morgan, E. ; Oberoi, D. ; Ord, S. M. ; Prabu, T. ; Srivani, K. S. ; Williams, A. ; Williams, C. L. (2016) Delay spectrum with phase-tracking arrays: extracting the H I power spectrum from the Epoch of Reionization The Astrophysical Journal, 833 (2). pp. Article ID 213-16 pages. ISSN 0004-637X

Paul, Sourabh ; Sethi, Shiv K. ; Morales, Miguel F. ; Dwarkanath, K. S. ; Shankar, N. Udaya ; Subrahmanyan, Ravi ; Barry, N. ; Beardsley, A. P. ; Bowman, Judd D. ; Briggs, F. ; Carroll, P. ; de Oliveira-Costa, A. ; Dillon, Joshua S. ; Ewall-Wice, A. ; Feng, L. ; Greenhill, L. J. ; Gaensler, B. M. ; Hazelton, B. J. ; Hewitt, J. N. ; Hurley-Walker, N. ; Jacobs, D. J. ; Kim, Han-Seek ; Kittiwisit, P. ; Lenc, E. ; Line, J. ; Loeb, A. ; McKinley, B. ; Mitchell, D. A. ; Neben, A. R. ; Offringa, A. R. ; Pindor, B. ; Pober, J. C. ; Procopio, P. ; Riding, J. ; Sullivan, I. S. ; Tegmark, M. ; Thyagarajan, Nithyanandan ; Tingay, S. J. ; Trott, C. M. ; Wayth, R. B. ; Webster, R. L. ; Wyithe, J. S. B. ; Cappallo, Roger ; Johnston-Hollitt, M. ; Kaplan, D. L. ; Lonsdale, C. J. ; McWhirter, S. R. ; Morgan, E. ; Oberoi, D. ; Ord, S. M. ; Prabu, T. ; Srivani, K. S. ; Williams, A. ; Williams, C. L. (2016) Delay spectrum with phase-tracking arrays: extracting the HI power spectrum from the Epoch of Reionization The Astrophysical Journal, 833 (2). p. 213. ISSN 0004-637X

Sathyanarayana Rao, Mayuri ; Subrahmanyan, Ravi ; Udaya Shankar, N. ; Chluba, Jens (2015) On the detection of spectral ripples from the recombination epoch The Astrophysical Journal, 810 (1). pp. Article ID 3-9 pages. ISSN 0004-637X

Mahesh, Nivedita ; Subrahmanyan, Ravi ; Udaya Shankar, N. ; Raghunathan, Agaram (2015) A wideband resistive beam-splitter screen IEEE Transactions on Antennas and Propagation, 63 (11). pp. 4835-4847. ISSN 0018-926X

Roberts, David H. ; Cohen, Jake P. ; Lu, Jing ; Saripalli, Lakshmi ; Subrahmanyan, Ravi (2015) The abundance of X-shaped radio sources. I. VLA survey of 52 sources with off-axis distortions The Astrophysical Journal Supplement Series, 220 (1). pp. Article ID 7-32 pages. ISSN 0067-0049

Roberts, David H. ; Saripalli, Lakshmi ; Subrahmanyan, Ravi (2015) X-shaped radio galaxies and the nanohertz gravitational wave background Proceedings of the International Astronomical Union, 11 (A29B). pp. 319-320. ISSN 1743-9213

Hurley-Walker, Natasha ; Johnston-Hollitt, Melanie ; Ekers, Ron ; Hunstead, Richard ; Sadler, Elaine M. ; Hindson, Luke ; Hancock, Paul ; Bernardi, Gianni ; Bowman, Judd D. ; Briggs, Frank ; Cappallo, Roger ; Corey, Brian ; Deshpande, Avinash A. ; Emrich, David ; Gaensler, Bryan M. ; Goeke, Robert ; Greenhill, Lincoln ; Hazelton, Bryna J. ; Hewitt, Jacqueline ; Kaplan, David L. ; Kasper, Justin ; Kratzenberg, Eric ; Lonsdale, Colin ; Lynch, Mervyn ; Mitchell, Daniel ; McWhirter, Russell ; Morales, Miguel ; Morgan, Edward ; Oberoi, Divya ; Offringa, André ; Ord, Stephen ; Prabu, Thiagaraj ; Rogers, Alan ; Roshi, Anish ; Shankar, Udaya ; Srivani, K. ; Subrahmanyan, Ravi ; Tingay, Steven ; Waterson, Mark ; Wayth, Randall B. ; Webster, Rachel ; Whitney, Alan ; Williams, Andrew ; Williams, Chris (2015) Serendipitous discovery of a dying Giant Radio Galaxy associated with NGC 1534, using the Murchison Widefield Array Monthly Notices of the Royal Astronomical Society, 447 (3). pp. 2468-2478. ISSN 0035-8711

Prabu, Thiagaraj ; Srivani, K. S. ; Roshi, D. Anish ; Kamini, P. A. ; Madhavi, S. ; Emrich, David ; Crosse, Brian ; Williams, Andrew J. ; Waterson, Mark ; Deshpande, Avinash A. ; Udaya Shankar, N. ; Subrahmanyan, Ravi ; Briggs, Frank H. ; Goeke, Robert F. ; Tingay, Steven J. ; Johnston-Hollitt, Melanie ; R, Gopalakrishna M ; Morgan, Edward H. ; Pathikulangara, Joseph ; Bunton, John D. ; Hampson, Grant ; Williams, Christopher ; Ord, Stephen M. ; Wayth, Randall B. ; Kumar, Deepak ; Morales, Miguel F. ; deSouza, Ludi ; Kratzenberg, Eric ; Pallot, D. ; McWhirter, Russell ; Hazelton, Bryna J. ; Arcus, Wayne ; Barnes, David G. ; Bernardi, Gianni ; Booler, T. ; Bowman, Judd D. ; Cappallo, Roger J. ; Corey, Brian E. ; Greenhill, Lincoln J. ; Herne, David ; Hewitt, Jacqueline N. ; Kaplan, David L. ; Kasper, Justin C. ; Kincaid, Barton B. ; Koenig, Ronald ; Lonsdale, Colin J. ; Lynch, Mervyn J. ; Mitchell, Daniel A. ; Oberoi, Divya ; Remillard, Ronald A. ; Rogers, Alan E. ; Salah, Joseph E. ; Sault, Robert J. ; Stevens, Jamie B. ; Tremblay, S. ; Webster, Rachel L. ; Whitney, Alan R. ; Wyithe, Stuart B. (2015) A digital-receiver for the Murchison Widefield Array Experimental Astronomy, 39 (1). pp. 73-93. ISSN 0922-6435

Singh, Saurabh ; Subrahmanyan, Ravi ; Udaya Shankar, N. ; Raghunathan, A. (2015) On the detection of global 21-cm signal from reionization using interferometers The Astrophysical Journal, 815 (2). pp. Article ID 88-9 pages. ISSN 0004-637X

Patra, Nipanjana ; Subrahmanyan, Ravi ; Sethi, Shiv ; Udaya Shankar, N. ; Raghunathan, A. (2015) SARAS measurement of the radio background at long wavelengths The Astrophysical Journal, 801 (2). pp. Article ID 138-12 pages. ISSN 0004-637X

Roberts, David H. ; Saripalli, Lakshmi ; Subrahmanyan, Ravi (2015) The abundance of X-shaped radio sources: implications for the gravitational wave background The Astrophysical Journal, 810 (1). L6. ISSN 0004-637X

Paul, Sourabh ; Sethi, Shiv K. ; Subrahmanyan, Ravi ; Shankar, N. Udaya ; Dwarakanath, K. S. ; Deshpande, Avinash A. ; Bernardi, Gianni ; Bowman, Judd D. ; Briggs, Frank ; Cappallo, Roger J. ; Corey, Brian E. ; Emrich, David ; Gaensler, Bryan M. ; Goeke, Robert F. ; Greenhill, Lincoln J. ; Hazelton, Bryna J. ; Hewitt, Jacqueline N. ; Johnston-Hollitt, Melanie ; Kaplan, David L. ; Kasper, Justin C. ; Kratzenberg, Eric ; Lonsdale, Colin J. ; Lynch, Mervyn J. ; McWhirter, S. Russell ; Mitchell, Daniel A. ; Morales, Miguel F. ; Morgan, Edward H. ; Oberoi, Divya ; Ord, Stephen M. ; Prabu, Thiagaraj ; Rogers, Alan E. E. ; Roshi, Anish A. ; Srivani, K. S. ; Tingay, Steven J. ; Wayth, Randall B. ; Waterson, Mark ; Webster, Rachel L. ; Whitney, Alan R. ; Williams, Andrew J. ; Williams, Christopher L. (2014) Study of redshifted H I from the Epoch of Reionization with drift scan The Astrophysical Journal, 793 (1). pp. Article ID 28-13 pages. ISSN 0004-637X

Hurley-Walker, Natasha ; Morgan, John ; Wayth, Randall B. ; Hancock, Paul J. ; Bell, Martin E. ; Bernardi, Gianni ; Bhat, Ramesh ; Briggs, Frank ; Deshpande, Avinash A. ; Ewall-Wice, Aaron ; Feng, Lu ; Hazelton, Bryna J. ; Hindson, Luke ; Jacobs, Daniel C. ; Kaplan, David L. ; Kudryavtseva, Nadia ; Lenc, Emil ; McKinley, Benjamin ; Mitchell, Daniel ; Pindor, Bart ; Procopio, Pietro ; Oberoi, Divya ; Offringa, André ; Ord, Stephen ; Riding, Jennifer ; Bowman, Judd D. ; Cappallo, Roger ; Corey, Brian ; Emrich, David ; Gaensler, B. M. ; Goeke, Robert ; Greenhill, Lincoln ; Hewitt, Jacqueline ; Johnston-Hollitt, Melanie ; Kasper, Justin ; Kratzenberg, Eric ; Lonsdale, Colin ; Lynch, Mervyn ; McWhirter, Russell ; Morales, Miguel F. ; Morgan, Edward ; Prabu, Thiagaraj ; Rogers, Alan ; Roshi, Anish ; Shankar, Udaya ; Srivani, K. ; Subrahmanyan, Ravi ; Tingay, Steven ; Waterson, Mark ; Webster, Rachel ; Whitney, Alan ; Williams, Andrew ; Williams, Chris (2014) The Murchison Widefield Array Commissioning Survey: A low-frequency catalogue of 14 110 compact radio sources over 6 100 square degrees Publications of the Astronomical Society of Australia, 31 . Article ID e045. ISSN 1323-3580

Subrahmanyan, Ravi ; Cowsik, Ramanath (2013) Is there an unaccounted for excess in the extragalactic cosmic radio background? The Astrophysical Journal, 776 (1). pp. Article ID 42-8 pages. ISSN 0004-637X

Patra, Nipanjana ; Subrahmanyan, Ravi ; Raghunathan, A. ; Udaya Shankar, N. (2013) SARAS: a precision system for measurement of the cosmic radio background and signatures from the epoch of reionization Experimental Astronomy, 36 (1-2). pp. 319-370. ISSN 0922-6435

Raghunathan, Agaram ; Udaya Shankar, N. ; Subrahmanyan, Ravi (2013) An octave bandwidth frequency independent dipole antenna IEEE Transactions on Antennas and Propagation, 61 (7). pp. 3411-3419. ISSN 0018-926X

Subrahmanyan, Ravi ; Cowsik, Ramanath (2013) IS THERE AN UNACCOUNTED FOR EXCESS IN THE EXTRAGALACTIC COSMIC RADIO BACKGROUND? The Astrophysical Journal, 776 (1). p. 42. ISSN 0004-637X

Bowman, Judd D. ; Cairns, Iver ; Kaplan, David L. ; Murphy, Tara ; Oberoi, Divya ; Staveley-Smith, Lister ; Arcus, Wayne ; Barnes, David G. ; Bernardi, Gianni ; Briggs, Frank H. ; Brown, Shea ; Bunton, John D. ; Burgasser, Adam J. ; Cappallo, Roger J. ; Chatterjee, Shami ; Corey, Brian E. ; Coster, Anthea ; Deshpande, Avinash ; deSouza, Ludi ; Emrich, David ; Erickson, Philip ; Goeke, Robert F. ; Gaensler, B. M. ; Greenhill, Lincoln J. ; Harvey-Smith, Lisa ; Hazelton, Bryna J. ; Herne, David ; Hewitt, Jacqueline N. ; Johnston-Hollitt, Melanie ; Kasper, Justin C. ; Kincaid, Barton B. ; Koenig, Ronald ; Kratzenberg, Eric ; Lonsdale, Colin J. ; Lynch, Mervyn J. ; Matthews, Lynn D. ; McWhirter, S. Russell ; Mitchell, Daniel A. ; Morales, Miguel F. ; Morgan, Edward H. ; Ord, Stephen M. ; Pathikulangara, Joseph ; Prabu, Thiagaraj ; Remillard, Ronald A. ; Robishaw, Timothy ; Rogers, Alan E. E. ; Roshi, Anish A. ; Salah, Joseph E. ; Sault, Robert J. ; Shankar, N. Udaya ; Srivani, K. S. ; Stevens, Jamie B. ; Subrahmanyan, Ravi ; Tingay, Steven J. ; Wayth, Randall B. ; Waterson, Mark ; Webster, Rachel L. ; Whitney, Alan R. ; Williams, Andrew J. ; Williams, Christopher L. ; Wyithe, J. Stuart B. (2013) Science with the Murchison Widefield Array Publications of the Astronomical Society of Australia, 30 . pp. Article ID e031-28 pages. ISSN 1323-3580

Thyagarajan, Nithyanandan ; Udaya Shankar, N. ; Subrahmanyan, Ravi ; Arcus, Wayne ; Bernardi, Gianni ; Bowman, Judd D. ; Briggs, Frank ; Bunton, John D. ; Cappallo, Roger J. ; Corey, Brian E. ; deSouza, Ludi ; Emrich, David ; Gaensler, Bryan M. ; Goeke, Robert F. ; Greenhill, Lincoln J. ; Hazelton, Bryna J. ; Herne, David ; Hewitt, Jacqueline N. ; Johnston-Hollitt, Melanie ; Kaplan, David L. ; Kasper, Justin C. ; Kincaid, Barton B. ; Koenig, Ronald ; Kratzenberg, Eric ; Lonsdale, Colin J. ; Lynch, Mervyn J. ; McWhirter, S. Russell ; Mitchell, Daniel A. ; Morales, Miguel F. ; Morgan, Edward H. ; Oberoi, Divya ; Ord, Stephen M. ; Pathikulangara, Joseph ; Remillard, Ronald A. ; Rogers, Alan E. E. ; Roshi, D. Anish ; Salah, Joseph E. ; Sault, Robert J. ; Srivani, K. S. ; Stevens, Jamie B. ; Thiagaraj, Prabu ; Tingay, Steven J. ; Wayth, Randall B. ; Waterson, Mark ; Webster, Rachel L. ; Whitney, Alan R. ; Williams, Andrew J. ; Williams, Christopher L. ; Wyithe, J. Stuart B. (2013) A study of fundamental limitations to statistical detection of redshifted H I from the Epoch of Reionization The Astrophysical Journal, 776 (1). pp. Article ID 6-17 pages. ISSN 0004-637X

Williams, Christopher L. ; Hewitt, Jacqueline N. ; Levine, Alan M. ; de Oliveira-Costa, Angelica ; Bowman, Judd D. ; Briggs, Frank H. ; Gaensler, B. M. ; Hernquist, Lars L. ; Mitchell, Daniel A. ; Morales, Miguel F. ; Sethi, Shiv K. ; Subrahmanyan, Ravi ; Sadler, Elaine M. ; Arcus, Wayne ; Barnes, David G. ; Bernardi, Gianni ; Bunton, John D. ; Cappallo, Roger C. ; Crosse, Brian W. ; Corey, Brian E. ; Deshpande, Avinash ; deSouza, Ludi ; Emrich, David ; Goeke, Robert F. ; Greenhill, Lincoln J. ; Hazelton, Bryna J. ; Herne, David ; Kaplan, David L. ; Kasper, Justin C. ; Kincaid, Barton B. ; Koenig, Ronald ; Kratzenberg, Eric ; Lonsdale, Colin J. ; Lynch, Mervyn J. ; McWhirter, S. Russell ; Morgan, Edward H. ; Oberoi, Divya ; Ord, Stephen M. ; Pathikulangara, Joseph ; Prabu, Thiagaraj ; Remillard, Ronald A. ; Rogers, Alan E. E. ; Roshi, D. Anish ; Salah, Joseph E. ; Sault, Robert J. ; Shankar, N. Udaya ; Srivani, K. S. ; Stevens, Jamie B. ; Tingay, Steven J. ; Wayth, Randall B. ; Waterson, Mark ; Webster, Rachel L. ; Whitney, Alan R. ; Williams, Andrew J. ; Wyithe, J. Stuart B. (2012) Low-frequency imaging of fields at high galactic latitude with the Murchison Widefield Array 32 element prototype The Astrophysical Journal, 755 (1). pp. Article ID 47-19 pages. ISSN 0004-637X

Vedantham, Harish ; Udaya Shankar, N. ; Subrahmanyan, Ravi (2012) Imaging the Epoch of Reionization: limitations from foreground confusion and imaging algorithms The Astrophysical Journal, 745 (2). pp. Article ID 176-12 pages. ISSN 0004-637X

Malu, Siddharth S. ; Subrahmanyan, Ravi (2011) 18 GHz SZ measurements of the bullet cluster Journal of Astrophysics and Astronomy, 32 (4). pp. 541-544. ISSN 0250-6335

Hancock, Paul Jacob ; Roberts, Paul ; Kesteven, Michael J. ; Ekers, Ronald D. ; Sadler, Elaine M. ; Murphy, Tara ; Massardi, Marcella ; Ricci, Roberto ; Calabretta, Mark ; de Zotti, Gianfranco ; Edwards, Philip G. ; Ekers, Jennifer A. ; Jackson, Carole A. ; Leach, Mark ; Phillips, Chris ; Sault, Robert J. ; Staveley-Smith, Lister ; Subrahmanyan, Ravi ; Walker, Mark A. ; Wilson, Warwick E. (2011) The Australia telescope 20 GHz survey: hardware, observing strategy and scanning survey catalog Experimental Astronomy, 32 (2). pp. 147-177. ISSN 0922-6435

Massardi, Marcella ; Ekers, Ronald D. ; Murphy, Tara ; Mahony, Elizabeth ; Hancock, Paul J. ; Chhetri, Rajan ; De Zotti, Gianfranco ; Sadler, Elaine M. ; Burke-Spolaor, Sarah ; Calabretta, Mark ; Edwards, Philip G. ; Ekers, Jennifer A. ; Jackson, Carole A. ; Kesteven, Michael J. ; Newton-McGee, Katherine ; Phillips, Chris ; Ricci, Roberto ; Roberts, Paul ; Sault, Robert J. ; Staveley-Smith, Lister ; Subrahmanyan, Ravi ; Walker, Mark A. ; Wilson, Warwick E. (2011) The Australia Telescope 20 GHz (AT20G) Survey: analysis of the extragalactic source sample Monthly Notices of the Royal Astronomical Society, 412 (1). pp. 318-330. ISSN 0035-8711

Oberoi, Divya ; Matthews, Lynn D. ; Cairns, Iver H. ; Emrich, David ; Lobzin, Vasili ; Lonsdale, Colin J. ; Morgan, Edward H. ; Prabu, T. ; Vedantham, Harish ; Wayth, Randall B. ; Williams, Andrew ; Williams, Christopher ; White, Stephen M. ; Allen, G. ; Arcus, Wayne ; Barnes, David ; Benkevitch, Leonid ; Bernardi, Gianni ; Bowman, Judd D. ; Briggs, Frank H. ; Bunton, John D. ; Burns, Steve ; Cappallo, Roger C. ; Clark, M. A. ; Corey, Brian E. ; Dawson, M. ; DeBoer, David ; De Gans, A. ; deSouza, Ludi ; Derome, Mark ; Edgar, R. G. ; Elton, T. ; Goeke, Robert ; Gopalakrishna, M. R. ; Greenhill, Lincoln J. ; Hazelton, Bryna ; Herne, David ; Hewitt, Jacqueline N. ; Kamini, P. A. ; Kaplan, David L. ; Kasper, Justin C. ; Kennedy, Rachel ; Kincaid, Barton B. ; Kocz, Jonathan ; Koeing, R. ; Kowald, Errol ; Lynch, Mervyn J. ; Madhavi, S. ; McWhirter, Stephen R. ; Mitchell, Daniel A. ; Morales, Miguel F. ; Ng, A. ; Ord, Stephen M. ; Pathikulangara, Joseph ; Rogers, Alan E. E. ; Roshi, Anish ; Salah, Joseph E. ; Sault, Robert J. ; Schinckel, Antony ; Udaya Shankar, N. ; Srivani, K. S. ; Stevens, Jamie ; Subrahmanyan, Ravi ; Thakkar, D. ; Tingay, Steven J. ; Tuthill, J. ; Vaccarella, Annino ; Waterson, Mark ; Webster, Rachel L. ; Whitney, Alan R. (2011) First spectroscopic imaging observations of the sun at low radio frequencies with the Murchison Widefield Array Prototype The Astrophysical Journal, 728 (2). pp. Article ID L27-7 pages. ISSN 0004-637X

Murphy, Tara ; Sadler, Elaine M. ; Ekers, Ronald D. ; Massardi, Marcella ; Hancock, Paul J. ; Mahony, Elizabeth ; Ricci, Roberto ; Burke-Spolaor, Sarah ; Calabretta, Mark ; Chhetri, Rajan ; De Zotti, Gianfranco ; Edwards, Philip G. ; Ekers, Jennifer A. ; Jackson, Carole A. ; Kesteven, Michael J. ; Lindley, Emma ; Newton-McGee, Katherine ; Phillips, Chris ; Roberts, Paul ; Sault, Robert J. ; Staveley-Smith, Lister ; Subrahmanyan, Ravi ; Walker, Mark A. ; Wilson, Warwick E. (2010) The Australia Telescope 20 GHz survey: the source catalogue Monthly Notices of the Royal Astronomical Society, 402 (4). pp. 2403-2423. ISSN 0035-8711

Subrahmanyan, Ravi (2009) Timing recovery for IEEE 1588 applications in telecommunications IEEE Transactions on Instrumentation and Measurement, 58 (6). pp. 1858-1868. ISSN 0018-9456

Saripalli, Lakshmi ; Subrahmanyan, Ravi (2009) The genesis of morphologies in extended radio sources: X-shapes, off-axis distortions and giant radio sources The Astrophysical Journal, 695 (1). pp. 156-170. ISSN 0004-637X

Subrahmanyan, Ravi ; Saripalli, Lakshmi ; Safouris, Vicky ; Hunstead, Richard W. (2008) On the relationship between a giant radio galaxy MSH 05‐22 and the ambient large‐scale galaxy structure The Astrophysical Journal, 677 (1). pp. 63-78. ISSN 0004-637X

Massardi, Marcella ; Ekers, Ronald D. ; Murphy, Tara ; Ricci, Roberto ; Sadler, Elaine M. ; Burke, Sarah ; De Zotti, Gianfranco ; Edwards, Philip G. ; Hancock, Paul J. ; Jackson, Carole A. ; Kesteven, Michael J. ; Mahony, Elizabeth ; Phillips, Christopher J. ; Staveley-Smith, Lister ; Subrahmanyan, Ravi ; Walker, Mark A. ; Wilson, Warwick E. (2008) The Australia Telescope 20-GHz (AT20G) survey: the Bright Source Sample Monthly Notices of the Royal Astronomical Society, 384 (2). pp. 775-802. ISSN 0035-8711

Sethi, Shiv K. ; Subrahmanyan, Ravi ; Roshi, D. Anish (2007) Hydrogen 2p–2s transition: Signals from the Epochs of Recombination and Reionization The Astrophysical Journal, 664 (1). pp. 1-7. ISSN 0004-637X

Sadler, Elaine M. ; Ricci, Roberto ; Ekers, Ronald D. ; Ekers, J. A. ; Hancock, Paul J. ; Jackson, Carole A. ; Kesteven, Michael J. ; Murphy, Tara ; Phillips, Chris ; Reinfrank, Robert F. ; Staveley-Smith, Lister ; Subrahmanyan, Ravi ; Walker, Mark A. ; Wilson, Warwick E. ; De Zotti, Gianfranco (2006) The properties of extragalactic radio sources selected at 20 GHz Monthly Notices of the Royal Astronomical Society, 371 (2). pp. 898-914. ISSN 0035-8711

Saripalli, Lakshmi ; Subrahmanyan, Ravi ; Hunstead, Richard W. (2006) Episodic ejection from super-massive black holes Proceedings of the International Astronomical Union, 2 (S238). pp. 441-442. ISSN 1743-9213

Subrahmanyan, Ravi ; Hunstead, R. W. ; Cox, N. L. J. ; McIntyre, V. (2006) SGRS J0515−8100: A fat‐double giant radio galaxy The Astrophysical Journal, 636 (1). pp. 172-180. ISSN 0004-637X

Roy, Subhashis ; Pramesh Rao, A. ; Subrahmanyan, Ravi (2005) Extragalactic sources towards the central region of the galaxy Monthly Notices of the Royal Astronomical Society, 360 (4). pp. 1305-1324. ISSN 0035-8711

Ricci, Roberto ; Sadler, Elaine M. ; Ekers, Ronald D. ; Staveley-Smith, Lister ; Wilson, Warwick E. ; Kesteven, Michael J. ; Subrahmanyan, Ravi ; Walker, Mark A. ; Jackson, Carole A. ; De Zotti, Gianfranco (2004) First results from the Australia Telescope Compact Array 18-GHz pilot survey Monthly Notices of the Royal Astronomical Society, 354 (1). pp. 305-320. ISSN 0035-8711

Subrahmanyan, Ravi ; Deshpande, Avinash A. (2004) Contaminants in ATCA baselines with shadowing: a case study of cross-talk in short-spacing interferometers Monthly Notices of the Royal Astronomical Society, 349 (4). pp. 1365-1380. ISSN 0035-8711

Ryder, Stuart D. ; Sadler, Elaine M. ; Subrahmanyan, Ravi ; Weiler, Kurt W. ; Panagia, Nino ; Stockdale, Christopher (2004) Modulations in the radio light curve of the Type IIb supernova 2001ig: evidence for a Wolf-Rayet binary progenitor? Monthly Notices of the Royal Astronomical Society, 349 (3). pp. 1093-1100. ISSN 0035-8711

Subrahmanyan, Ravi (2004) Radio interferometers with wide bandwidths Monthly Notices of the Royal Astronomical Society, 348 (4). pp. 1208-1214. ISSN 0035-8711

Kanekar, Nissim ; Subrahmanyan, Ravi ; Chengalur, Jayaram N. ; Safouris, Vicky (2003) The temperature of the warm neutral medium in the milky way Monthly Notices of the Royal Astronomical Society, 346 (4). pp. L57-L61. ISSN 0035-8711

Roy, Subhashis ; Pramesh Rao, A. ; Subrahmanyan, Ravi (2003) Magnetic field in the Galactic centre: rotation measure observations of extragalactic sources Astronomische Nachrichten, 324 (S1). pp. 41-46. ISSN 0004-6337

Saripalli, Lakshmi ; Subrahmanyan, Ravi ; Udaya Shankar, N. (2003) Renewed activity in the radio galaxy PKS B1545−321: twin edge‐brightened beams within diffuse radio lobes The Astrophysical Journal, 590 (1). pp. 181-191. ISSN 0004-637X

Subrahmanyan, Ravi ; Beasley, A. J. ; Goss, W. M. ; Golap, K. ; Hunstead, R. W. (2003) PKS B1400−33: An unusual radio relic in a poor cluster The Astronomical Journal, 125 (3). pp. 1095-1106. ISSN 0004-6256

Kanekar, Nissim ; Subrahmanyan, Ravi ; Chengalur, Jayaram N ; Safouris, Vicky (2003) The temperature of the warm neutral medium in the Milky Way Monthly Notices of the Royal Astronomical Society, 346 (4). pp. L57-L61. ISSN 0035-8711

Saripalli, Lakshmi ; Subrahmanyan, Ravi ; Udaya Shankar, N. (2002) A case for renewed activity in the giant radio galaxy J0116−473 The Astrophysical Journal, 565 (1). pp. 256-264. ISSN 0004-637X

Subrahmanyan, Ravi ; Goss, W. M. ; Malin, David F. (2001) Radio Continuum Structure of the Orion Nebula The Astronomical Journal, 121 (1). pp. 399-407. ISSN 0004-6256

Raghunathan, A. ; Subrahmanyan, Ravi (2000) A measurement of the cosmic microwave background temperature 1280 MHz Journal of Astrophysics and Astronomy, 21 (1-2). pp. 1-17. ISSN 0250-6335

Majumdar, Subhabrata ; Subrahmanyan, Ravi (2000) Constraints on structure formation models from the Sunyaev-Zel'dovich effect Monthly Notices of the Royal Astronomical Society, 312 (4). pp. 724-732. ISSN 0035-8711

Subrahmanyan, Ravi ; Goss, W. M. ; Megeath, S. T. ; Barnes, Peter J. (1997) A thermal plume in NGC 2024 Monthly Notices of the Royal Astronomical Society, 290 (3). pp. 431-438. ISSN 0035-8711

Subrahmanyan, Ravi ; Goss, W. M. (1996) Electron temperatures in the Galactic H II regions W43 and M17 Monthly Notices of the Royal Astronomical Society, 281 (1). pp. 239-244. ISSN 0035-8711

Subrahmanyan, Ravi ; Saripalli, Lakshmi ; Hunstead, Richard W. (1996) Morphologies in megaparsec-size powerful radio galaxies Monthly Notices of the Royal Astronomical Society, 279 (1). pp. 257-274. ISSN 0035-8711

Subrahmanyan, Ravi ; Goss, W. M. (1995) 330-MHz radio continuum imaging of the W51 complex Monthly Notices of the Royal Astronomical Society, 275 (3). pp. 755-763. ISSN 0035-8711

Saripalli, Lakshmi ; Subrahmanyan, Ravi ; Hunstead, Richard W. (1994) 0319 - 454: an FR II giant radio galaxy with twin jets Monthly Notices of the Royal Astronomical Society, 269 (1). pp. 37-51. ISSN 0035-8711

Subrahmanyan, Ravi ; Ekers, R. D. ; Wilson, W. E. ; Goss, W. M. ; Allen, David A. (1993) G25.5 + 0.2: a new luminous blue variable in the Galaxy? Monthly Notices of the Royal Astronomical Society, 263 (4). pp. 868-874. ISSN 0035-8711

Subrahmanyan, Ravi ; Saripalli, Lakshmi (1993) Physical conditions in the intergalactic medium Monthly Notices of the Royal Astronomical Society, 260 (4). pp. 908-914. ISSN 0035-8711

Subrahmanyan, Ravi (1993) Mechanical and accelerated testing of flip chip interconnect systems MRS Online Proceedings Library, 323 . Article ID 395. ISSN 1946-4274

Subrahmanyan, Ravi ; Kesteven, Michael J. ; Hekkert, Peter te Lintel (1992) The H I emission and absorption spectra towards the double radio source 1830-211 Monthly Notices of the Royal Astronomical Society, 259 (1). pp. 63-66. ISSN 0035-8711

Subrahmanyan, Ravi (1992) 330-MHz radio continuum observations of the H II regions M42 and M43 Monthly Notices of the Royal Astronomical Society, 254 (2). pp. 291-294. ISSN 0035-8711

Subrahmanyan, Ravi ; Swarup, G. (1990) An observational constraint on the existence of proto-superclusters at z = 3.3 Journal of Astrophysics and Astronomy, 11 (2). pp. 237-253. ISSN 0250-6335

Subrahmanyan, Ravi ; Anantharamaiah, K. R. (1990) A search for protocliisters atz = 3.3 Journal of Astrophysics and Astronomy, 11 (2). pp. 221-235. ISSN 0250-6335

Subrahmanyan, Ravi ; Anantharamaiah, K. R. (1990) A search for Protocliisters at z = 3.3 Journal of Astrophysics and Astronomy, 11 (2). pp. 221-235. ISSN 0250-6335

Kapahi, Vijay K. ; Subrahmanyan, Ravi ; Singal, Ashok K. (1985) The alignment of distant radio sources Nature, 313 . pp. 463-465. ISSN 0028-0836

Conference or Workshop Item

Raghunathan, Agaram ; Girish, B.S. ; Somashekar, R. ; Srivani, K.S. ; Singh, Saurabh ; Subrahmanyan, Ravi ; Shankar, N. Udaya ; Rao, Mayuri Sathyanarayana ; Nambissan T., Jishnu (2020) Wide band antenna with Ultra-smooth spectral characteristics In: International Applied Computational Electromagnetics Society Symposium (ACES), 27-31 July 2020, Monterey, CA, USA.

Subrahmanyan, Ravi ; Raghunathan, Agaram ; UdayaShankar, N. ; Singh, Saurabh ; Puthige, Sharath ; Mahesh, Nivedita ; Rao, Mayuri Sathyanarayana (2016) Wideband antennas for precision spectral radiometers for cosmology In: 2016 International Conference on Electromagnetics in Advanced Applications (ICEAA), 19-23 Sept 2016, Cairns, QLD, Australia.

Raghunathan, Agaram ; Udaya Shankar, N. ; Rao, Mayuri Sathyanarayana ; Subrahmanyan, Ravi (2015) Design of frequency independent profiled discone antenna for detecting spectral ripples from the Epoch of Recombination In: 2015 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC), 7-11 Sept. 2015, Turin, Italy.

Udaya Shankar, N. ; Subrahmanyan, Ravi ; Mahesh, Nivedita ; Raghunathan, A. ; Patra, Nipanjana (2014) Antennas, space beam splitters and receivers for precision radiometers exploring the reionization and recombination epochs In: 2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS), 16-23 Aug. 2014, Beijing, China.

Subrahmanyan, Ravi ; Udaya Shankar, N. ; Patra, Nipanjana ; Rao, Mayuri Sathyanarayana ; Mahesh, Nivedita ; Raghunathan, A. (2014) Signatures in the cosmic radio background from spin flip and recombination in cosmological hydrogen In: 2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS), 16-23 Aug. 2014, Beijing, China.

Srivani, K. S. ; Girish, B. S. ; Udaya Shankar, N. ; Subrahmanyan, Ravi (2014) A precision spectrometer for measuring signals from the Epoch of Cosmological Recombination In: 2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS),, 16-23 Aug. 2014, Beijing, China.

Subrahmanyan, Ravi (2011) Long wavelength radio science: Inspirations from astronomy In: 2011 XXXth URSI General Assembly and Scientific Symposium, 13-20 Aug. 2011, Istanbul, Turkey.

Raghunathan, A. ; Patra, Nipanjana ; Udaya Shankar, N. ; Ekers, R. D. ; Subrahmanyan, Ravi (2011) Zero-spacing interferometer for measurement of continuum spectrum of the low radio frequency background In: 2011 XXXth URSI General Assembly and Scientific Symposium, 13-20 Aug. 2011, Istanbul, Turkey.

Subrahmanyan, Ravi (2007) Implementation considerations for IEEE 1588v2 applications in telecommunications In: IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication, 2007. ISPCS 2007, 1-3 Oct. 2007, Vienna, Austria.

Latremouille, Damien ; Harper, Kyle ; Subrahmanyan, Ravi (2007) An architecture for embedded IEEE 1588 support In: IEEE International Symposium on Precision Clock Synchronization for Measurement, Control and Communication, 2007. ISPCS 2007, 1-3 Oct. 2007, Vienna, Austria.

Other

Chen, Xuelei ; Burns, Jack ; Koopmans, Leon ; Rothkaehi, Hanna ; Silk, Joseph ; Wu, Ji ; Boonstra, Albert-Jan ; Cecconi, Baptiste ; Chiang, Cynthia H. ; Chen, Linjie ; Deng, Li ; Falanga, Maurizio ; Falcke, Heino ; Fan, Quanlin ; Fang, Guangyou ; Fialkov, Anastasia ; Gurvits, Leonid ; Ji, Yicai ; Kasper, Justin C. ; Li, Kejia ; Mao, Yi ; Mckinley, Benjamin ; Monsalve, Raul ; Peterson, Jeffery B. ; Ping, Jinsong ; Subrahmanyan, Ravi ; Vedantham, Harish ; Wolt, Marc Klein ; Wu, Fengquan ; Xu, Yidong ; Yan, Jingye ; Yue, Bin (2019) Discovering the Sky at the Longest Wavelengths with Small Satellite Constellations Arxiv Publications.

Koopmans, Leon ; Barkana, Rennan ; Bentum, Mark ; Bernardi, Gianni ; Boonstra, Albert-Jan ; Bowman, Judd ; Burns, Jack ; Chen, Xuelei ; Datta, Abhirup ; Falcke, Heino ; Fialkov, Anastasia ; Gehlot, Bharat ; Gurvits, Leonid ; Jelić, Vibor ; Klein-Wolt, Marc ; Koopmans, Léon ; Lazio, Joseph ; Meerburg, Daan ; Mellema, Garrelt ; Mertens, Florent ; Mesinger, Andrei ; Offringa, André ; Pritchard, Jonathan ; Semelin, Benoit ; Subrahmanyan, Ravi ; Silk, Joseph ; Trott, Cathryn ; Vedantham, Harish ; Verde, Licia ; Zaroubi, Saleem ; Zarka, Philippe (2019) Peering into the Dark (Ages) with Low-Frequency Space Interferometers Arxiv Publications.