no code implementations • 7 Oct 2019 • A. P. Beardsley, M. Johnston-Hollitt, C. M. Trott, J. C. Pober, J. Morgan, D. Oberoi, D. L. Kaplan, C. R. Lynch, G. E. Anderson, P. I. McCauley, S. Croft, C. W. James, O. I. Wong, C. D. Tremblay, R. P. Norris, I. H. Cairns, C. J. Lonsdale, P. J. Hancock, B. M. Gaensler, N. D. R. Bhat, W. Li, N. Hurley-Walker, J. R. Callingham, N. Seymour, S. Yoshiura, R. C. Joseph, K. Takahashi, M. Sokolowski, J. C. A. Miller-Jones, J. V. Chauhan, I. Bojičić, M. D. Filipović, D. Leahy, H. Su, W. W. Tian, S. J. McSweeney, B. W. Meyers, S. Kitaeff, T. Vernstrom, G. Gürkan, G. Heald, M. Xue, C. J. Riseley, S. W. Duchesne, J. D. Bowman, D. C. Jacobs, B. Crosse, D. Emrich, T. M. O. Franzen, L. Horsley, D. Kenney, M. F. Morales, D. Pallot, K. Steele, S. J. Tingay, M. Walker, R. B. Wayth, A. Williams, C. Wu
The Murchison Widefield Array (MWA) is an open access telescope dedicated to studying the low frequency (80$-$300 MHz) southern sky.
Instrumentation and Methods for Astrophysics
1 code implementation • 12 Nov 2018 • V. Morello, E. D. Barr, S. Cooper, M. Bailes, S. Bates, N. D. R. Bhat, M. Burgay, S. Burke-Spolaor, A. D. Cameron, D. J. Champion, R. P. Eatough, C. M. L. Flynn, A. Jameson, S. Johnston, M. J. Keith, E. F. Keane, M. Kramer, L. Levin, C. Ng, E. Petroff, A. Possenti, B. W. Stappers, W. van Straten, C. Tiburzi
We have also introduced an outlier detection algorithm for efficient radio-frequency interference (RFI) mitigation on folded data, a new approach that enabled the discovery of pulsars previously masked by RFI.
Instrumentation and Methods for Astrophysics High Energy Astrophysical Phenomena
1 code implementation • 14 Jun 2017 • E. F. Keane, E. D. Barr, A. Jameson, V. Morello, M. Caleb, S. Bhandari, E. Petroff, A. Possenti, M. Burgay, C. Tiburzi, M. Bailes, N. D. R. Bhat, S. Burke-Spolaor, R. P. Eatough, C. Flynn, F. Jankowski, S. Johnston, M. Kramer, L. Levin, C. Ng, W. van Straten, V. Venkatraman Krishnan
We report on the observational setup, data analysis, multi-wavelength/messenger connections, survey sensitivities to pulsars and fast radio bursts and the impact of radio frequency interference.
Instrumentation and Methods for Astrophysics High Energy Astrophysical Phenomena
1 code implementation • 8 Jul 2014 • A. R. Offringa, B. McKinley, N. Hurley-Walker, F. H. Briggs, R. B. Wayth, D. L. Kaplan, M. E. Bell, L. Feng, A. R. Neben, J. D. Hughes, J. Rhee, T. Murphy, N. D. R. Bhat, G. Bernardi, J. D. Bowman, R. J. Cappallo, B. E. Corey, A. A. Deshpande, D. Emrich, A. Ewall-Wice, B. M. Gaensler, R. Goeke, L. J. Greenhill, B. J. Hazelton, L. Hindson, M. Johnston-Hollitt, D. C. Jacobs, J. C. Kasper, E. Kratzenberg, E. Lenc, C. J. Lonsdale, M. J. Lynch, S. R. McWhirter, D. A. Mitchell, M. F. Morales, E. Morgan, N. Kudryavtseva, D. Oberoi, S. M. Ord, B. Pindor, P. Procopio, T. Prabu, J. Riding, D. A. Roshi, N. Udaya Shankar, K. S. Srivani, R. Subrahmanyan, S. J. Tingay, M. Waterson, R. L. Webster, A. R. Whitney, A. Williams, C. L. Williams
We estimate the computing cost for imaging the low-frequency Square-Kilometre Array observations to be 60 PetaFLOPS with current techniques.
Instrumentation and Methods for Astrophysics
1 code implementation • 30 Jun 2010 • M. J. Keith, A. Jameson, W. van Straten, M. Bailes, S. Johnston, M. Kramer, A. Possenti, S. D. Bates, N. D. R. Bhat, M. Burgay, S. Burke-Spolaor, N. D'Amico, L. Levin, P. L. McMahon, S. Milia, B. W. Stappers
Installation of a digital backend allows us to record 400 MHz of bandwidth for each beam, split into 1024 channels and sampled every 64 us.
High Energy Astrophysical Phenomena Solar and Stellar Astrophysics