Observing the Sun with the Murchison Widefield Array
The Sun has remained a difficult source to image for radio telescopes, especially at the low radio frequencies. Its morphologically complex emission features span a large range of angular scales and the emission mechanisms involved, span a wide range in brightness temperatures. In addition, time and...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Conference Paper |
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Institute of Electrical and Electronics Engineers Inc.
2014
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| Online Access: | http://hdl.handle.net/20.500.11937/26195 |
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| author | Oberoi, D. Sharma, R. Bhatnagar, S. Lonsdale, C. Matthews, L. Cairns, I. Tingay, Steven Benkevitch, L. Donea, A. White, S. Bernardi, G. Bowman, J. Briggs, F. Cappallo, R. Corey, B. Deshpande, A. Emrich, D. Gaensler, B. Goeke, R. Greenhill, L. Hazelton, B. Johnston-Hollitt, M. Kaplan, D. Kasper, J. Kratzenberg, E. Lynch, Mervyn McWhirter, S. Mitchell, D. Morales, M. Morgan, E. Offringa, A. Ord, Stephen Prabu, T. Rogers, A. Roshi, A. Salah, J. Shankar, N. Srivani, K. Subrahmanyan, R. Waterson, M. Wayth, Randall Webster, R. Whitney, A. William, A. Williams, C. |
| author_facet | Oberoi, D. Sharma, R. Bhatnagar, S. Lonsdale, C. Matthews, L. Cairns, I. Tingay, Steven Benkevitch, L. Donea, A. White, S. Bernardi, G. Bowman, J. Briggs, F. Cappallo, R. Corey, B. Deshpande, A. Emrich, D. Gaensler, B. Goeke, R. Greenhill, L. Hazelton, B. Johnston-Hollitt, M. Kaplan, D. Kasper, J. Kratzenberg, E. Lynch, Mervyn McWhirter, S. Mitchell, D. Morales, M. Morgan, E. Offringa, A. Ord, Stephen Prabu, T. Rogers, A. Roshi, A. Salah, J. Shankar, N. Srivani, K. Subrahmanyan, R. Waterson, M. Wayth, Randall Webster, R. Whitney, A. William, A. Williams, C. |
| author_sort | Oberoi, D. |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | The Sun has remained a difficult source to image for radio telescopes, especially at the low radio frequencies. Its morphologically complex emission features span a large range of angular scales and the emission mechanisms involved, span a wide range in brightness temperatures. In addition, time and frequency synthesis, the key tool used by most radio interferometers to build up information about the source being imaged is not effective for solar imaging, because many of the features of interest are short lived and change dramatically over small fractional bandwidths. Building on the advances in radio frequency technology, digital signal processing and computing, the kind of instruments needed to simultaneously capture the evolution of solar emission in time, frequency, morphology and polarization over a large spectral span with the requisite imaging fidelity, and time and frequency resolution have only recently begun to appear. Of this class of instruments, the Murchison Widefield Array (MWA) is best suited for solar observations. The MWA has now entered a routine observing phase and here we present some early examples from MWA observations. |
| first_indexed | 2025-11-14T08:00:20Z |
| format | Conference Paper |
| id | curtin-20.500.11937-26195 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T08:00:20Z |
| publishDate | 2014 |
| publisher | Institute of Electrical and Electronics Engineers Inc. |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-261952018-03-29T09:08:13Z Observing the Sun with the Murchison Widefield Array Oberoi, D. Sharma, R. Bhatnagar, S. Lonsdale, C. Matthews, L. Cairns, I. Tingay, Steven Benkevitch, L. Donea, A. White, S. Bernardi, G. Bowman, J. Briggs, F. Cappallo, R. Corey, B. Deshpande, A. Emrich, D. Gaensler, B. Goeke, R. Greenhill, L. Hazelton, B. Johnston-Hollitt, M. Kaplan, D. Kasper, J. Kratzenberg, E. Lynch, Mervyn McWhirter, S. Mitchell, D. Morales, M. Morgan, E. Offringa, A. Ord, Stephen Prabu, T. Rogers, A. Roshi, A. Salah, J. Shankar, N. Srivani, K. Subrahmanyan, R. Waterson, M. Wayth, Randall Webster, R. Whitney, A. William, A. Williams, C. The Sun has remained a difficult source to image for radio telescopes, especially at the low radio frequencies. Its morphologically complex emission features span a large range of angular scales and the emission mechanisms involved, span a wide range in brightness temperatures. In addition, time and frequency synthesis, the key tool used by most radio interferometers to build up information about the source being imaged is not effective for solar imaging, because many of the features of interest are short lived and change dramatically over small fractional bandwidths. Building on the advances in radio frequency technology, digital signal processing and computing, the kind of instruments needed to simultaneously capture the evolution of solar emission in time, frequency, morphology and polarization over a large spectral span with the requisite imaging fidelity, and time and frequency resolution have only recently begun to appear. Of this class of instruments, the Murchison Widefield Array (MWA) is best suited for solar observations. The MWA has now entered a routine observing phase and here we present some early examples from MWA observations. 2014 Conference Paper http://hdl.handle.net/20.500.11937/26195 10.1109/URSIGASS.2014.6930045 Institute of Electrical and Electronics Engineers Inc. restricted |
| spellingShingle | Oberoi, D. Sharma, R. Bhatnagar, S. Lonsdale, C. Matthews, L. Cairns, I. Tingay, Steven Benkevitch, L. Donea, A. White, S. Bernardi, G. Bowman, J. Briggs, F. Cappallo, R. Corey, B. Deshpande, A. Emrich, D. Gaensler, B. Goeke, R. Greenhill, L. Hazelton, B. Johnston-Hollitt, M. Kaplan, D. Kasper, J. Kratzenberg, E. Lynch, Mervyn McWhirter, S. Mitchell, D. Morales, M. Morgan, E. Offringa, A. Ord, Stephen Prabu, T. Rogers, A. Roshi, A. Salah, J. Shankar, N. Srivani, K. Subrahmanyan, R. Waterson, M. Wayth, Randall Webster, R. Whitney, A. William, A. Williams, C. Observing the Sun with the Murchison Widefield Array |
| title | Observing the Sun with the Murchison Widefield Array |
| title_full | Observing the Sun with the Murchison Widefield Array |
| title_fullStr | Observing the Sun with the Murchison Widefield Array |
| title_full_unstemmed | Observing the Sun with the Murchison Widefield Array |
| title_short | Observing the Sun with the Murchison Widefield Array |
| title_sort | observing the sun with the murchison widefield array |
| url | http://hdl.handle.net/20.500.11937/26195 |