Search Results - "Procopio, P"

wsclean: an implementation of a fast, generic wide-field imager for radio astronomy by Offringa, A. R., McKinley, B., Hurley-Walker, N., Briggs, F. H., Wayth, R. B., Kaplan, D. L., Bell, M. E., Feng, L., Neben, A. R., Hughes, J. D., Rhee, J., Murphy, T., Bhat, N. D. R., Bernardi, G., Bowman, J. D., Cappallo, R. J., Corey, B. E., Deshpande, A. A., Emrich, D., Ewall-Wice, A., Gaensler, B. M., Goeke, R., Greenhill, L. J., Hazelton, B. J., Hindson, L., Johnston-Hollitt, M., Jacobs, D. C., Kasper, J. C., Kratzenberg, E., Lenc, E., Lonsdale, C. J., Lynch, M. J., McWhirter, S. R., Mitchell, D. A., Morales, M. F., Morgan, E., Kudryavtseva, N., Oberoi, D., Ord, S. M., Pindor, B., Procopio, P., Prabu, T., Riding, J., Roshi, D. A., Shankar, N. Udaya, Srivani, K. S., Subrahmanyan, R., Tingay, S. J., Waterson, M., Webster, R. L., Whitney, A. R., Williams, A., Williams, C. L.

“…Astronomical wide-field imaging of interferometric radio data is computationally expensive, especially for the large data volumes created by modern…”
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Extragalactic Peaked-spectrum Radio Sources at Low Frequencies by Callingham, J. R., Ekers, R. D., Gaensler, B. M., Line, J. L. B., Hurley-Walker, N., Sadler, E. M., Tingay, S. J., Hancock, P. J., Bell, M. E., Dwarakanath, K. S., For, B.-Q., Franzen, T. M. O., Hindson, L., Johnston-Hollitt, M., Kapi ska, A. D., Lenc, E., McKinley, B., Morgan, J., Offringa, A. R., Procopio, P., Staveley-Smith, L., Wayth, R. B., Wu, C., Zheng, Q.

“…We present a sample of 1483 sources that display spectral peaks between 72 MHz and 1.4 GHz, selected from the GaLactic and Extragalactic All-sky Murchison…”
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CHIPS: THE COSMOLOGICAL H i POWER SPECTRUM ESTIMATOR by Trott, C. M., Pindor, B., Procopio, P., Wayth, R. B., Mitchell, D. A., McKinley, B., Tingay, S. J., Barry, N., Beardsley, A. P., Bernardi, G., Bowman, Judd D., Briggs, F., Cappallo, R. J., Carroll, P., Oliveira-Costa, A. de, Dillon, Joshua S., Ewall-Wice, A., Feng, L., Greenhill, L. J., Hazelton, B. J., Hewitt, J. N., Hurley-Walker, N., Johnston-Hollitt, M., Jacobs, Daniel C., Kaplan, D. L., Kim, H. S., Lenc, E., Line, J., Loeb, A., Lonsdale, C. J., Morales, M. F., Morgan, E., Neben, A. R., Thyagarajan, Nithyanandan, Oberoi, D., Offringa, A. R., Ord, S. M., Paul, S., Pober, J. C., Prabu, T., Riding, J., Shankar, N. Udaya, Sethi, Shiv K., Srivani, K. S., Subrahmanyan, R., Sullivan, I. S., Tegmark, M., Webster, R. L., Williams, A., Williams, C. L., Wu, C., Wyithe, J. S. B.

“…ABSTRACT Detection of the cosmological neutral hydrogen signal from the Epoch of Reionization (EoR) and estimation of its basic physical parameters are…”
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Characterization of the ionosphere above the Murchison Radio Observatory using the Murchison Widefield Array by Jordan, C. H., Murray, S., Trott, C. M., Wayth, R. B., Mitchell, D. A., Rahimi, M., Pindor, B., Procopio, P., Morgan, J.

“…Abstract We detail new techniques for analysing ionospheric activity, using Epoch of Reionization data sets obtained with the Murchison Widefield Array,…”
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FIRST SEASON MWA EOR POWER SPECTRUM RESULTS AT REDSHIFT 7 by Beardsley, A. P., Hazelton, B. J., Sullivan, I. S., Carroll, P., Barry, N., Rahimi, M., Pindor, B., Trott, C. M., Line, J., Jacobs, Daniel C., Morales, M. F., Pober, J. C., Bernardi, G., Bowman, Judd D., Busch, M. P., Briggs, F., Cappallo, R. J., Corey, B. E., Oliveira-Costa, A. de, Dillon, Joshua S., Emrich, D., Ewall-Wice, A., Feng, L., Gaensler, B. M., Goeke, R., Greenhill, L. J., Hewitt, J. N., Hurley-Walker, N., Johnston-Hollitt, M., Kaplan, D. L., Kasper, J. C., Kim, H. S., Kratzenberg, E., Lenc, E., Loeb, A., Lonsdale, C. J., Lynch, M. J., McKinley, B., McWhirter, S. R., Mitchell, D. A., Morgan, E., Neben, A. R., Thyagarajan, Nithyanandan, Oberoi, D., Offringa, A. R., Ord, S. M., Paul, S., Prabu, T., Procopio, P., Riding, J., Rogers, A. E. E., Roshi, A., Shankar, N. Udaya, Sethi, Shiv K., Srivani, K. S., Subrahmanyan, R., Tegmark, M., Tingay, S. J., Waterson, M., Wayth, R. B., Webster, R. L., Whitney, A. R., Williams, A., Williams, C. L., Wu, C., Wyithe, J. S. B.

“…ABSTRACT The Murchison Widefield Array (MWA) has collected hundreds of hours of Epoch of Reionization (EoR) data and now faces the challenge of overcoming…”
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A search for long-time-scale, low-frequency radio transients by Murphy, Tara, Kaplan, David L, Croft, Steve, Lynch, Christene, Callingham, J R, Bannister, Keith, Bell, Martin E, Hurley-Walker, Natasha, Hancock, Paul, Line, Jack, Rowlinson, Antonia, Lenc, Emil, Intema, H T, Jagannathan, P, Ekers, Ronald D, Tingay, Steven, Yuan, Fang, Wolf, Christian, Onken, Christopher A, Dwarakanath, K S, Gaensler, B M, Hindson, L, Johnston-Hollitt, M, Kapinska, A D, McKinley, B, Morgan, J, Offringa, A R, Procopio, P, Staveley-Smith, L, Wayth, R, Wu, C, Zheng, Q

“…We present a search for transient and highly variable sources at low radio frequencies (150-200 MHz) that explores long time-scales of 1-3 yr. We conducted…”
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A multifrequency radio continuum study of the Magellanic Clouds – I. Overall structure and star formation rates by For, B-Q, Staveley-Smith, L, Hurley-Walker, N, Franzen, T, Kapińska, A D, Filipović, M D, Collier, J D, Wu, C, Grieve, K, Callingham, J R, Bell, M E, Bernardi, G, Bowman, J D, Briggs, F, Cappallo, R J, Deshpande, A A, Dwarakanath, K S, Gaensler, B M, Greenhill, L J, Hancock, P, Hazelton, B J, Hindson, L, Johnston-Hollitt, M, Kaplan, D L, Lenc, E, Lonsdale, C J, McKinley, B, McWhirter, S R, Mitchell, D A, Morales, M F, Morgan, E, Morgan, J, Oberoi, D, Offringa, A, Ord, S M, Prabu, T, Procopio, P, Shankar, N Udaya, Srivani, K S, Subrahmanyan, R, Tingay, S J, Wayth, R B, Webster, R L, Williams, A, Williams, C L, Zheng, Q

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First limits on the 21 cm power spectrum during the Epoch of X-ray heating by Ewall-Wice, A., Dillon, Joshua S., Hewitt, J. N., Loeb, A., Mesinger, A., Neben, A. R., Offringa, A. R., Tegmark, M., Barry, N., Beardsley, A. P., Bernardi, G., Bowman, Judd D., Briggs, F., Cappallo, R. J., Carroll, P., Corey, B. E., de Oliveira-Costa, A., Emrich, D., Feng, L., Gaensler, B. M., Goeke, R., Greenhill, L. J., Hazelton, B. J., Hurley-Walker, N., Johnston-Hollitt, M., Jacobs, Daniel C., Kaplan, D. L., Kasper, J. C., Kim, HS, Kratzenberg, E., Lenc, E., Line, J., Lonsdale, C. J., Lynch, M. J., McKinley, B., McWhirter, S. R., Mitchell, D. A., Morales, M. F., Morgan, E., Thyagarajan, Nithyanandan, Oberoi, D., Ord, S. M., Paul, S., Pindor, B., Pober, J. C., Prabu, T., Procopio, P., Riding, J., Rogers, A. E. E., Roshi, A., Shankar, N. Udaya, Sethi, Shiv K., Srivani, K. S., Subrahmanyan, R., Sullivan, I. S., Tingay, S. J., Trott, C. M., Waterson, M., Wayth, R. B., Webster, R. L., Whitney, A. R., Williams, A., Williams, C. L., Wu, C., Wyithe, J. S. B.

“…We present first results from radio observations with the Murchison Widefield Array seeking to constrain the power spectrum of 21 cm brightness temperature…”
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The jet/wind outflow in Centaurus A: a local laboratory for AGN feedback by McKinley, B, Tingay, S J, Carretti, E, Ellis, S, Bland-Hawthorn, J, Morganti, R, Line, J, McDonald, M, Veilleux, S, Wahl Olsen, R, Sidonio, M, Ekers, R, Offringa, A R, Procopio, P, Pindor, B, Wayth, R B, Hurley-Walker, N, Bernardi, G, Gaensler, B M, Haverkorn, M, Kesteven, M, Poppi, S, Staveley-Smith, L

“…Abstract We present new radio and optical images of the nearest radio galaxy Centaurus A and its host galaxy NGC 5128. We focus our investigation on the…”
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THE MURCHISON WIDEFIELD ARRAY 21 cm POWER SPECTRUM ANALYSIS METHODOLOGY by Jacobs, Daniel C., Hazelton, B. J., Trott, C. M., Dillon, Joshua S., Pindor, B., Sullivan, I. S., Pober, J. C., Barry, N., Beardsley, A. P., Bernardi, G., Bowman, Judd D., Briggs, F., Cappallo, R. J., Carroll, P., Corey, B. E., Oliveira-Costa, A. de, Emrich, D., Ewall-Wice, A., Feng, L., Gaensler, B. M., Goeke, R., Greenhill, L. J., Hewitt, J. N., Hurley-Walker, N., Johnston-Hollitt, M., Kaplan, D. L., Kasper, J. C., Kim, HS, Kratzenberg, E., Lenc, E., Line, J., Loeb, A., Lonsdale, C. J., Lynch, M. J., McKinley, B., McWhirter, S. R., Mitchell, D. A., Morales, M. F., Morgan, E., Neben, A. R., Thyagarajan, N., Oberoi, D., Offringa, A. R., Ord, S. M., Paul, S., Prabu, T., Procopio, P., Riding, J., Rogers, A. E. E., Roshi, A., Shankar, N. Udaya, Sethi, Shiv K., Srivani, K. S., Subrahmanyan, R., Tegmark, M., Tingay, S. J., Waterson, M., Wayth, R. B., Webster, R. L., Whitney, A. R., Williams, A., Williams, C. L., Wu, C., Wyithe, J. S. B.

“…ABSTRACT We present the 21 cm power spectrum analysis approach of the Murchison Widefield Array Epoch of Reionization project. In this paper, we compare the…”
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LOW-FREQUENCY OBSERVATIONS OF LINEARLY POLARIZED STRUCTURES IN THE INTERSTELLAR MEDIUM NEAR THE SOUTH GALACTIC POLE by Lenc, E., Gaensler, B. M., Sun, X. H., Sadler, E. M., Willis, A. G., Barry, N., Beardsley, A. P., Bell, M. E., Bernardi, G., Bowman, J. D., Briggs, F., Callingham, J. R., Cappallo, R. J., Carroll, P., Corey, B. E., Oliveira-Costa, A. de, Deshpande, A. A., Dillon, J. S., Dwarkanath, K. S., Emrich, D., Ewall-Wice, A., Feng, L., For, B.-Q., Goeke, R., Greenhill, L. J., Hancock, P., Hazelton, B. J., Hewitt, J. N., Hindson, L., Hurley-Walker, N., Johnston-Hollitt, M., Jacobs, D. C., Kapi ska, A. D., Kaplan, D. L., Kasper, J. C., Kim, H.-S., Kratzenberg, E., Line, J., Loeb, A., Lonsdale, C. J., Lynch, M. J., McKinley, B., McWhirter, S. R., Mitchell, D. A., Morales, M. F., Morgan, E., Morgan, J., Murphy, T., Neben, A. R., Oberoi, D., Offringa, A. R., Ord, S. M., Paul, S., Pindor, B., Pober, J. C., Prabu, T., Procopio, P., Riding, J., Rogers, A. E. E., Roshi, A., Shankar, N. Udaya, Sethi, S. K., Srivani, K. S., Staveley-Smith, L., Subrahmanyan, R., Sullivan, I. S., Tegmark, M., Thyagarajan, Nithyanandan, Tingay, S. J., Trott, C., Waterson, M., Wayth, R. B., Webster, R. L., Whitney, A. R., Williams, A., Williams, C. L., Wu, C., Wyithe, J. S. B., Zheng, Q.

“…ABSTRACT We present deep polarimetric observations at 154 MHz with the Murchison Widefield Array (MWA), covering 625 deg2 centered on = 0hand δ = −27°. The…”
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Comparing Redundant and Sky-model-based Interferometric Calibration: A First Look with Phase II of the MWA by Li, W., Pober, J. C., Hazelton, B. J., Barry, N., Morales, M. F., Sullivan, I., Parsons, A. R., Ali, Z. S., Dillon, J. S., Beardsley, A. P., Bowman, J. D., Briggs, F., Byrne, R., Carroll, P., Crosse, B., Emrich, D., Ewall-Wice, A., Feng, L., Franzen, T. M. O., Hewitt, J. N., Horsley, L., Jacobs, D. C., Johnston-Hollitt, M., Jordan, C., Joseph, R. C., Kaplan, D. L., Kenney, D., Kim, H., Kittiwisit, P., Lanman, A., Line, J., McKinley, B., Mitchell, D. A., Murray, S., Neben, A., Offringa, A. R., Pallot, D., Paul, S., Pindor, B., Procopio, P., Rahimi, M., Riding, J., Sethi, S. K., Udaya Shankar, N., Steele, K., Subrahmanian, R., Tegmark, M., Thyagarajan, N., Tingay, S. J., Trott, C., Walker, M., Wayth, R. B., Webster, R. L., Williams, A., Wu, C., Wyithe, S.

“…Interferometric arrays seeking to measure the 21 cm signal from the epoch of reionization (EOR) must contend with overwhelmingly bright emission from…”
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The First Murchison Widefield Array low-frequency radio observations of cluster scale non-thermal emission: the case of Abell 3667 by Hindson, L., Johnston-Hollitt, M., Hurley-Walker, N., Buckley, K., Morgan, J., Carretti, E., Dwarakanath, K. S., Bell, M., Bernardi, G., Bhat, N. D. R., Bowman, J. D., Briggs, F., Cappallo, R. J., Corey, B. E., Deshpande, A. A., Emrich, D., Ewall-Wice, A., Feng, L., Gaensler, B. M., Goeke, R., Greenhill, L. J., Hazelton, B. J., Jacobs, D., Kaplan, D. L., Kasper, J. C., Kratzenberg, E., Kudryavtseva, N., Lenc, E., Lonsdale, C. J., Lynch, M. J., McWhirter, S. R., McKinley, B., Mitchell, D. A., Morales, M. F., Morgan, E., Oberoi, D., Ord, S. M., Pindor, B., Prabu, T., Procopio, P., Offringa, A. R., Riding, J., Rogers, A. E. E., Roshi, A., Shankar, N. Udaya, Srivani, K. S., Subrahmanyan, R., Tingay, S. J., Waterson, M., Wayth, R. B., Webster, R. L., Whitney, A. R., Williams, A., Williams, C. L.

“…We present the first Murchison Widefield Array observations of the well-known cluster of galaxies Abell 3667 (A3667) between 105 and 241 MHz. A3667 is one of…”
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Parametrizing Epoch of Reionization foregrounds: a deep survey of low-frequency point-source spectra with the Murchison Widefield Array by Offringa, A. R., Trott, C. M., Hurley-Walker, N., Johnston-Hollitt, M., McKinley, B., Barry, N., Beardsley, A. P., Bowman, J. D., Briggs, F., Carroll, P., Dillon, J. S., Ewall-Wice, A., Feng, L., Gaensler, B. M., Greenhill, L. J., Hazelton, B. J., Hewitt, J. N., Jacobs, D. C., Kim, H.-S., Kittiwisit, P., Lenc, E., Line, J., Loeb, A., Mitchell, D. A., Morales, M. F., Neben, A. R., Paul, S., Pindor, B., Pober, J. C., Procopio, P., Riding, J., Sethi, S. K., Shankar, N. U., Subrahmanyan, R., Sullivan, I. S., Tegmark, M., Thyagarajan, N., Tingay, S. J., Wayth, R. B., Webster, R. L., Wyithe, J. S. B.

“…Experiments that pursue detection of signals from the Epoch of Reionization (EoR) are relying on spectral smoothness of source spectra at low frequencies. This…”
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The spectral energy distribution of powerful starburst galaxies – I. Modelling the radio continuum by Galvin, T. J., Seymour, N., Marvil, J., Filipović, M. D., Tothill, N. F. H., McDermid, R. M., Hurley-Walker, N., Hancock, P. J., Callingham, J. R., Cook, R. H., Norris, R. P., Bell, M. E., Dwarakanath, K. S., For, B., Gaensler, B. M., Hindson, L., Johnston-Hollitt, M., Kapińska, A. D., Lenc, E., McKinley, B., Morgan, J., Offringa, A. R., Procopio, P., Staveley-Smith, L., Wayth, R. B., Wu, C., Zheng, Q.

“…Abstract We have acquired radio-continuum data between 70 MHz and 48 GHz for a sample of 19 southern starburst galaxies at moderate redshifts…”
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Searching for dark matter signals from local dwarf spheroidal galaxies at low radio frequencies in the GLEAM survey by Cook, R H W, Seymour, N, Spekkens, K, Hurley-Walker, N, Hancock, P J, Bell, M E, Callingham, J R, For, B-Q, Franzen, T M O, Gaensler, B M, Hindson, L, Johnston-Hollitt, M, Kapińska, A D, Morgan, J, Offringa, A R, Procopio, P, Staveley-Smith, L, Wayth, R B, Wu, C, Zheng, Q

“…ABSTRACT The search for emission from weakly interacting massive particle (WIMP) dark matter annihilation and decay has become a multipronged area of research…”
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Modelling of the spectral energy distribution of Fornax A: leptonic and hadronic production of high-energy emission from the radio lobes by McKinley, B, Yang, R, Lopez-Caniego, M, Briggs, F, Hurley-Walker, N, Wayth, R B, Offringa, A R, Crocker, R, Bernardi, G, Procopio, P, Gaensler, B M, Tingay, S J, Johnston-Hollitt, M, McDonald, M, Bell, M, Bhat, N D R, Bowman, J D, Cappallo, R J, Corey, B E, Deshpande, A A, Emrich, D, Ewall-Wice, A, Feng, L, Goeke, R, Greenhill, L J, Hazelton, B J, Hewitt, J N, Hindson, L, Jacobs, D, Kaplan, D L, Kasper, J C, Kratzenberg, E, Kudryavtseva, N, Lenc, E, Lonsdale, C J, Lynch, M J, McWhirter, S R, Mitchell, D A, Morales, M F, Morgan, E, Oberoi, D, Ord, S M, Pindor, B, Prabu, T, Riding, J, Rogers, A E E, Roshi, D A, Shankar, N Udaya, Srivani, K S, Subrahmanyan, R

“…We present new low-frequency observations of the nearby radio galaxy Fornax A at 154 MHz with the Murchison Widefield Array, microwave flux-density…”
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Spectral Energy Distribution and Radio Halo of NGC 253 at Low Radio Frequencies by Kapi ska, A. D., Staveley-Smith, L., Crocker, R., Meurer, G. R., Bhandari, S., Hurley-Walker, N., Offringa, A. R., Hanish, D. J., Seymour, N., Ekers, R. D., Bell, M. E., Callingham, J. R., Dwarakanath, K. S., For, B.-Q., Gaensler, B. M., Hancock, P. J., Hindson, L., Johnston-Hollitt, M., Lenc, E., McKinley, B., Morgan, J., Procopio, P., Wayth, R. B., Wu, C., Zheng, Q., Barry, N., Beardsley, A. P., Bowman, J. D., Briggs, F., Carroll, P., Dillon, J. S., Ewall-Wice, A., Feng, L., Greenhill, L. J., Hazelton, B. J., Hewitt, J. N., Jacobs, D. J., Kim, H.-S., Kittiwisit, P., Line, J., Loeb, A., Mitchell, D. A., Morales, M. F., Neben, A. R., Paul, S., Pindor, B., Pober, J. C., Riding, J., Sethi, S. K., Shankar, N. Udaya, Subrahmanyan, R., Sullivan, I. S., Tegmark, M., Thyagarajan, N., Tingay, S. J., Trott, C. M., Webster, R. L., Wyithe, S. B., Cappallo, R. J., Deshpande, A. A., 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.

“…We present new radio continuum observations of NGC 253 from the Murchison Widefield Array at frequencies between 76 and 227 MHz. We model the broadband radio…”
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A high reliability survey of discrete Epoch of Reionization foreground sources in the MWA EoR0 field by Carroll, P A, Line, J, Morales, M F, Barry, N, Beardsley, A P, Hazelton, B J, Jacobs, D C, Pober, J C, Sullivan, I S, Webster, R L, Bernardi, G, Bowman, J D, Briggs, F, Cappallo, R J, Corey, B E, de Oliveira-Costa, A, Dillon, J S, Emrich, D, Ewall-Wice, A, Feng, L, Gaensler, B M, Goeke, R, Greenhill, L J, Hewitt, J N, Hurley-Walker, N, Johnston-Hollitt, M, Kaplan, D L, Kasper, J C, Kim, H S, Kratzenberg, E, Lenc, E, Loeb, A, Lonsdale, C J, Lynch, M J, McKinley, B, McWhirter, S R, Mitchell, D A, Morgan, E, Neben, A R, Oberoi, D, Offringa, A R, Ord, S M, Paul, S, Pindor, B, Prabu, T, Procopio, P, Riding, J, Rogers, A E E, Roshi, A, Shankar, N Udaya, et. al

“…Detection of the epoch of reionization H I signal requires a precise understanding of the intervening galaxies and AGN, both for instrumental calibration and…”
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An analysis of the halo and relic radio emission from Abell 3376 from Murchison Widefield Array observations by George, L. T., Dwarakanath, K. S., Johnston-Hollitt, M., Hurley-Walker, N., Hindson, L., Kapińska, A. D., Tingay, S. J., Bell, M., Callingham, J. R., For, Bi-Qing, Hancock, P. J., Lenc, E., McKinley, B., Morgan, J., Offringa, A., Procopio, P., Staveley-Smith, L., Wayth, R. B., Wu, Chen, Zheng, Q., Bernardi, G., Bowman, J. D., Briggs, F., Cappallo, R. J., Corey, B. E., Deshpande, A. A., Emrich, D., Goeke, R., Greenhill, L. J., Hazelton, B. J., Kaplan, D. L., Kasper, J. C., Kratzenberg, E., Lonsdale, C. J., Lynch, M. J., McWhirter, S. R., Mitchell, D. A., Morales, M. F., Morgan, E., Oberoi, D., Ord, S. M., Prabu, T., Rogers, A. E. E., Roshi, A., Shankar, N. Udaya, Srivani, K. S., Subrahmanyan, R., Waterson, M., Webster, R. L., Whitney, A. R., Williams, A., Williams, C. L.

“…We have carried out multiwavelength observations of the nearby (z = 0.046) rich, merging galaxy cluster Abell 3376 with the Murchison Widefield Array (MWA). As…”
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