Search Results - "Leahy, J P"

Polarized radio filaments outside the Galactic plane by Vidal, Matias, Dickinson, C., Davies, R. D., Leahy, J. P.

“…We used data from the WMAP satellite at 23, 33 and 41 GHz to study the diffuse polarized emission over the entire sky. The emission originates mostly from…”
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A new polarization amplitude bias reduction method by Vidal, Matias, Leahy, J. P., Dickinson, C.

“…Polarization amplitude estimation is affected by a positive noise bias, particularly important in regions with low signal-to-noise ratio (SNR). We present a…”
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The C-Band All-Sky Survey (C-BASS): design and capabilities by Jones, Michael E, Taylor, Angela C, Aich, Moumita, Copley, C J, Chiang, H Cynthia, Davis, R J, Dickinson, C, Grumitt, R D P, Hafez, Yaser, Heilgendorff, Heiko M, Holler, C M, Irfan, M O, Jew, Luke R P, John, J J, Jonas, J, King, O G, Leahy, J P, Leech, J, Leitch, E M, Muchovej, S J C, Pearson, T J, Peel, M W, Readhead, A C S, Sievers, Jonathan, Stevenson, M A, Zuntz, J

“…The C-Band All-Sky Survey (C-BASS) is an all-sky full-polarization survey at a frequency of 5 GHz, designed to provide complementary data to the all-sky…”
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Connecting synchrotron, cosmic rays and magnetic fields in the plane of the Galaxy by Jaffe, T. R., Banday, A. J., Leahy, J. P., Leach, S., Strong, A. W.

“…We extend previous work modelling the Galactic magnetic field in the plane using synchrotron emission in total and polarized intensity. In this work, we…”
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Prototype Faraday Rotation Measure Catalogs from the Polarisation Sky Survey of the Universe’s Magnetism (POSSUM) Pilot Observations by Vanderwoude, S., West, J. L., Gaensler, B. M., Rudnick, L., Van Eck, C. L., Thomson, A. J. M., Andernach, H., Anderson, C. S., Carretti, E., Heald, G. H., Leahy, J. P., McClure-Griffiths, N. M., O’Sullivan, S. P., Tahani, M., Willis, A. G.

“…Abstract The Polarisation Sky Survey of the Universe’s Magnetism (POSSUM) will conduct a sensitive ∼1 GHz radio polarization survey covering 20,000 deg 2 of…”
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FARADAY TOMOGRAPHY OF THE NORTH POLAR SPUR: CONSTRAINTS ON THE DISTANCE TO THE SPUR AND ON THE MAGNETIC FIELD OF THE GALAXY by Sun, X. H., Landecker, T. L., Gaensler, B. M., Carretti, E., Reich, W., Leahy, J. P., McClure-Griffiths, N. M., Crocker, R. M., Wolleben, M., Haverkorn, M., Douglas, K. A., Gray, A. D.

“…ABSTRACT We present radio continuum and polarization images of the North Polar Spur (NPS) from the Global Magneto-ionic Medium Survey conducted with the…”
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Modelling the Galactic magnetic field on the plane in two dimensions by Jaffe, T. R., Leahy, J. P., Banday, A. J., Leach, S. M., Lowe, S. R., Wilkinson, A.

“…We present a method for parametric modelling of the physical components of the Galaxy's magnetized interstellar medium, simulating the observables and mapping…”
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A high-resolution view of the jets in 3C 465 by Bempong-Manful, E, Hardcastle, M J, Birkinshaw, M, Laing, R A, Leahy, J P, Worrall, D M

“…ABSTRACT We present new high-resolution and high-sensitivity studies of the jets in the WAT source 3C 465, using deep transverse-resolved radio observations…”
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The C-Band All-Sky Survey (C-BASS): constraining diffuse Galactic radio emission in the North Celestial Pole region by Dickinson, C, Barr, A, Chiang, H C, Copley, C, Grumitt, R D P, Harper, S E, Heilgendorff, H M, Jew, L R P, Jonas, J L, Jones, Michael E, Leahy, J P, Leech, J, Leitch, E M, Muchovej, S J C, Pearson, T J, Peel, M W, Readhead, A C S, Sievers, J, Stevenson, M A, Taylor, Angela C

“…ABSTRACT The C-Band All-Sky Survey (C-BASS) is a high sensitivity all-sky radio survey at an angular resolution of 45 arcmin and a frequency of 4.7 GHz. We…”
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The C-Band All-Sky Survey (C-BASS): design and implementation of the northern receiver by King, O. G., Jones, Michael E., Blackhurst, E. J., Copley, C., Davis, R. J., Dickinson, C., Holler, C. M., Irfan, M. O., John, J. J., Leahy, J. P., Leech, J., Muchovej, S. J. C., Pearson, T. J., Stevenson, M. A., Taylor, Angela C.

“…The C-Band All-Sky Survey is a project to map the full sky in total intensity and linear polarization at 5 GHz. The northern component of the survey uses a…”
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Transfer learning for radio galaxy classification by Tang, H, Scaife, A M M, Leahy, J P

“…ABSTRACT In the context of radio galaxy classification, most state-of-the-art neural network algorithms have been focused on single survey data. The question…”
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A multiband study of Hercules A — II. Multifrequency Very Large Array imaging by Gizani, Nectaria A. B., Leahy, J. P.

“…We have mapped the powerful radio galaxy Hercules A at six frequencies spanning 1295 to 8440 MHz using the Very Large Array (VLA) in all four configurations…”
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The Second Radio Synchrotron Background Workshop: Conference Summary and Report by Singal, J., Fornengo, N., Regis, M., Bernardi, G., Bordenave, D., Branchini, E., Cappelluti, N., Caputo, A., Carucci, I. P., Chluba, J., Cuoco, A., DiLullo, C., Fialkov, A., Hale, C., Harper, S. E., Heston, S., Holder, G., Kogut, A., Krause, M. G. H., Leahy, J. P., Mittal, S., Monsalve, R. A., Piccirilli, G., Pinetti, E., Recchia, S., Taoso, M., Todarello, E.

“…Abstract We summarize the second radio synchrotron background workshop, which took place on 2022 June 15–17 in Barolo, Italy. This meeting was convened because…”
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Assessing Climate Change Impacts and Risks on Three Salt Lakes in Western Victoria, Australia by Kirono, D. G. C, Kent, D. M, Jones, R. N, Leahy, P. J

“…Salt lakes are significant landscape features in Australia. The three studied lakes, in particular, are recognized as being of national (Gnotuk) and…”
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The C-Band All-Sky Survey (C-BASS): template fitting of diffuse galactic microwave emission in the northern sky by Harper, S E, Dickinson, C, Barr, A, Cepeda-Arroita, R, Grumitt, R D P, Heilgendorff, H M, Jew, L, Jonas, J L, Jones, M E, Leahy, J P, Leech, J, Pearson, T J, Peel, M W, Readhead, A C S, Taylor, A C

“…ABSTRACT The C-Band All-Sky Survey (C-BASS) has observed the Galaxy at 4.76 GHz with an angular resolution of 0${_{.}^{\circ}}$73 full-width half-maximum, and…”
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Detection of spectral variations of Anomalous Microwave Emission with QUIJOTE and C-BASS by Cepeda-Arroita, R, Harper, S E, Dickinson, C, Rubiño-Martín, J A, Génova-Santos, R T, Taylor, Angela C, Pearson, T J, Ashdown, M, Barr, A, Barreiro, R B, Casaponsa, B, Casas, F J, Chiang, H C, Fernandez-Cobos, R, Grumitt, R D P, Guidi, F, Heilgendorff, H M, Herranz, D, Jew, L R P, Jonas, J L, Jones, Michael E, Lasenby, A, Leech, J, Leahy, J P, Martínez-González, E, Peel, M W, Piccirillo, L, Poidevin, F, Readhead, A C S, Rebolo, R, Ruiz-Granados, B, Sievers, J, Vansyngel, F, Vielva, P, Watson, R A

“…ABSTRACT Anomalous Microwave Emission (AME) is a significant component of Galactic diffuse emission in the frequency range 10–$60\, \mathrm{GHz}$ and a new…”
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The deceleration of relativistic jets by entrainment by Bowman, M., Leahy, J. p., Komissarov, S. S.

“…Simulations are performed of steady, two-dimensional relativistic jets incorporating the effects of mass entrainment. The form used for the mass source is the…”
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A multiband study of Hercules A - I. ROSAT observations of the intracluster medium by Gizani, Nectaria A. B., Leahy, J. P.

“…We have made ROSAT Position Sensitive Proportional Counter (PSPC) and High Resolution Imager (HRI) X-ray observations to study the intracluster gas surrounding…”
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Chandra X-Ray Detection of the Radio Hot Spots of 3C 295 by Harris, D. E, Nulsen, P. E. J, Ponman, T. J, Bautz, M, Cameron, R. A, David, L. P, Donnelly, R. H, Forman, W. R, Grego, L, Hardcastle, M. J, Henry, J. P, Jones, C, Leahy, J. P, Markevitch, M, Martel, A. R, McNamara, B. R, Mazzotta, P, Tucker, W, Virani, S. N, Vrtilek, J

“…An observation of the radio galaxy 3C 295 during the calibration phase of the Chandra X-Ray Observatory reveals X-ray emission from the core of the galaxy,…”
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C-Band All-Sky Survey: a first look at the Galaxy by Irfan, M. O., Dickinson, C., Davies, R. D., Copley, C., Davis, R. J., Ferreira, P. G., Holler, C. M., Jonas, J. L., Jones, Michael E., King, O. G., Leahy, J. P., Leech, J., Leitch, E. M., Muchovej, S. J. C., Pearson, T. J., Peel, M. W., Readhead, A. C. S., Stevenson, M. A., Sutton, D., Taylor, Angela C., Zuntz, J.

“…We present an analysis of the diffuse emission at 5 GHz in the first quadrant of the Galactic plane using two months of preliminary intensity data taken with…”
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