Browsing by Author "Murphy, Tara"

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    • Discovery of an Extremely Short Duration Flare from Proxima Centauri Using Millimeter through FUV Observations 

      MacGregor, Meredith A.; Weinberger, Alycia J.; Loyd, R. O. Parke; Shkolnik, Evgenya; Barclay, Thomas; Howard, Ward S.; Zic, Andrew; Osten, Rachel A.; Cranmer, Steven R.; Kowalski, Adam F.; Lenc, Emil; Youngblood, Allison; Estes, Anna; Wilner, David J.; Forbrich, Jan; Hughes, Anna; Law, Nicholas M.; Murphy, Tara; Boley, Aaron; Matthews, Jaymie (2021-04-21)
      We present the discovery of an extreme flaring event from Proxima Cen by the Australian Square Kilometre Array Pathfinder (ASKAP), Atacama Large Millimeter/submillimeter Array (ALMA), Hubble Space Telescope (HST), Transiting ...

    • Gaia GraL: Gaia DR2 gravitational lens systems – VIII. A radio census of lensed systems 

      Dobie, Dougal; Sluse, Dominique; Deller, Adam; Murphy, Tara; Krone-Martins, Alberto; Stern, Daniel; Wang, Ziteng; Wang, Yuanming; Bœhm, Céline; Djorgovski, S G; Galluccio, Laurent; Delchambre, Ludovic; Connor, Thomas; den Brok, Jakob Sebastiaan; Do Vale Cunha, Pedro H; Ducourant, Christine; Graham, Matthew J; Jalan, Priyanka; Klioner, Sergei A; Klüter, Jonas; Mignard, François; Negi, Vibhore; Petit, Quentin; Scarano Sergio, Jr; Slezak, Eric; Surdej, Jean; Teixeira, Ramachrisna; Walton, Dominic J; Wambsganss, Joachim (2024-03-01)
      We present radio observations of 24 confirmed and candidate strongly lensed quasars identified by the Gaia Gravitational Lenses working group. We detect radio emission from eight systems in 5.5 and 9 GHz observations with ...

    • GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey I : A low-frequency extragalactic catalogue 

      Hurley-Walker, Natasha; Callingham, Joseph R.; Hancock, Paul J.; Franzen, Thomas M. O.; Hindson, Luke; Kapinska, Anna D.; Morgan, John; Offringa, Andre R.; Wayth, Randall B.; Wu, Chen; Zheng, Q.; Murphy, Tara; Bell, Martin E.; Dwarakanath, K. S.; For, Bi-Qing; Gaensler, Bryan M.; Johnston-Hollitt, Melanie; Lenc, Emil; Procopio, Pietro; Staveley-Smith, Lister; Ekers, Ron; Bowman, Judd D.; Briggs, Frank; Cappallo, R. J.; Deshpande, Avinash A.; Greenhill, Lincoln; Hazelton, Brynah J.; Kaplan, David L.; Lonsdale, Colin J.; McWhirter, S. R.; Mitchell, Daniel A.; Morales, Miguel F.; Morgan, Edward; Oberoi, Divya; Ord, Stephen M.; Prabu, T.; Shankar, N. Udaya; Srivani, K. S.; Subrahmanyan, Ravi; Tingay, Steven J.; Webster, Rachel L.; Williams, Andrew; Williams, Christopher L. (2017-01-01)
      Using the Murchison Widefield Array (MWA), the low-frequency Square Kilometre Array (SKA1 LOW) precursor located in Western Australia, we have completed the GaLactic and Extragalactic All-sky MWA (GLEAM) survey, and present ...

    • The MWA GLEAM 4Jy Sample; a new large, bright radio source sample at 151 MHz 

      Jackson, C A; Franzen, T M O; Seymour, N; White, S V; Murphy, Tara; Sadler, E M; Callingham, J R; Hunstead, R W; Hughes, J; Wall, J V; Bell, M E; Dwarakanath, K S; For, B-Q; Gaensler, B M; Hancock, P J; Hindson, L; Hurley-Walker, N; Johnston-Hollitt, M; Kapinska, A D; Lenc, E; McKinley, B; Morgan, J; Offringa, A R; Procopio, P; Staveley-Smith, L; Wayth, R B; Wu, C; Zheng, Q (2015-10-20)
      This paper outlines how the new GaLactic and Extragalactic All-sky MWA Survey (GLEAM, Wayth et al. 2015), observed by the Murchison Widefield Array covering the frequency range 72 - 231 MHz, allows identification of a new ...

    • A search for long-timescale, low-frequency radio transients 

      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.; For, B. -Q.; 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. (2017-04-11)
      We present a search for transient and highly variable sources at low radio frequencies (150-200 MHz) that explores long timescales of 1-3 years. We conducted this search by comparing the TIFR GMRT Sky Survey Alternative ...