Browsing by Author "Lenc, Emil"

Now showing items 1-6 of 6

    • 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 ...

    • 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 ...

    • Low frequency observations of linearly polarized structures in the interstellar medium near the south Galactic pole 

      Lenc, Emil; 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.; Kapinska, 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. (2016-10-10)
      We present deep polarimetric observations at 154 MHz with the Murchison Widefield Array (MWA), covering 625 deg^2 centered on RA=0 h, Dec=-27 deg. The sensitivity available in our deep observations allows an in-band, ...

    • The Murchison Widefield Array Commissioning Survey : A Low-Frequency Catalogue of 14,110 Compact Radio Sources over 6,100 Square Degrees 

      Hurley-Walker, Natasha; Morgan, John; Wayth, Randall B.; Hancock, Paul J.; Bell, Martin E.; Bernardi, Gianni; Bhat, Ramesh; Briggs, Frank; Deshpande, Avinash A.; Ewall-Wice, Aaron; Feng, Lu; Hazelton, Bryna J.; Hindson, Luke; Jacobs, Daniel C.; Kudryavtseva, David L. Kaplan Nadia; Lenc, Emil; McKinley, Benjamin; Mitchell, Daniel; Pindor, Bart; Procopio, Pietro; Oberoi, Divya; Offringa, André; Ord, Stephen; Riding, Jennifer; Bowman, Judd D.; Cappallo, Roger; Corey, Brian; Emrich, David; Gaensler, B. M.; Goeke, Robert; Greenhill, Lincoln; Hewitt, Jacqueline; Johnston-Hollitt, Melanie; Kasper, Justin; Kratzenberg, Eric; Lonsdale, Colin; Lynch, Mervyn; McWhirter, Russell; Morales, Miguel F.; Morgan, Edward; Prabu, Thiagaraj; Rogers, Alan; Roshi, Anish; Shankar, Udaya; Srivani, K.; Subrahmanyan, Ravi; Tingay, Steven; Waterson, Mark; Webster, Rachel; Whitney, Alan; Williams, Andrew; Williams, Chris (2014-11-14)
      We present the results of an approximately 6,100 square degree 104--196MHz radio sky survey performed with the Murchison Widefield Array during instrument commissioning between 2012 September and 2012 December: the Murchison ...

    • Optical detection of the Pictor A jet and tidal tail : evidence against an IC/CMB jet 

      Gentry, Eric S.; Marshall, Herman L.; Hardcastle, M.J.; Perlman, Eric S.; Birkinshaw, Mark; Worrall, Diana M.; Lenc, Emil; Siemiginowska, Aneta; Urry, C. Megan (2015-07-20)
      New images of the FR II radio galaxy Pictor A from the Hubble Space Telescope reveal a previously undiscovered tidal tail, as well as a number of jet knots coinciding with a known X-ray and radio jet. The tidal tail is ...

    • 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 ...