Browsing Research publications by Author "Hindson, Luke"
Now showing items 1-15 of 15
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Extragalactic Peaked-Spectrum Radio Sources at Low Frequencies
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, Luke; 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. (2017-02-20)We present a sample of 1,483 sources that display spectral peaks between 72 MHz and 1.4 GHz, selected from the GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey. The GLEAM survey is the widest ... -
The G305 star-forming complex : a wide-area radio survey of ultracompact H ii regions
Hindson, Luke; Thompson, M. A.; Urquhart, J.S.; Faimali, A.; Clark, J. S.; Davies, B. (2012-04)We present wide-area radio continuum 5.5 and 8.8 GHz (5.5 and 3.4 cm) Australia Telescope Compact Array observations of the complex and rich massive star-forming region G305. The aim of this study is to perform an un-targeted ... -
The G305 star-forming complex : embedded massive star formation discovered by Herschel Hi-GAL
Faimali, A.; Thompson, M.A.; Hindson, Luke; Urquhart, J.S.; Pestalozzi, M.; Carey, S.; Shenoy, S.; Veneziani, M.; Molinari, S.; Clark, J.S. (2012-10-11) -
The G305 star-forming complex : radio continuum and molecular line observations
Hindson, Luke; Thompson, Mark; Urquhart, J.S.; Faimali, Alessandro; Johnston-Hollitt, M.; Clark, J. S.; Davies, B. (2013-11-01)We present 109–115 GHz (3 mm) wide-field spectral line observations of 12CO, 13CO and C18O J = 1–0 molecular emission and 5.5 and 8.8 GHz (6 and 3 cm) radio continuum emission towards the high-mass star-forming complex ... -
The G305 star-forming complex : the central star clusters Danks 1 and Danks 2
Davies, B.; Clark, J.S.; Trombley, C.; Figer, D. F.; Najarro, F.; Crowther, P.A.; Kudritzki, R.P.; Thompson, M.; Urquhart, J.S.; Hindson, Luke (2012)The G305 H ii complex (G305.4+0.1) is one of the most massive star-forming structures yet identified within the Galaxy. It is host to many massive stars at all stages of formation and evolution, from embedded molecular ... -
The G305 star-forming complex : wide-area molecular mapping of NH3 and H2O masers
Hindson, Luke; Thompson, M.A.; Urquhart, J.S.; Clark, J.S.; Davies, B. (2010)We present wide-area radio (12 mm) Mopra telescope observations of the complex and rich massive star-forming region G305. Our goals are to determine the reservoir for star formation within G305 using NH3 to trace the dense ... -
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 ... -
Model Spectra of Hot Subdwarfs for the Gaia Mission
Hindson, Luke; Napiwotzki, R.; Heber, U.; Lemke, M. (Astronomical Society of the Pacific, 2008)The Gaia mission will provide an unprecedented 3D view of our galaxy, it will obtain astrometric, photometric and spectrographic data for roughly one billion stars. We are particularly interested in the treasure chest of ... -
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 ... -
New insights into the interstellar medium of the dwarf galaxy IC 10 : connection between magnetic fields, the radio--infrared correlation and star formation
Basu, Aritra; Roychowdhury, Sambit; Heesen, Volker; Beck, Rainer; Brinks, Elias; Westcott, Jonathan; Hindson, Luke (2017-10-11)We present the highest sensitivity and angular resolution study at 0.32 GHz of the dwarf irregular galaxy IC\,10, observed using the Giant Metrewave Radio Telescope, probing $\sim45$ pc spatial scales. We find the ... -
A Radio Continuum Study of Dwarf Galaxies : 6 cm imaging of Little Things
Hindson, Luke; Kitchener, Ged; Brinks, Elias; Heesen, Volker; Westcott, Jonathan; Hunter, Deidre; Zhang, Hong-Xin; Rupen, Michael; Rau, Urvashi (2018-02-01)In this paper, we examine to what extent the radio continuum can be used as an extinction-free probe of star formation in dwarf galaxies. To that aim, we observe 40 nearby dwarf galaxies with the Very Large Array at 6 cm ... -
Serendipitous discovery of a dying Giant Radio Galaxy associated with NGC 1534, using the Murchison Widefield Array
Hurley-Walker, Natasha; Johnston-Hollitt, Melanie; Ekers, Ron; Hunstead, Richard; Sadler, Elaine M.; Hindson, Luke; Hancock, Paul; Bernardi, Gianni; Bowman, Judd D.; Briggs, Frank; Cappallo, Roger; Corey, Brian; Deshpande, Avinash A.; Emrich, David; Gaensler, Bryan M.; Goeke, Robert; Greenhill, Lincoln; Hazelton, Bryna J.; Hewitt, Jacqueline; Kaplan, David L.; Kasper, Justin; Kratzenberg, Eric; Lonsdale, Colin; Lynch, Mervyn; Mitchell, Daniel; McWhirter, Russell; Morales, Miguel; Morgan, Edward; Oberoi, Divya; Offringa, Andre; Ord, Stephen; Prabu, Thiagaraj; Rogers, Alan; Roshi, Anish; Shankar, Udaya; Srivani, K.; Subrahmanyan, Ravi; Tingay, Steven; Waterson, Mark; Wayth, Randall B.; Webster, Rachel; Whitney, Alan; Williams, Andrew; Williams, Chris (2015-03-01)Recent observations with the Murchison Widefield Array at 185~MHz have serendipitously unveiled a heretofore unknown giant and relatively nearby ($z = 0.0178$) radio galaxy associated with NGC\,1534. The diffuse emission ... -
A Spatially Resolved Radio Spectral Index Study of the Dwarf Irregular Galaxy NGC\,1569
Westcott, Jonathan; Brinks, Elias; Hindson, Luke; Beswick, Robert; Heesen, Volker (2018-04-21)We study the resolved radio continuum spectral energy distribution of the dwarf irregular galaxy, NGC 1569, on a beam-by-beam basis to isolate and study its spatially resolved radio emission characteristics. Utilizing ... -
Spectral energy distribution and radio halo of NGC253 at low radio frequencies
Kapinska, 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, Luke; 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. (2017-03-27)We present new radio continuum observations of NGC253 from the Murchison Widefield Array at frequencies between 76 and 227 MHz. We model the broadband radio spectral energy distribution for the total flux density of NGC253 ... -
A study of halo and relic radio emission in merging clusters using the Murchison Widefield Array
George, L. T.; Dwarakanath, K. S.; Johnston-Hollitt, M.; Intema, H. T.; Hurley-Walker, N.; Bell, M. E.; Callingham, J. R.; For, Bi-Qing; Gaensler, B.; Hancock, P. J.; Hindson, Luke; Kapińska, A. D.; Lenc, E.; McKinley, B.; Morgan, J.; Offringa, A.; Procopio, P.; Staveley-Smith, L.; Wayth, R. B.; Wu, Chen; Zheng, Q. (2017-05-01)We have studied radio haloes and relics in nine merging galaxy clusters using the Murchison Widefield Array (MWA). The images used for this study were obtained from the GaLactic and Extragalactic All-sky MWA (GLEAM) Survey ...