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24 papers · 1 filter
GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey II: Galactic Plane ,
Natasha Hurley-Walker, Paul J. Hancock, Thomas M. O. Franzen +16
This work makes available a further 2,860deg of the GLEAM survey, covering half of the accessible Galactic Plane, across twenty frequency bands sampling MHz, with resol…
New candidate radio supernova remnants detected in the GLEAM survey over ,
Natasha Hurley-Walker, Miroslav D. Filipovic, Bryan M. Gaensler +18
We have detected 27 new supernova remnants (SNRs) using a new data release of the GLEAM survey from the Murchison Widefield Array (MWA) telescope, including the lowest surface-brig…
Candidate radio supernova remnants observed by the GLEAM survey over and
Natasha Hurley-Walker, Bryan M. Gaensler, Denis A. Leahy +18
We examined the latest data release from the GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey covering , $180^\circ < l < 240^\…
Mapping Spatial Variations of HI Turbulent Properties in the Small and Large Magellanic Cloud
Samuel Szotkowski, Delano Yoder, Snežana Stanimirović +6
We developed methods for mapping spatial variations of the spatial power spectrum (SPS) and structure function (SF) slopes, with a goal of connecting neutral hydrogen (HI) statisti…
Tracing the Formation of Molecular Clouds in a Low-Metallicity Galaxy: A HI Narrow Self-Absorption Survey of the Large Magellanic Cloud
Boyang Liu, Di Li, Lister Staveley-Smith +3
Cold atomic hydrogen clouds are the precursors of molecular clouds. Due to self-absorption, the opacity of cold atomic hydrogen may be high, and this gas may constitute an importan…
An ultra-wide bandwidth (704 to 4032 MHz) receiver for the Parkes radio telescope
G. Hobbs, R. N. Manchester, A. Dunning +69
We describe an ultra-wide-bandwidth, low-frequency receiver ("UWL") recently installed on the Parkes radio telescope. The receiver system provides continuous frequency coverage fro…
Molecular gas in the outflow of the Small Magellanic Cloud
Enrico M. Di Teodoro, N. M. McClure-Griffiths, C. De Breuck +7
We report the first evidence of molecular gas in two atomic hydrogen (HI) clouds associated with gas outflowing from the Small Magellanic Cloud (SMC). We used the Atacama Pathfinde…
The Arecibo L-band Feed Array Zone of Avoidance (ALFAZOA) Shallow Survey
Monica Sanchez-Barrantes, Patricia A. Henning, Travis McIntyre +9
The Arecibo L-band Feed Array Zone of Avoidance (ALFAZOA) Shallow Survey is a blind HI survey of the extragalactic sky behind the northern Milky Way conducted with the ALFA receive…
An ATCA Survey of HI Absorption in the Magellanic Clouds I: HI Gas Temperature Measurements in the Small Magellanic Cloud
Katherine Jameson, Naomi McClure-Griffiths, Boyang Liu +9
We present the first results from the Small Magellanic Cloud portion of a new Australia Telescope Compact Array (ATCA) HI absorption survey of both of the Magellanic Clouds, compri…
Searching for HI imprints in cosmic web filaments with 21-cm intensity mapping
Denis Tramonte, Yin-Zhe Ma, Yi-Chao Li +1
We investigate the possible presence of neutral hydrogen (HI) in intergalactic filaments at very low redshift (), by stacking a set of 274,712 2dFGRS galaxy pairs over…
WALLABY Early Science -- IV. ASKAP HI imaging of the nearby galaxy IC 5201
D. Kleiner, B. S. Koribalski, P. Serra +19
We present a Wide-field ASKAP L-Band Legacy All-sky Blind surveY (WALLABY) study of the nearby ( = 915 km s) spiral galaxy IC 5201 using the Australian Square K…
An accurate low-redshift measurement of the cosmic neutral hydrogen density
Wenkai Hu, Laura Hoppmann, Lister Staveley-Smith +7
Using a spectral stacking technique, we measure the neutral hydrogen (HI) properties of a sample of galaxies at across 35 pointings of the Westerbork Synthesis Radio Tel…
The Redshift Space Momentum Power Spectrum II: measuring the growth rate from the combined 2MTF and 6dFGSv surveys
Fei Qin, Cullan Howlett, Lister Staveley-Smith
Measurements of the growth rate of structure, in the low-redshift Universe allow stringent tests of the cosmological model. In this work, we provide new constraints on $fσ_{…
2MTF - VII. 2MASS Tully-Fisher survey final data release: distances for 2,062 nearby spiral galaxies
Tao Hong, Lister Staveley-Smith, Karen L. Masters +8
We present the final distance measurements for the 2MASS Tully-Fisher (2MTF) survey. The final 2MTF catalogue contains 2,062 nearby spiral galaxies in the CMB frame velocity range…
Robust profile decomposition for large extragalactic spectral-line surveys
Se-Heon Oh, Lister Staveley-Smith, Bi-Qing For
We present a novel algorithm that is based on a Bayesian Markov Chain Monte Carlo (MCMC) technique for performing robust profile analysis of a data cube from either single-dish or…
The Local Volume HI Survey (LVHIS)
Bärbel S. Koribalski, Jing Wang, Peter Kamphuis +8
The `Local Volume HI Survey' (LVHIS) comprises deep HI spectral line and 20-cm radio continuum observations of 82 nearby, gas-rich galaxies, supplemented by multi-wavelength images…
Murchison Widefield Array and XMM-Newton observations of the Galactic supernova remnant G5.9+3.1
D. Onić, M. D. Filipović, I. Bojičić +27
In this paper we discuss the radio continuum and X-ray properties of the so-far poorly studied Galactic supernova remnant (SNR) G5.9+3.1. We present the radio spectral energy distr…
Discovery of a Pulsar-powered Bow Shock Nebula in the Small Magellanic Cloud Supernova Remnant DEMS5
Rami Z. E. Alsaberi, C. Maitra, M. D. Filipovi'c +32
We report the discovery of a new Small Magellanic Cloud Pulsar Wind Nebula (PWN) at the edge of the Supernova Remnant (SNR)-DEM S5. The pulsar powered object has a cometary morphol…
The HI mass function in the Parkes HI Zone of Avoidance survey
Khaled Said, Renée C. Kraan-Korteweg, Lister Staveley-Smith
An HI mass function (HIMF) was derived for 751 galaxies selected from the deep Parkes HI survey across the Zone of Avoidance (HIZOA). HIZOA contains both the Great Attractor Wall a…
S-band Polarization All Sky Survey (S-PASS): survey description and maps
E. Carretti, M. Haverkorn, L. Staveley-Smith +9
We present the S-Band Polarization All Sky Survey (S-PASS), a survey of polarized radio emission over the southern sky at Dec~ taken with the Parkes radio telescope at…
Status and perspectives of the CRAFTS extra-galactic HI survey
Kai Zhang, Jingwen Wu, Di Li +15
The Five-hundred-meter Aperture Spherical radio Telescope(FAST) is expected to complete its commissioning in 2019. FAST will soon begin the Commensal Radio Astronomy FasT Survey(CR…
The large-scale environment from cosmological simulations II: The redshift evolution and distributions of baryons
Weiguang Cui, Alexander Knebe, Noam I. Libeskind +10
Following Cui et al. 2018 (hereafter Paper I) on the classification of large-scale environments (LSE) at z = 0, we push our analysis to higher redshifts and study the evolution of…
A new fast radio burst in the datasets containing the Lorimer burst
S. -B. Zhang, G. Hobbs, S. Dai +4
We report the discovery of a new fast radio burst (FRB), FRB~010312, in archival data from a 1.4\,GHz survey of the Magellanic Clouds using the multibeam receiver on the Parkes 64\…
WALLABY Early Science - II. The NGC 7232 galaxy group
K. Lee-Waddell, B. S. Koribalski, T. Westmeier +19
We report on neutral hydrogen (HI) observations of the NGC 7232 group with the Australian Square Kilometre Array Pathfinder (ASKAP). These observations were conducted as part of th…