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Related papers: Radio Planetary Nebulae in the Magellanic Clouds

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We present high-resolution observations made with the Australia Telescope Compact Array (ATCA) at 5.5 GHz and 9.0 GHz of a sample of twenty-eight massive protostars. These protostars were initially detected at radio wavelengths in the…

Astrophysics of Galaxies · Physics 2025-05-06 W. O Obonyo , M. G Hoare , S. L Lumsden , J. O. Chibueze , C. J. Ugwu

We present 5.5 and 9.0 GHz Australia Telescope Compact Array (ATCA) observations of the cluster MACSJ0417.5-1154, one of the most massive galaxy clusters and one of the brightest in X-ray in the Massive Cluster Survey (MACS). We estimate…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-04 Pritpal Sandhu , Siddharth Malu , Ramij Raja , Abhirup Datta

Australia Telescope Compact Array (ATCA) observations in sky regions selected to be low in foreground confusion have been used to infer limits on arcmin-scale CMB anisotropy in total intensity and polarization. These deep searches have,…

Astrophysics · Physics 2007-05-23 Ravi Subrahmanyan

The radio emission from the youngest known Planetary nebula, SAO244567, has been mapped at 20,13, 6, 3.6 and 1.2 cm by using the Australian Telescope Compact Array (ATCA). These observations constitute the first detailed radio study of this…

Astrophysics · Physics 2007-05-23 C. Trigilio , G. Umana , L. Cerrigone

H\alpha and [O III] narrow band, wide field (7 * 7 degree), CCD images of the Small Magellanic Cloud were compared and a catalogue of candidate planetary nebulae and H\alpha emission-line stars was compiled. The catalogue contains 131…

Astrophysics · Physics 2009-10-31 Michael T. Murphy , Michael S. Bessell

We review the evolution of our understanding of the planetary nebulae phenomenon and their place in the scheme of stellar evolution. The historical steps leading to our current understanding of central star evolution and nebular formation…

Solar and Stellar Astrophysics · Physics 2024-08-14 Sun Kwok

Pulsating variable stars can be powerful tools to study the structure, formation and evolution of galaxies. I discuss the role that the Magellanic Clouds' pulsating variables play in our understanding of the whole Magellanic System, in…

Cosmology and Nongalactic Astrophysics · Physics 2016-01-27 Gisella Clementini

We present first results from the analysis of a sample of 14 planetary nebulae with [WC] nucleus with detected faint carbon and oxygen recombination lines (RLs). The results are based on deep echelle spectra obtained with MIKE on the 6.5 m…

Astrophysics of Galaxies · Physics 2011-02-02 J. García-Rojas , M. Peña , M. T. Ruiz

The planetary nebula M94--20 in the Large Magellanic Cloud was serendipitously observed with the Space Telescope Imaging Spectrograph on board the Hubble Space Telescope as part of the Hubble Space Telescope Archival Pure Parallel Program.…

Astrophysics · Physics 2009-10-31 Philip Plait , Theodore R. Gull

We present radio observations of two supernova remnants and four planetary nebulae with the Very Large Array and the Green Bank Telescope. These objects are part of a larger sample of radio sources, discussed in a previous paper,…

Instrumentation and Methods for Astrophysics · Physics 2014-10-07 Adriano Ingallinera , Corrado Trigilio , Grazia Umana , Paolo Leto , Claudia Agliozzo , Carla Buemi

Powerful new, high resolution, high sensitivity, multi-frequency, wide-field radio surveys such as the Australian Square Kilometre Array Pathfinder (ASKAP) Evolutionary Map of the Universe (EMU) are emerging. They will offer fresh…

Astrophysics of Galaxies · Physics 2021-03-17 I. S. Bojicic , M. D. Filipovic , D. Urosevic , Q. A. Parker , T. Galvin

Radio measurements of rich Abell clusters of galaxies have been collected both from radio source catalogues and dedicated publications. By gathering these data for every cluster, complemented by optical data, an overall picture of each…

Astrophysics · Physics 2007-05-23 A. G. Gubanov , H. Andernach

The Magellanic Clouds are a stepping stone from the overwhelming detail of the Milky Way in which we are immersed, to the global characteristics of galaxies both in the nearby and distant universe. They are interacting, gas-rich dwarf…

Astrophysics of Galaxies · Physics 2010-09-06 Jacco Th. van Loon , The GASKAP Team , The MagiKAT Team

Close binary central stars of planetary nebulae (PNe) must have formed through a common envelope evolution during the giant phase experienced by one of the stars. Transfer of the angular momentum from the binary system to the envelope leads…

Solar and Stellar Astrophysics · Physics 2023-11-27 M. Gładkowski , M. Hajduk , R. Smolec , R. Szczerba , I. Soszyński

We present a radio-continuum survey of the LMC using the MeerKAT telescope, describe the full-Stokes products included in the first data release, and highlight some initial results. The observations are centred at 1.3 GHz with a bandwidth…

We present new observations of the Mystic Mountains cloud complex in the Carina Nebula using the ALMA Atacama Compact Array (ACA) to quantify the impact of strong UV radiation on the structure and kinematics of the gas. Our Band~6…

Astrophysics of Galaxies · Physics 2023-09-13 Megan Reiter , P. D. Klaassen , L. Moser-Fischer , A. F. McLeod , D. Itrich

We present observations of the pulsar-wind nebula (PWN) region ofSNR 0540-69.3. The observations were made with the Atacama Compact Array (ACA) in Bands 4 and 6. We also add radio observations from the Australia Compact Array (ATCA) at 3…

High Energy Astrophysical Phenomena · Physics 2020-06-24 P. Lundqvist , N. Lundqvist , C. Vlahakis , C. -I. Björnsson , J. R. Dickel , M. Matsuura , Yu. A. Shibanov , D. A. Zyuzin , G. Olofsson

The N206 supernova remnant (SNR) in the Large Magellanic Cloud (LMC) has long been considered a prototypical "mixed morphology" SNR. Recent observations, however, have added a new twist to this familiar plot: an elongated, radially-oriented…

We have used the Wide Field Spectrograph on the Australian National University 2.3-m telescope to perform the integral field spectroscopy for a sample of the Galactic planetary nebulae. The spatially resolved velocity distributions of the…

Astrophysics of Galaxies · Physics 2016-03-09 A. Danehkar , Q. A. Parker

We have extended our PNe survey to the outer ~64deg^2 of the LMC using maps from the Magellanic Cloud Emission Line Survey (MCELS) and the UK Schmidt Telescope (UKST) H-alpha survey. Although the MCELS survey has poorer ~5 arcsecond…

Astrophysics of Galaxies · Physics 2015-06-17 Warren A. Reid , Quentin A. Parker
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