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Related papers: Radio Planetary Nebulae in the Magellanic Clouds

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The recent HST optical images, and the optical and ultraviolet spectra, of Magellanic planetary nebulae (PNe), together with the large data-base that has been collected in the past decade, allows unprecedented insight in the evolution of…

Astrophysics · Physics 2007-05-23 Letizia Stanghellini

We present new radio continuum images and a source catalogue from the MeerKAT survey in the direction of the Small Magellanic Cloud (SMC). The observations, at a central frequency of 1.3 GHz across a bandwidth of 0.8 GHz, encompass a field…

We present optical, radio and X-ray data that confirm a new supernova remnant (SNR) in the Large Magellanic Cloud (LMC) discovered using our deep H-alpha imagery. Optically, the new SNR has a somewhat filamentary morphology and a diameter…

Astrophysics of Galaxies · Physics 2016-03-08 Warren A. Reid , Milorad Stupar , Luke M. Bozzetto , Quentin A. Parker , Miroslav D. Filipovic

Recent optical astrometric and spectroscopic surveys have identified numerous neutron star (NS) candidates in non-accreting detached binary systems, but their compact-object nature remains unconfirmed. In this work, we present targeted…

High Energy Astrophysical Phenomena · Physics 2025-11-26 Shi-Jie Gao , Xiang-Dong Li , Song Wang , Kareem El-Badry , De-Jiang Zhou , Yi-Xuan Shao , Zhen Yan , Pei Wang , Ping Zhou , Jin-Lin Han

Planetary Nebulae (PNs) in the Magellanic Clouds offer the unique opportunity to study both the population and evolution of low- and intermediate-mass stars, in an environment that is free of the distance scale bias and the differential…

Astrophysics · Physics 2007-05-23 Letizia Stanghellini

We present a study on the central stars (CSs) of Planetary Nebulae (PNe) observed in the Small Magellanic Cloud (SMC) with the Space Telescope Imaging Spectrograph instrument on-board the HST. The stellar magnitudes have been measured using…

Astrophysics · Physics 2009-11-10 Eva Villaver , Letizia Stanghellini , Richard A. Shaw

The Large Magellanic Cloud (LMC) is an irregular satellite galaxy of the Milky Way, which has been observed extensively in Very-High-Energy (VHE) gamma rays with the H.E.S.S. telescopes since 2004 and reaches now a total observation time of…

High Energy Astrophysical Phenomena · Physics 2020-01-23 Nukri Komin , Maria Haupt , H. E. S. S. Collaboration

We have obtained multi-wavelength observations of compact Galactic planetary nebulae (PNe) to probe post-Asymptotic Giant Branch (AGB) evolution from the onset of nebular ejection. We analyze new observations from HST to derive the masses…

Solar and Stellar Astrophysics · Physics 2016-09-07 Manuel Moreno-Ibáñez , Eva Villaver , Richard A. Shaw , Letizia Stanghellini

We present a radio survey of X-ray sources in the Large and Small Magellanic clouds with the Australia Telescope Compact Array at 6.3 and 3.5 cm. Specifically, we have observed the fields of five LMC and two SMC supersoft X-ray sources, the…

Astrophysics · Physics 2009-10-30 R. P. Fender , K. Southwell , A. K. Tzioumis

We present a comprehensive study of the X-ray emission from SNR 0453-68.5 in the Large Magellanic Cloud (LMC) as seen from the \textit{Chandra} X-ray Observatory. This object is in a class of composite remnants that exhibit a shell of…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Randall L. McEntaffer , Thomas Brantseg , Morgan Presley

Detailed 4.8- and 8.6-GHz radio images of the entire Large Magellanic Cloud with half-power beamwidths of 33" at 4.8 GHz and 20" at 8.6 GHz have been obtained using the Australia Telescope Compact Array. A total of 7085 mosaic positions…

Astrophysics · Physics 2008-11-26 J. R. Dickel , V. J. McIntyre , R. A. Gruendl , D. K. Milne

Extragalactic Planetary Nebulae (PNe) are not only useful as distance signposts or as tracers of the dark-matter content of their host galaxies, but constitute also good indicators of the main properties of their parent stellar populations.…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-19 Marc Sarzi , Gary Mamon , Michele Cappellari , Eric Emsellem , Roland Bacon , Roger L. Davies , P. Tim de Zeeuw

We present the results of a pair of 100 ksec Chandra observations in the Small Magellanic Cloud to survey high mass X-ray binaries (HMXBs), stars and LMXBs/CVs down to Lx = 4.3 x 10^32 erg/s The two SMC Deep Fields are located in the most…

Astrophysics · Physics 2014-08-05 Silas Laycock , Andreas Zezas , Jaesub Hong , Jeremy Drake , Valsamo Antoniou

We have developed a method to identify planetary nebula (PN) candidates in imaging data of the Sloan Digital Sky Survey (SDSS). This method exploits the SDSS' five-band sampling of emission lines in PN spectra, which results in a color…

Astrophysics of Galaxies · Physics 2015-06-17 A. Y. Kniazev , E. K. Grebel , D. B. Zucker , H-W. Rix , D. Martinez-Delgado , S. A. Snedden

We construct the most complete sample of supernova remnants (SNRs) in any galaxy - the Large Magellanic Cloud (LMC) SNR sample. We study their various properties such as spectral index ($\alpha$), size and surface-brightness. We suggest an…

We describe a moderate-resolution FUSE survey of H2 along 70 sight lines to the Small and Large Magellanic Clouds, using hot stars as background sources. FUSE spectra of 67% of observed Magellanic Cloud sources (52% of LMC and 92% of SMC)…

Studies of the relationship between planetary nebula morphology and the evolution of the central stars has long suffered from uncertainties in distance determinations, and from the bias of interstellar absorption, that are typical for…

Astrophysics · Physics 2007-05-23 L. Stanghellini , R. A. Shaw , J. C. Blades , B. Balick

High-energy radiation of young pulsar wind nebulae (PWNe) is known to be variable. This is most prominently exemplified by the Crab nebula which can undergo both rapid brightenings and dimmings. Two pulsars in the Large Magellanic Cloud,…

High Energy Astrophysical Phenomena · Physics 2023-02-27 B. A. Nizamov , M. S. Pshirkov

The Magellanic Clouds host a large population of high-mass X-ray binary (HMXB) systems, but although the Large Magellanic Cloud (LMC) is an order of magnitude more massive than the Small Magellanic Cloud, significantly fewer HMXBs are…

Solar and Stellar Astrophysics · Physics 2022-06-08 F. Haberl , C. Maitra , G. Vasilopoulos , P. Maggi , A. Udalski , I. M. Monageng , D. A. H. Buckley

Planetary nebulae (PNe) are an important tool for studying the dynamics and chemical evolution of galaxies in the Local Universe, given their characteristic, bright emission line spectra. The Andromeda Galaxy (M31) provides a unique…

Astrophysics of Galaxies · Physics 2018-11-07 Anqi Li , Zhiyuan Li , Hui Dong , Xuan Fang , Xiaojie Xu
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