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相关论文: Observational Constraints on Superbubble X-ray Ene…

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In a previous paper we investigated the energy transfer of massive stars to the interstellar medium as a function of time and the geometrical configuration of three massive stars via 3D-mesh-refining hydrodynamics simulations, following the…

星系天体物理 · 物理学 2014-07-02 Martin Krause , Roland Diehl , Hans Böhringer , Michael Freyberg , Daniel Lubos

In this work, we present a comprehensive X-ray picture of the interaction between a super star cluster and the ISM. In order to do that, we compare and combine the X-ray emission from the superwind driven by the cluster with the emission…

宇宙学与河外天体物理 · 物理学 2011-02-11 G. A. Añorve-Zeferino , G. Tenorio-Tagle , S. Silich

Aims: We study the diffuse X-ray emission observed in the field of view of the pulsar B 0540-69 in the Large Magellanic Cloud (LMC) by XMM-Newton. We want to understand the nature of this soft diffuse emission, which coincides with the…

高能天体物理现象 · 物理学 2015-05-20 Manami Sasaki , Dieter Breitschwerdt , Verena Baumgartner , Frank Haberl

We present an analysis of XMM-Newton observations of the superbubble 30 Dor C and compare the results with the predictions from the standard wind-blown bubble model. We find that the observed X-ray spectra cannot be fitted satisfactorily…

天体物理学 · 物理学 2014-10-13 David A. Smith , Q. Daniel Wang

The superbubbles (SBs) carved in the interstellar medium by stellar winds and supernovae (SNe) are filled with hot ($T>$10$^{6}$~K) gas that produces soft X-ray emission (0.3-2.0\,keV). Models that assume a constant density medium and…

高能天体物理现象 · 物理学 2023-10-04 Rogelio Orozco-Duarte , Guillermo García-Segura , Aida Wofford , Jesús A. Toalá

We present a study of the diffuse X-ray emission from superbubbles N 70 (DEM L301) and N 185 (DEM L25) located in the Large Magellanic Cloud, based on data from the XMM-Newton Satellite. We obtained spectra and images of these objects in…

We present ROSAT observations and analysis of thirteen superbubbles in the Large Magellanic Cloud. Eleven of these observations have not been previously reported. We have studied the X-ray morphology of the superbubbles, and have extracted…

天体物理学 · 物理学 2014-10-13 Bryan C. Dunne , Sean D. Points , You-Hua Chu

Interstellar bubbles appear to be smaller in observations than expected from calculations. Instabilities at the shell boundaries create three-dimensional ef- fects, and are probably responsible for part of this discrepancy. We investigate…

星系天体物理 · 物理学 2015-06-23 Martin G. H. Krause , Roland Diehl

The X-ray emission properties from the hot thermalized plasma that results from the collisions of individual stellar winds and supernovae ejecta within rich and compact star clusters are discussed. We propose a simple analytical way of…

天体物理学 · 物理学 2009-11-13 Sergiy Silich , Guillermo Tenorio-Tagle , Gabriel Alejandro Anorve Zeferino

Superbubbles surrounding OB associations provide ideal laboratories to study the stellar energy feedback problem because the stellar energy input can be estimated from the observed stellar content of the OB associations and the interstellar…

天体物理学 · 物理学 2014-10-13 R. L. Cooper , M. A. Guerrero , Y. -H. Chu , C. -H. R. Chen , B. C. Dunne

Bright X-ray emission has been detected in superbubbles in the Large Magellanic Cloud (LMC), and it is suggested that supernova remnants (SNRs) near the inner shell walls are responsible for this X-ray emission. To identify SNR shocks in…

天体物理学 · 物理学 2007-05-23 C. -H. Rosie Chen , You-Hua Chu , Robert A. Gruendl , Sean D. Points

The morphology, dynamics and thermal X-ray emission of the superbubble N70 is studied by means of 3D hydrodynamical simulations, carried out with the {\sc{yguaz\'u-a}} code. We have considered different scenarios: the superbubble being the…

We consider the dynamics of and emission from growing superbubbles in a stratified interstellar gaseous disc driven by energy release from supernovae explosions in stellar clusters with {masses $M_{cl}= 10^5-1.6\times 10^6~M_\odot$}.…

We obtained a long ROSAT HRI observation of the nearby dwarf starburst and Wolf-Rayet galaxy NGC 5253. Our aim was to resolve the source of the soft thermal X-ray emission seen by the ROSAT PSPC, proposed to be a luminous superbubble by…

天体物理学 · 物理学 2009-10-31 David K. Strickland , Ian R. Stevens

The Local Bubble (LB) is a hot, low-density cavity in the solar neighborhood, inside which the Solar System is currently located. The X-ray emission from such bubbles is strongly governed by the gas density, temperature, and the effects of…

AIMS. We study and discuss the time-dependent X-ray emission predicted by hydrodynamic modeling of the interaction of a SNR shock wave with an interstellar gas cloud. The scope includes: 1) to study the correspondence between modeled and…

天体物理学 · 物理学 2009-11-11 S. Orlando , F. Bocchino , G. Peres , F. Reale , T. Plewa , R. Rosner

We present a study of the diffuse X-ray emission from the star forming region LMC-N 57 in the Large Magellanic Cloud (LMC). We use archival XMM-Newton observations to unveil in detail the distribution of hot bubbles in this complex. X-ray…

星系天体物理 · 物理学 2020-01-08 I. Ramírez-Ballinas , J. Reyes-Iturbide , J. A. Toalá , M. Rosado

Energetic winds and radiation from massive star clusters push the surrounding gas and blow superbubbles in the interstellar medium (ISM). Using 1-D hydrodynamic simulations, we study the role of radiation in the dynamics of superbubbles…

星系天体物理 · 物理学 2016-08-17 Siddhartha Gupta , Biman B. Nath , Prateek Sharma , Yuri Shchekinov

Interstellar superbubbles generated by multiple supernova explosions are common in star-forming galaxies. They are the most obvious manifestation of mechanical feedback, and are largely responsible for transferring both thermal and kinetic…

天体物理学 · 物理学 2009-11-13 M. S. Oey

The ambient interstellar environment of wind- and supernova-driven superbubbles strongly affects their evolution, but its properties are rarely well-determined. We have therefore obtained HI aperture synthesis imaging of the environment…

天体物理学 · 物理学 2009-11-07 M. S. Oey , B. Groves , L. Staveley-Smith , R. C. Smith
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