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相关论文: Submillimeter observations of molecular gas intera…

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Supernova remnants (SNRs) exert strong influence on the physics and chemistry of the nearby molecular clouds (MCs) through shock waves and the cosmic rays (CRs) they accelerate. To investigate the SNR-cloud interaction in the prototype…

星系天体物理 · 物理学 2024-03-21 Tian-Yu Tu , Yang Chen , Ping Zhou , Samar Safi-Harb

Supernova remnants (SNRs) can exert strong influence on molecular clouds (MCs) through interaction by shock wave and cosmic rays. In this paper, we present our mapping observation of HCO+ and HCN 1-0 lines towards 13 SNRs interacting with…

星系天体物理 · 物理学 2024-11-15 Tian-Yu Tu , Yang Chen , Qian-Cheng Liu

The W28 supernova remnant is an excellent prototype for observing shocked gas resulting from the interaction of supernova remnants (SNRs) and adjacent molecular clouds (MCs). We present two new signatures of shocked molecular gas in this…

天体物理学 · 物理学 2016-08-30 F. Yusef-Zadeh , M. Wardle , D. A. Roberts

Core-collapse supernova (SN) explosions may occur in the highly inhomogeneous molecular clouds (MCs) in which their progenitors were born. We perform a series of 3-dimensional hydrodynamic simulations to model the interaction between an…

高能天体物理现象 · 物理学 2018-10-17 Dong Zhang , Roger A. Chevalier

Shock waves from supernova remnants (SNRs) have strong influence on the physical and chemical properties of molecular clouds (MCs). Shocks propagating into magnetized MCs can be classified into "jump" J-shock and "continuous" C-shock. The…

星系天体物理 · 物理学 2025-01-22 Tian-Yu Tu , Valentine Wakelam , Yang Chen , Ping Zhou , Qian-Qian Zhang

Context. Observing supernova remnants (SNRs) and modelling the shocks they are associated with is the best way to quantify the energy SNRs re-distribute back into the Interstellar Medium (ISM). Aims. We present comparisons of shock models…

星系天体物理 · 物理学 2015-06-04 A. Gusdorf , S. Anderl , R. Guesten , J. Stutzki , H-W. Huebers , P. Hartogh , S. Heyminck , Y. Okada

High resolution millimeter-wave and near-infrared observations of the supernova remnants W28 and W44 reveal extensive shocked molecular gas where supernova blast waves are propagating into giant molecular clouds. New CO observations were…

天体物理学 · 物理学 2014-10-13 William T. reach , Jeonghee Rho , T. H. Jarrett

Supernova remnants (SNRs) are considered as being the sources of galactic cosmic rays. In order to understand the origin, acceleration, and composition of these cosmic rays, detailed knowledge of the physical conditions in the local…

星系天体物理 · 物理学 2015-03-24 Sibylle Anderl , Antoine Gusdorf , Rolf Güsten

We have carried out CO J=2-1 and CO J=3-2 observations toward Tycho's supernova remnant (SNR) using the KOSMA 3m-Telescope. From these observations we identified three molecular clouds (MCs) around the SNR. The small cloud in the southwest…

太阳与恒星天体物理 · 物理学 2015-05-20 Jin-Long Xu , Jun-Jie Wang , Martin Miller

We present molecular spectroscopy toward 50 Galactic supernova remnants (SNRs) taken at millimeter wavelengths in 12CO and 13CO J=2-1 with the Heinrich Hertz Submillimeter Telescope as part of a systematic survey for broad molecular line…

太阳与恒星天体物理 · 物理学 2016-01-20 Charles D. Kilpatrick , John H. Bieging , George H. Rieke

We have used the Karl G. Jansky Very Large Array (VLA) to search for 36 GHz and 44 GHz methanol (CH3OH) lines in a sample of 21 Galactic supernova remnants (SNRs). Mainly the regions of the SNRs with 1720 MHz OH masers were observed.…

星系天体物理 · 物理学 2015-06-18 Y. M. Pihlström , L. O. Sjouwerman , D. A. Frail , M. J. Claussen , R. A. Mesler , B. C. McEwen

We present molecular-line observations at millimetre, centimetre and infrared wavelengths of the region containing OH(1720 MHz) masers in the supernova remnant (SNR) G349.7+0.2, using the Australia Telescope (AT) Mopra antenna, the…

天体物理学 · 物理学 2011-04-20 J. S. Lazendic , M. Wardle , J. B. Whiteoak , M. G. Burton , A. J. Green

Aims. The interaction of supernova remnants (SNRs) with molecular clouds gives rise to strong molecular emission in the far-IR and sub-mm wavelength regimes. The application of MHD shock models in the interpretation of this line emission…

星系天体物理 · 物理学 2014-10-01 S. Anderl , A. Gusdorf , R. Güsten

We present 7mm Mopra observations of the dense molecular gas towards the W28 supernova remnant (SNR) field, following a previous 12mm line survey of this region. These observations take advantage of the 7mm beam size to probe the dense and…

高能天体物理现象 · 物理学 2015-05-30 B. P. Nicholas , G. Rowell , M. G. Burton , A. J. Walsh , Y. Fukui , A. Kawamura , N. I. Maxted

We present 12mm Mopra observations of dense molecular gas towards the W28 supernova remnant (SNR) field. The focus is on the dense molecular gas towards the TeV gamma-ray sources detected by the H.E.S.S. telescopes, which likely trace the…

星系天体物理 · 物理学 2015-05-20 B. Nicholas , G. Rowell , M. G. Burton , A. Walsh , Y. Fukui , A. Kawamura , S. Longmore , E. Keto

The environment of supernova remnants (SNRs) is a key factor in their evolution, particularly at later stages of their existence. It is often assumed that mixed-morphology (MM) SNRs evolve in very dense environments, and that their…

高能天体物理现象 · 物理学 2019-07-03 Maria Arias , Vladimir Domcek , Ping Zhou , Jacco Vink

In recent works, through observations of molecular lines, we found that the supernova remnant (SNR) G18.8+0.3 is interacting with a molecular cloud towards its southern edge. Also it has been proven the presence of several neighboring HII…

太阳与恒星天体物理 · 物理学 2016-06-02 M. Celis Peña , Sergio Paron

The giant molecular clouds (MCs) found in the Milky Way and similar galaxies play a crucial role in the evolution of these systems. The supernova explosions that mark the death of massive stars in these regions often lead to interactions…

高能天体物理现象 · 物理学 2015-06-22 P. Slane , A. Bykov , D. C. Ellison , G. Dubner , D. Castro

A complete overview of the supernova remnant (SNR) population is required to investigate their evolution and interaction with the surrounding interstellar medium in the Small Magellanic Cloud (SMC). Recent XMM-Newton observations of the SMC…

About 30 Galactic supernova remnants (SNRs) are thought to be physically associated with molecular clouds (MCs). These systems are prime \g-ray source candidates as the accelerated particles from shock fronts collide with the surrounding…

星系天体物理 · 物理学 2019-08-14 D. Fernandez , M. Dalton , P. Eger , H. Laffon , J. Mehault , S. Ohm , I. Oya , M. Renaud
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