English
Related papers

Related papers: Multi-frequency study of DEM L299 in the Large Mag…

200 papers

The supernova remnant (SNR) G25.1-2.3 was identified in the radio band during the Sino-German $\lambda$6 cm survey of the Galactic plane. We present a detailed investigation of the optical, HI, and CO emission towards the G25.1-2.3 to…

High Energy Astrophysical Phenomena · Physics 2026-04-06 Ebru Aktekin , Hicran Bakış , Volkan Bakış , Yuya Asano , Hidetoshi Sano , Yasuo Fukui , Aytap Sezer

We present and discuss new visual wavelength-range observations of the inner regions of the supernova remnant SNR 0540-69.3 that is located in the Large Magellanic Cloud (LMC). These observations provide us with more spatial and spectral…

Astrophysics of Galaxies · Physics 2013-06-18 C. Sandin , P. Lundqvist , N. Lundqvist , C. -I. Björnsson , G. Olofsson , Yu. A. Shibanov

Aims. We aim to investigate the molecular environment of the supernova remnant (SNR) G150.3+4.5, and explore its association with ambient molecular clouds (MCs). Methods. We present large-field CO (J=1-0) molecular line observations toward…

Astrophysics of Galaxies · Physics 2024-06-26 Jian-Cheng Feng , Xuepeng Chen , Yang Su , Li Sun , Shiyu Zhang , Xin Zhou , Weihua Guo

N132D is the brightest gamma-ray supernova remnant (SNR) in the Large Magellanic Cloud (LMC). We carried out $^{12}$CO($J$ = 1-0, 3-2) observations toward the SNR using the Atacama Large Millimeter/submillimeter Array (ALMA) and Atacama…

We report results from Spitzer observations of SNR 0509-68.7, also known as N103B, a young Type Ia supernova remnant in the Large Magellanic Cloud that shows interaction with a dense medium in its western hemisphere. Our images show that…

The morphology and the distribution of material observed in SNRs reflect the interaction of the SN blast wave with the ambient environment, the physical processes associated with the SN explosion and the internal structure of the progenitor…

High Energy Astrophysical Phenomena · Physics 2021-05-05 S. Ustamujic , S. Orlando , E. Greco , M. Miceli , F. Bocchino , A. Tutone , G. Peres

We present a new Australian Square Kilometre Array Pathfinder (ASKAP) sample of 14 radio Supernova Remnant (SNR) candidates in the Large Magellanic Cloud (LMC). This new sample is a significant increase to the known number of older, larger…

We used the Swedish-ESO Submillimeter Telescope (SEST) to search for CO emission associated with three supernova remnants (SNRs) in the Large Magellanic Cloud: N49, N132D, and N23. Observations were carried out in the J=2-1 rotational…

Astrophysics · Physics 2009-10-26 Kenneth R. Banas , John P. Hughes , L. Bronfman , L. -A. Nyman

Aims: We present a study of the superbubble (SB) 30 Dor C and the newly identified MCSNR J0536-6913 in the LMC. Methods: All available XMM-Newton data (exposure times of 420 ks EPIC-pn, 556 ks EPIC-MOS1, 614 ks EPIC-MOS2) were used to…

High Energy Astrophysical Phenomena · Physics 2014-12-24 P. J. Kavanagh , M. Sasaki , L. M. Bozzetto , M. D. Filipovic , S. D. Points , P. Maggi , F. Haberl

We present a Parkes multibeam \HI survey of the Large Magellanic Cloud (LMC). This survey, which is sensitive to spatial structure in the range 200 pc to 10 kpc, complements the Australia Telescope Compact survey, which is sensitive to…

Astrophysics · Physics 2009-01-01 L. Staveley-Smith , S. Kim , M. R. Calabretta , R. F. Haynes , M. J. Kesteven

We present the preliminary results of a 40.8 ks Chandra ACIS observation of the young supernova remnant (SNR) N103B located in the Large Magellanic Cloud. The image reveals structure at the sub-arcsecond level, including several bright…

Astrophysics · Physics 2019-08-17 K. T. Lewis , D. N. Burrows , J. A. Nousek , G. P. Garmire , P. Slane , J. P. Hughes

Recent high-resolution X-ray spectroscopy has revealed that several supernova remnants (SNRs) in the Large Magellanic Cloud (LMC) show unusually high forbidden-to-resonance ($f/r$) line ratios. While their origin is still uncertain and…

High Energy Astrophysical Phenomena · Physics 2022-06-15 Yosuke Koshiba , Hiroyuki Uchida , Takaaki Tanaka , Yuki Amano , Hidetoshi Sano , Takeshi Go Tsuru

We probe the environmental properties of X-ray supernova remnants (SNRs) at various points along their evolutionary journey, especially the S-T phase, and their conformance with theoretically derived models of SNR evolution. The remnant…

High Energy Astrophysical Phenomena · Physics 2022-06-22 Chris Albert , Vikram V Dwarkadas

Massive stars can alter physical conditions and properties of their ambient interstellar dust grains via radiative heating and shocks. The HII regions in the Large Magellanic Cloud (LMC) offer ideal sites to study the stellar energy…

Astrophysics of Galaxies · Physics 2015-06-18 Ian W. Stephens , Jessica Marie Evans , Rui Xue , You-Hua Chu , Robert A. Gruendl , Dominique M. Segura-Cox

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

We present a spectrophotometric imaging study of the emission bubble N70 (DEM 301) in the Large Magellanic Cloud. N70 is approximately 100 pc in size with a nearly circular shell-like morphology. The nebular emission is powered by an…

We have investigated the molecular environment of the semicircular composite supernova remnant (SNR) 3C396 and performed a Chandra spatially resolved thermal X-ray spectroscopic study of this young SNR. With our CO millimeter observations,…

Astrophysics of Galaxies · Physics 2015-05-20 Yang Su , Yang Chen , Ji Yang , Bon-Chul Koo , Xin Zhou , Deng-Rong Lu , Il-Gyo Jeong , Tracey DeLaney

We present Australia Telescope Compact Array observations of the supernova remnant (SNR) G309.2-00.6. In a 1.3-GHz continuum image the remnant appears as a near-circular shell, but with two brightened and distorted arcs of emission on…

Astrophysics · Physics 2009-10-30 B. M. Gaensler , A. J. Green , R. N. Manchester

We present results from deep Chandra observations of the young Type Ia supernova remnant (SNR) 0509-68.7, also known as N103B, located in the Large Magellanic cloud (LMC). The remnant displays an asymmetry in brightness, with the western…

A new Chandra observation of SNR 0506-68.0 (also called N23) reveals a complex, highly structured morphology in the low energy X-ray band and an isolated compact central object in the high energy band. Spectral analysis indicates that the…

‹ Prev 1 3 4 5 6 7 10 Next ›