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Related papers: New Optically Identified Supernova Remnants in the…

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We report the results from a spectrophotometric study sampling the roughly 300 candidate supernova remnants (SNRs) in M83 identified through optical imaging with Magellan/IMACS and HST/WFC3. Of the 118 candidates identified based on a high…

Astrophysics of Galaxies · Physics 2017-04-26 P. Frank Winkler , William P. Blair , Knox S. Long

A Chandra observation has defined the extent of the SNR B 0454-692 in the LMC H II region N9. The remnant has dimension 2.3" x 3.6" and is elongated in the NS direction. The brightest emission comes from a NS central ridge which includes…

Astrophysics · Physics 2009-11-13 F. D. Seward , R. M. Williams , Y. -H. Chu , J. R. Dickel , R. C. Smith , S. D. Points

We report our 110 ks Chandra observations of the supernova remnant (SNR) 0104-72.3 in the Small Magellanic Cloud (SMC). The X-ray morphology shows two prominent lobes along the northwest-southeast direction and a soft faint arc in the east.…

Astrophysics of Galaxies · Physics 2015-05-20 Jae-Joon Lee , Sangwook Park , John Patrick Hughes , Patrick O. Slane , David N. Burrows

This paper presents ASCA/SIS and ROSAT/HRI results of three supernova remnants (SNRs) in the Small Magellanic Cloud: 0103-726, 0045-734, and 0057-7226. The ROSAT/HRI images of these SNRs indicate that the most of the X-ray emissions are…

Astrophysics · Physics 2015-06-24 Jun Yokogawa , Kensuke Imanishi , Katsuji Koyama , Mamiko Nishiuchi , Norikazu Mizuno

We present the results of new high resolution ATCA observations of SNR J0519-6926. We found that this SNR exhibits a typical "horseshoe" appearance with alpha = -0.55 +- 0.08 and D=28+-1 pc. No polarization (or magnetic fields) are detected…

Astrophysics · Physics 2009-11-13 E. J. Crawford , M. D. Filipović , J. L. Payne

We present the results of X-ray spectroscopy of a flux-limited sample of seven middle-aged supernova remnants (SNRs) in the Large Magellanic Cloud (LMC) (N23, N49, N63A, DEM71, N132D, 0453-68.5, and N49B), using nonequilibrium ionization…

Astrophysics · Physics 2014-10-13 John P. Hughes , Ichizo Hayashi , Katsuji Koyama

We present Chandra X-ray observations of the young supernova remnant (SNR) 0509-67.5 in the Large Magellanic Cloud (LMC), believed to be the product of a Type Ia supernova (SN Ia). The remnant is very round in shape, with a distinct clumpy…

Astrophysics · Physics 2009-11-10 Jessica S. Warren , John P. Hughes

We present a detailed radio-continuum study on Australia Telescope Compact Array (ATCA) observations of Large Magellanic Cloud (LMC) supernova remnant (SNR), MCSNR J0536-7038. This Type Ia SNR follows a horseshoe morphology, with a size 32…

High Energy Astrophysical Phenomena · Physics 2015-06-18 L. M. Bozzetto , M. D. Filipovic

Using a combination of ground-based and HST imaging, we have constructed a catalog of 179 supernova remnants (SNRs) and SNR candidates in the nearby spiral galaxy M51. Follow-up spectroscopy of 66 of the candidates confirms 61 of these as…

Astrophysics of Galaxies · Physics 2021-02-24 P. Frank Winkler , Sadie C. Coffin , William P. Blair , Knox S. Long , Kip D. Kuntz

We report on the results from our measurements of the interstellar medium (ISM) abundances for the elements O, Ne, Mg, Si, and Fe in the Large Magellanic Cloud (LMC). We used the archival Chandra data for sixteen supernova remnants (SNRs)…

High Energy Astrophysical Phenomena · Physics 2016-06-08 Andrew Schenck , Sangwook Park , Seth Post

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

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

We use the star formation history map of the Large Magellanic Cloud to study the sites of the eight smallest (and presumably youngest) supernova remnants in the Cloud: SN 1987A, N158A, N49, and N63A (core collapse remnants), 0509-67.5,…

Solar and Stellar Astrophysics · Physics 2009-07-22 Carles Badenes , Jason Harris , Dennis Zaritsky , Jose Luis Prieto

We report on an {\it XMM-Newton} observation of the supernova remnant (SNR) \object{DEM L241} in the Large Magellanic Cloud. In the soft band image, the emission shows an elongated structure, like a killifish, with a central compact source.…

Astrophysics · Physics 2009-01-01 Aya Bamba , Masaru Ueno , Hiroshi Nakajima , Koji Mori , Katsuji Koyama

We use the star formation history map of the Large Magellanic Cloud recently published by Harris & Zaritsky to study the sites of the youngest Type Ia supernova remnants. We find that most Type Ia remnants are associated with old,…

Solar and Stellar Astrophysics · Physics 2015-05-13 Carles Badenes , Jason Harris , Dennis Zaritsky , Jose Luis Prieto

The middle-aged supernova remnant (SNR) N49B in the Large Magellanic Cloud has been observed with the {\it Chandra X-Ray Observatory}. The superb angular resolution of {\it Chandra} resolves the complex structure of X-ray emitting filaments…

Shell burning and internal mixing in massive stars play an important role in setting the initial conditions for core-collapse supernova explosions. In the late stages of stellar evolution, intense shell burning can cause distinct convective…

High Energy Astrophysical Phenomena · Physics 2025-11-19 Yui Kuboike , Toshiki Sato , Hiromasa Suzuki , Kai Matsunaga , Hiroyuki Uchida , John P. Hughes , Paul P. Plucinsky

With the entire Small Magellanic Cloud (SMC) mapped by the Spitzer Space Telescope and Herschel Space Observatory, we were able to search 8-250 micron images in order to identify infrared (IR) emission associated with SMC supernova remnants…

High Energy Astrophysical Phenomena · Physics 2022-05-04 Mikako Matsuura , Victoria Ayley , Hannah Chawner , M. D. Filipovic , Warren Reid , F. D. Priestley , Andy Rigby , M. J. Barlow , Haley E. Gomez

Typing the origin (i.e., Type Ia or core-collapse) of supernova remnants (SNRs) is crucial to determine the rates of supernova (SN) explosions in a galaxy, which is a key to understand its recent chemical evolution. However, evolved SNRs in…

High Energy Astrophysical Phenomena · Physics 2016-01-20 Yoko Takeuchi , Hiroya Yamaguchi , Toru Tamagawa

It has often been suggested that supernova remnants (SNRs) can trigger star formation. To investigate the relationship between SNRs and star formation, we have examined the known sample of 45 SNRs in the Large Magellanic Cloud to search for…

Astrophysics of Galaxies · Physics 2015-05-19 K. M. Desai , Y. -H. Chu , R. A. Gruendl , W. Dluger , M. Katz , T. Wong , C. -H. R. Chen , L. W. Looney , A. Hughes , E. Muller , J. Ott , J. L. Pineda