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Related papers: Resolving SNR 0540-6944 from LMC X-1 with Chandra

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3C 397 is a radio and X-ray bright Galactic supernova remnant (SNR) with an unusual rectangular morphology. Our CO observation obtained with the Purple Mountain Observatory at Delingha reveals that the remnant is well confined in a cavity…

Astrophysics of Galaxies · Physics 2015-05-14 Bing Jiang , Yang Chen , Junzhi Wang , Yang Su , Xin Zhou , Samar Safi-Harb , Tracey DeLaney

We present new Australia Telescope Compact Array (ATCA) radio observations toward N49, one of the brightest extragalactic Supernova remnants (SNRs) located in the Large Magellanic Cloud. Our new and archival ATCA radio observations were…

X-ray mosaics of the Large Magellanic Cloud (LMC) taken with the ROSAT Position Sensitive Proportional Counter (PSPC) have revealed extensive diffuse X-ray emission, indicative of hot >= 10^6 K gas associated with this irregular galaxy on…

Astrophysics · Physics 2014-10-13 S. Points , Y. -H. Chu , S. L. Snowden , R. C. Smith

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

We report on sensitive 1.4-GHz VLBI radio observations of the unusually luminous supernova remnant SNR 4449-1 in the galaxy NGC 4449, which gave us the first well-resolved image of this object. The remnant's radio morphology consists of two…

High Energy Astrophysical Phenomena · Physics 2015-05-19 M. F. Bietenholz , N. Bartel , D. Milisavljevic , R. A. Fesen , P. Challis , R. P. Kirshner

We present an XMM-Newton detection of two low radio surface brightness SNRs, G85.4+0.7 and G85.9-0.6, discovered with the Canadian Galactic Plane Survey (CGPS). High-resolution XMM-Newton images revealing the morphology of the diffuse…

Astrophysics · Physics 2009-11-13 M. S. Jackson , S. Safi-Harb , R. Kothes , T. Foster

(Abridged) We present a spatial and spectral X-ray analysis of the Galactic supernova remnant (SNR) G352.7-0.1 using archival data from observations made with XMM-Newton and Chandra. Prior X-ray observations of this SNR revealed a thermal…

High Energy Astrophysical Phenomena · Physics 2015-06-18 Thomas G. Pannuti , Oleg Kargaltsev , Jared P. Napier , Derek Brehm

The supernova remnant (SNR) W51C is a Galactic object located in a strongly inhomogeneous interstellar medium with signs of an interaction of the SNR blast wave with dense molecular gas. Diffuse X-ray emission from the interior of the SNR…

High Energy Astrophysical Phenomena · Physics 2014-03-05 Manami Sasaki , Cornelia Heinitz , Gabriele Warth , Gerd Puehlhofer

We present results from mid-IR spectroscopic observations of two young supernova remnants (SNRs) in the Large Magellanic Cloud (LMC) done with the {\it Spitzer Space Telescope}. We imaged SNRs B0509-67.5 and B0519-69.0 with {\it Spitzer} in…

We present the first dedicated X-ray study of the supernova remnant (SNR) G32.8-0.1 (Kes 78) with Suzaku. X-ray emission from the whole SNR shell has been detected for the first time. The X-ray morphology is well correlated with the…

High Energy Astrophysical Phenomena · Physics 2016-02-17 Aya Bamba , Yukikatsu Terada , John Hewitt , Robert Petre , Lorella Angelini , Samar Safi-Harb , Ping Zhou , Fabrizio Bocchino , Makoto Sawada

M33 contains a large number of emission nebulae identified as supernova remnants (SNRs) based on the high [S II]:Ha ratios characteristic of shocked gas. Using Chandra data from the ChASeM33 survey with a 0.35-2 keV sensitivity of about 2 x…

Recent evidence has suggested that the supernova remnant (SNR) 0104-72.3 in the Small Magellanic Cloud (SMC) may be the result of a prompt Type Ia SN based on enhanced iron abundances and its association with a star-forming region. In this…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Laura A. Lopez , Daniel Castro , Patrick O. Slane , Enrico Ramirez-Ruiz , Carles Badenes

We present new radio observations of the recently identified, young Galactic supernova remnant (SNR) RX J0852.0-4622 (G266.2-01.2) made at 1.40 GHz with a resolution of 14.9 arcmin. These results, along with other radio observations from…

Astrophysics · Physics 2007-05-23 A. R. Duncan , D. A. Green

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 have used the ESO NTT/EMMI and VLT/FORS1 instruments to examine the LMC supernova remnant 0540-69.3 as well as its pulsar (PSR B0540-69) and pulsar-powered nebula in the optical range.Spectroscopic observations of the remnant covering…

Astrophysics · Physics 2009-11-10 N. I. Serafimovich , P. Lundqvist , Yu. A. Shibanov , J. Sollerman

G290.1-0.8 (MSH 11-61A) is a supernova remnant (SNR) whose X-ray morphology is centrally bright. However, unlike the class of X-ray composite SNRs whose centers are dominated by nonthermal emission, presumably driven by a central pulsar, we…

Astrophysics · Physics 2009-11-07 Patrick Slane , Randall K. Smith , John P. Hughes , Robert Petre

We report the first detection of optical emission from the shell-type Galactic supernova remnant (SNR) G108.2$-$0.6. We obtained H$\alpha$ images and long-slit spectra using the 1.5-m RTT150 telescope to examine the morphological and…

High Energy Physics - Phenomenology · Physics 2023-12-21 Gunay Payli , Hicran Bakis , Ebru Aktekin , Hidetoshi Sano , Aytap Sezer

The candidate supernova remnant (SNR) G118.4+37.0 (Calvera's SNR), discovered as a faint radio ring at high Galactic latitude and coincident with extended Fermi/LAT gamma-ray emission, is likely associated to the X-ray pulsar 1RXS…

High Energy Astrophysical Phenomena · Physics 2025-09-03 Emanuele Greco , Michela Rigoselli , Sandro Mereghetti , Fabrizio Bocchino , Marco Miceli , Vincenzo Sapienza , Salvatore Orlando

We conducted an observation of the nearby irregular galaxy IC 1613 with the Chandra X-ray Observatory using the S3 chip of the ACIS with an effective exposure time of 49.9 ksec. The observation primarily targeted the extensive bubble and…

High Energy Astrophysical Phenomena · Physics 2019-09-25 Eric M. Schlegel , Thomas G. Pannuti , T. Lozinskaya , A. Moiseev , C. K. Lacey