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Related papers: A revised Galactic supernova remnant catalogue

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We carry out a project to independently measure the distances of supernova remnants (SNRs) in the first quadrant of the Galaxy. In this project, red clump (RC) stars are used as standard candles and extinction probes to build the optical…

Instrumentation and Methods for Astrophysics · Physics 2018-11-07 S. S. Shan , H. Zhu , W. W. Tian , M. F. Zhang , H. Y. Zhang , D. Wu , A. Y. Yang

The letter presents 25 discovered supernova candidates from SDSS-DR7 with our dedicated method, called Sample Decrease, and 10 of them were confirmed by other research groups, and listed in this letter. Another 15 are first discovered…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Liangping Tu , Ali Luo , Fuchao Wu , Chao Wu , Yongheng Zhao

We present radio-continuum observations of the Galactic supernova remnant (SNR) candidate, G308.3-1.4, made with the Australia Telescope Compact Array, Molonglo Observatory Synthesis Telescope and the Parkes radio telescope. Our results…

Astrophysics of Galaxies · Physics 2015-06-11 A. Y. De Horta , J. D. Collier , M. D. Filipovic , E. J. Crawford , D. Urosevic , F. H. Stootman , N. F. H. Tothill

This work focuses on the detection of X-ray Supernova Remnants (SNRs) in the galaxy NGC 7793 and the study of their properties. X-ray SNRs in galaxies beyond the Local Group are rare, mainly due to the limited sensitivity of current X-ray…

High Energy Astrophysical Phenomena · Physics 2025-09-10 Maria Kopsacheili , Konstantina Anastasopoulou , Nanda Rea , Claudia Patricia Gutiérrez , Lluís Galbany

We study the nature of 39 unconfirmed supernovae (SNe) from the sky area covered by the Sloan Digital Sky Survey (SDSS) Data Release 8 (DR8), using available photometric and imaging data and intensive literature search. We confirm that 21…

Cosmology and Nongalactic Astrophysics · Physics 2013-07-23 L. S. Aramyan , A. R. Petrosian , A. A. Hakobyan , G. A. Mamon , D. Kunth , M. Turatto , V. Zh. Adibekyan , T. A. Nazaryan

We present a re-discovery of G278.94+1.35 as possibly one of the largest known Galactic supernova remnants (SNR) - that we name Diprotodon. While previously established as a Galactic SNR, Diprotodon is visible in our new EMU and GLEAM radio…

The supernova remnant (SNR) G288.8-6.3 was recently discovered as a faint radio shell at large Galactic latitude using observations with ASKAP in the EMU survey. Here, we make the first detailed investigation of the $\gamma$-ray emission…

Supernovae constitute a critical source of energy input to the interstellar medium (ISM). In this short review, we focus on their latest phase of evolution, the supernova remnants (SNRs). We present observations of three old SNRs that have…

Astrophysics of Galaxies · Physics 2015-06-19 Antoine Gusdorf , Rolf Guesten , Sibylle Anderl , Talayeh Hezareh

We present detection of 67 HII regions and two optical supernova remnant (SNR) candidates in the nearby irregular galaxy NGC 2366. The SNR candidates were detected by applying [SII]/H$\alpha$ ratio criterion to observations made with the…

Astrophysics of Galaxies · Physics 2019-05-01 M. M. Vučetić , D. Onić , N. Petrov , A. Ćiprijanović , M. Z. Pavlović

In an XMM-Newton raster observation of the bright Local Group spiral galaxy M 33 we study the population of X-ray sources (X-ray binaries, supernova remnants) down to a 0.2--4.5 keV luminosity of 10^35 erg/s -- more than a factor of 10…

Astrophysics · Physics 2009-11-10 W. Pietsch , Z. Misanovic , F. Haberl , D. Hatzidimitriou , M. Ehle , G. Trinchieri

We examined the latest data release from the GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey covering $345^\circ < l < 60^\circ$, $180^\circ < l < 240^\circ$, using these data and that of the Widefield Infrared…

We construct the most complete sample of supernova remnants (SNRs) in any galaxy - the Large Magellanic Cloud (LMC) SNR sample. We study their various properties such as spectral index ($\alpha$), size and surface-brightness. We suggest an…

Supernova remnants (SNRs) are considered as the most promising source class to account for the bulk of the Galactic cosmic-ray flux. Yet amongst the population of ultra-high energy (UHE) sources that has recently emerged, due to…

High Energy Astrophysical Phenomena · Physics 2024-10-18 A. M. W. Mitchell , S. Celli

From radio and higher-frequency observations, more than 300 SNRs have been discovered in the Milky Way, of which 220 fall into the H.E.S.S. Galactic Plane Survey. However only 50 SNRs are coincident with a H.E.S.S source and in 8 cases the…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Diane Fernandez , Joachim Hahn , Vincent Marandon , Matthieu Renaud , Aion Viana

We search for far-infrared (FIR) counterparts of known supernova remnants (SNRs) in the Galactic plane (360 degrees in longitude and b = +/- 1 deg ) at 70 - 500 micron with Herschel. We detect dust signatures in 39 SNRs out of 190, made up…

Accurate distances to supernova remnants (SNRs) are crucial in determining their size, age, luminosity and evolutionary state. To determine distances, we chose three SNRs from the VLA Galactic Plane Survey (VGPS) for extraction of HI…

Astrophysics of Galaxies · Physics 2018-05-28 S. Ranasinghe , D. A. Leahy

In this study we use MUSE Integral Field Spectroscopy (IFS), along with multi-line diagnostics, for the optical identification of Supernova Remnants (SNRs) in the galaxy NGC 7793. We find in total 238 SNR candidates, 225 of them new…

Astrophysics of Galaxies · Physics 2024-03-27 Maria Kopsacheili , Cristina Jiménez-Palau , Lluís Galbany , Panayotis Boumis , Raúl González-Díaz

There are either a near kinematic distance of 5.5 kpc or a far distance of 8.8 kpc for a Galactic supernova remnant (SNR) G32.8$-$0.1 derived by using the rotation curve of the Galaxy. Here we make sure that the remnant distance is the…

High Energy Astrophysical Phenomena · Physics 2009-09-03 Jian-Wen Xu , Hui-Rong Zhang

Recently the Galactic and Extra-galactic All-sky Murchison Widefield Array survey has published 27 new candidate radio supernova remnants (SNRs) which are located within the longitude ranges of 345{\deg} < l < 60{\deg} and 180{\deg} < l <…

High Energy Astrophysical Phenomena · Physics 2023-05-02 B. M. Mese , T. Ergin
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