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Related papers: A Sino-German $\lambda$6\ cm polarization survey o…

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We have observed 79 supernova remnants (SNRs) with the Urumqi 25m telescope at 6cm during the Sino-German 6cm polarization survey of the Galactic plane. We measured flux densities of SNRs at 6cm, some of which are the first ever measured or…

Astrophysics of Galaxies · Physics 2014-06-03 J. L. Han , X. Y. Gao , X. H. Sun , W. Reich , L. Xiao , P. Reich , J. W. Xu , W. B. Shi , E. Fuerst , R. Wielebinski

We study the spectral and polarization properties of supernova remnants (SNRs) based on our 6cm survey data. The observations were taken from the Sino-German 6cm polarization survey of the Galactic plane. By using the integrated flux…

Astrophysics of Galaxies · Physics 2015-05-30 X. H. Sun , P. Reich , W. Reich , L. Xiao , X. Y. Gao , J. L. Han

The Sino-German 6cm polarization survey has mapped in total intensity and polarization intensity over an area of approximately 2200 square degrees in the Galactic disk. This survey provides an opportunity to search for Galactic supernova…

Astrophysics of Galaxies · Physics 2015-06-15 X. Y. Gao , X. H. Sun , J. L. Han , W. Reich , P. Reich , R. Wielebinski

Supernova remnants (SNRs) were often discovered in radio surveys of the Galactic plane. Because of the surface-brightness limit of previous surveys, more faint or confused SNRs await discovery. The Sino-German $\lambda$6\ cm Galactic plane…

Astrophysics of Galaxies · Physics 2015-05-28 X. Y. Gao , X. H. Sun , J. L. Han , W. Reich , P. Reich , R. Wielebinski

Large-scale radio continuum surveys have good potential for discovering new Galactic supernova remnants (SNRs). Surveys of the Galactic plane are often limited in the Galactic latitude of |b| ~ 5 degree. SNRs at high latitudes, such as the…

Astrophysics of Galaxies · Physics 2014-09-05 X. Y. Gao , J. L. Han

Sensitive radio continuum surveys of the Galactic plane are ideal for discovering new supernova remnants (SNRs). From the Sino-German {\lambda}6 cm polarisation survey of the Galactic plane, an extended shell-like structure has been found…

Astrophysics of Galaxies · Physics 2020-03-11 X. Y. Gao , P. Reich , W. Reich , L. G. Hou , J. L. Han

We have finished the 6cm polarization survey of the Galactic plane using the Urumqi 25m radio telescope. It covers 10deg<l<230deg in Galactic longitude and |b| <5deg in Galactic latitude. The new polarization maps not only reveal new…

Astrophysics of Galaxies · Physics 2015-06-04 J. L. Han , W. Reich , X. H. Sun , X. Y. Gao , L. Xiao , W. B. Shi , P. Reich , R. Wielebinski

G156.2+5.7 is a large supernova remnant (SNR) first discovered in the ROSAT X-ray survey but radio observations are rare because of its low surface brightness and large size. Radio continuum and polarization images of the SNR G156.2+5.7 at…

Astrophysics · Physics 2009-11-13 J. W. Xu , J. L. Han , X. H. Sun , W. Reich , L. Xiao , P. Reich , R. Wielebinski

The vast majority of Galactic supernova remnants (SNRs) were detected by their synchrotron radio emission. Recently, the evolved SNR G107.0+9.0 with a diameter of about 3~deg or 75~pc up to 100~pc in size was optically detected with an…

Astrophysics of Galaxies · Physics 2021-11-03 Wolfgang Reich , Xuyang Gao , Patricia Reich

Many physical properties of this SNR such as spectrum and polarization can only be investigated by radio observations. The $\lambda$11 cm and $\lambda$6\ cm continuum and polarization observations of SNR G65.2+5.7 were made with the…

Astrophysics of Galaxies · Physics 2015-05-13 L. Xiao , W. Reich , E. Fürst , J. L. Han

(Abridged) We have conducted a total intensity and polarization survey of the Galactic plane at 6 cm using the Urumqi 25 m telescope for the Galactic longitude range of 10 deg<l<60 deg and the Galactic latitude range of |b|<5 deg. Missing…

Astrophysics of Galaxies · Physics 2015-05-20 X. H. Sun , W. Reich , J. L. Han , P. Reich , R. Wielebinski , C. Wang , P. Müller

Linearly polarized Galactic synchrotron emission provides valuable information about the properties of the Galactic magnetic field and the interstellar magneto-ionic medium, when Faraday rotation along the line of sight is properly taken…

Astrophysics of Galaxies · Physics 2015-05-18 X. Y. Gao , W. Reich , J. L. Han , X. H. Sun , R. Wielebinski , W. B. Shi , L. Xiao , P. Reich , E. Fürst , M. Z. Chen , J. Ma

Information of small-diameter sources is extracted from the Sino-German 6cm polarisation survey of the Galactic plane carried out with the Urumqi 25-m telescope. We performed two-dimensional elliptical Gaussian fits to the 6cm maps to…

Astrophysics of Galaxies · Physics 2015-06-17 W. Reich , X. H. Sun , P. Reich , X. Y. Gao , L. Xiao , J. L. Han

We report on the discovery of two supernova remnants (SNRs) designated G152.4-2.1 and G190.9-2.2, using Canadian Galactic Plane Survey data. The aims of this paper are, first, to present evidence that favours the classification of both…

Astrophysics of Galaxies · Physics 2013-01-15 Tyler Foster , Brendan Cooper , Wolfgang Reich , Roland Kothes , Jennifer West

We have imaged a 1 deg^2 field centered on the known Galactic supernova remnant (SNR) G11.2-0.3 at 74, 330, and 1465 MHz with the Very Large Array radio telescope (VLA) and 235 MHz with the Giant Metrewave Radio Telescope (GMRT). The 235,…

The supernova remnant (SNR) G315.4$-$2.3 (MSH 14$-$63 or RCW 86) exhibits strong emission across the electromagnetic spectrum. Radio polarization observations probe magnetic fields and will help to understand the evolution of the SNR. We…

Astrophysics of Galaxies · Physics 2026-04-22 X. Chen , X. Sun , J. F. Kaczmarek , B. M. Gaensler , P. Slane , J. L. West

High resolution and sensitivity large-scale radio surveys of the Milky Way are critical in the discovery of very low surface brightness supernova remnants (SNRs), which may constitute a significant portion of the Galactic SNRs still…

Astrophysics of Galaxies · Physics 2014-07-02 Stephanie Gerbrandt , Tyler J. Foster , Roland Kothes , Joern Geisbuesch , Albert Tung

Linear polarization of diffuse Galactic emission is a signature of magnetic fields in the interstellar medium of our Galaxy. Observations at high frequencies are less affected by Faraday depolarization than those at lower frequencies and…

Astrophysics of Galaxies · Physics 2015-05-27 L. Xiao , J. L. Han , W. Reich , X. H. Sun , R. Wielebinski , P. Reich , H. Shi , O. Lochner

The Parkes-MIT-NRAO (PMN) radio survey has been used to generate a quasi all-sky study of Galactic Supernova Remnants (SNRs) at a common frequency of 4.85 GHz. We present flux densities estimated for the sample of 110 Southern Galactic SNRs…

Astrophysics · Physics 2009-11-13 M. Stupar , M. D. Filipovic , Q. A. Parker , G. L. White , T. G. Pannuti , P. A. Jones

Context. While over 1000 supernova remnants (SNRs) are estimated to exist in the Milky Way, only less than 400 have been found to date. In the context of this apparent deficiency, more than 150 SNR candidates were recently identified in the…

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