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Related papers: Two Radio Supernova Remnants Discovered in the Out…

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(Abridged) We present a detailed radio study of the young supernova remnant (SNR) G292.0+1.8 and its associated pulsar PSR J1124-5916, using the Australia Telescope Compact Array at observing wavelengths of 20, 13 and 6 cm. We find that the…

Astrophysics · Physics 2009-11-07 B. M. Gaensler , B. J. Wallace

We have observed two fields - Field-I (l=3.2 degrees, b=-1.0 degree) and Field-II (l=356.8 degrees, b=-0.1 degree) with the Giant Metrewave Radio Telescope (GMRT) at 330 MHz. In the first field, we have studied the candidate supernova…

Astrophysics · Physics 2009-11-07 Subhashis Roy , A. Pramesh Rao

We present high-resolution radio images at 1.4 GHz of two Galactic supernova remnants (SNRs), G003.8--00.3 (formerly G003.7--00.2) and G350.0--02.0 (formerly G350.0-01.8). Although the two objects are very different in appearance, in both…

Astrophysics · Physics 2009-10-30 B. M. Gaensler

We present 1 to 10GHz radio continuum flux density, spectral index, polarisation and Rotation Measure (RM) images of the youngest known Galactic Supernova Remnant (SNR) G1.9+0.3, using observations from the Australia Telescope Compact Array…

We present a multi-wavelength study of the radio source G296.7-0.9. This source has a bilateral radio morphology, a radio spectral index of -0.5 +/- 0.1, sparse patches of linear polarisation, and thermal X-rays with a bright arc near the…

Astrophysics of Galaxies · Physics 2015-05-30 W. J. Robbins , B. M. Gaensler , T. Murphy , S. Reeves , A. J. Green

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

We discovered a middle-aged supernova remnant (SNR) in the vicinity of G69.7+1.0 using the ASCA satellite. G69.7+1.0 was identified in the 2.7 GHz survey and classified as a shell-type SNR with a diameter of 16 arcmin. During the ROSAT…

Astrophysics · Physics 2015-06-24 Kumi Yoshita , Emi Miyata , Hiroshi Tsunemi

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

New narrow-band HAlpha imaging and subsequent optical spectra confirm G315.1+2.7, a previously identified candidate supernova remnant (SNR), as a bona-fide Galactic SNR. Present observations are based on independent discovery of filamentary…

Astrophysics · Physics 2008-11-26 M. Stupar , Q. A. Parker , M. D. Filipovic

We present a catalogue of 18 new Galactic supernova remnants (SNRs) uncovered in the optical regime as filamentary emissions and extended nebulosities on images of the Anglo Australian Observatory/United Kingdom Schmidt Telescope (AAO/UKST)…

Astrophysics · Physics 2009-11-13 M. Stupar , Q. A. Parker , M. D. Filipovic

The shell-type supernova remnant (SNR) G206.7+5.9 was recently discovered in the radio band with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The remnant spans about 3.5 in diameter and exhibits bilateral shells. In…

High Energy Astrophysical Phenomena · Physics 2025-01-29 Hicran Bakis , Ebru Aktekin , Volkan Bakis , Hidetoshi Sano , Aytap Sezer

Supernova remnants (SNRs) are observable for about 6-15x10^4 years before they fade into the Galactic interstellar medium. With a Galactic supernova rate of approximately two per century, we can expect to have of the order of 1200 SNRs in…

High Energy Astrophysical Phenomena · Physics 2021-04-07 W. Becker , N. Hurley-Walker , Ch. Weinberger , L. Nicastro , M. G. F. Mayer , A. Merloni , J. Sanders

During a detailed search for optical counterparts of known Galactic supernova remnants (SNRs) using the Anglo Australian Observatory/United Kingdom Schmidt Telescope (AAO/UKST) HAlpha survey of the southern Galactic plane we have found…

Astrophysics of Galaxies · Physics 2015-05-30 M. Stupar , Q. A. Parker

We report the discovery of up to 35 new supernova remnants (SNRs) from a 42 arcsec resolution 90cm multi-configuration Very Large Array survey of the Galactic plane covering 4.5 deg< l <22.0 deg and |b| < 1.25 deg. Archival 20cm, 11cm, and…

Astrophysics · Physics 2009-11-11 C. L. Brogan , J. D. Gelfand , B. M. Gaensler , N. E. Kassim , T. J. Lazio

The extended radio source G16.2-2.7 is detected as a new previously uncataloged Galactic supernova remnant. Its non-thermal radio spectrum has spectral index alpha=-0.51, with S_nu(1 GHz) = 2.08 Jy, as being measured with the RATAN-600…

Astrophysics · Physics 2007-05-23 S. A. Trushkin

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

The radio images from the Parkes-MIT-NRAO (PMN) Southern Sky Survey at 4850 MHz have revealed a number of previously unknown radio sources. One such source, G312.5-3.0 (PMN J1421-6415), has been observed using the multi-frequency…

Astrophysics · Physics 2009-10-31 Stephen R. Kane , Alan E. Vaughan

New images of the radio Supernova Remnant (SNR) G65.1+0.6 are presented, based on the 408 MHz and 1420 MHz continuum emission and the HI-line emission data of the Canadian Galactic Plane Survey (CGPS). A large shell-like structure seen in…

Astrophysics · Physics 2009-11-11 W. W. Tian , D. A. Leahy

We present radio observations of the source G332.5-5.6, a candidate supernova remnant (SNR). Observations have been performed with the Australia Telescope Compact Array (ATCA) at two frequencies, at 1.4 and 2.4 GHz. Our results confirm that…

Astrophysics · Physics 2008-11-26 E. M. Reynoso , A. J. Green

We present optical spectroscopic observations of the supernova remnants (SNRs) G107.7$-$5.1 and G150.3+4.5, each spanning nearly 3 degree. Both remnants were recently examined in the optical band through a deep H$\alpha$ and [OIII]…

High Energy Astrophysical Phenomena · Physics 2026-03-18 Ebru Aktekin , Hicran Bakış , Volkan Bakış , Aytap Sezer