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G328.4+0.2 is a moderately small (5 arcmin x 5arcmin) Galactic radio supernova remnant (SNR) at a distance of at least 17 kpc that has been long suggested to be Crab-like. Here we report on the detection with ASCA of the X-ray emission from…

Astrophysics · Physics 2009-10-31 John P. Hughes , Patrick O. Slane , Paul P. Plucinsky

We present a new study of the X-ray spectral properties of the Crab Pulsar. The superb angular resolution of the Chandra X-ray Observatory enables distinguishing the pulsar from the surrounding nebulosity. Analysis of the spectrum as a…

We present timing solutions and spin properties of the young pulsar PSR B0540-69 from analysis of 15.8 yr of data from the Rossi X-Ray Timing Explorer. We perform a partially phase-coherent timing analysis in order to mitigate the…

Solar and Stellar Astrophysics · Physics 2015-10-21 Robert D. Ferdman , Robert F. Archibald , Victoria M. Kaspi

SXP 1062 is a Be X-ray binary located in the Small Magellanic Cloud. It hosts a long-period X-ray pulsar and is likely associated with the supernova remnant MCSNR J0127-7332. In this work we present a multi-wavelength view on SXP 1062 in…

High Energy Astrophysical Phenomena · Physics 2018-02-21 A. Gonzalez-Galan , L. M. Oskinova , S. B. Popov , F. Haberl , M. Kuehnel , J. S. Gallagher , M. P. E. Schurch , M. A. Guerrero

We extend Pacini & Salvati's model for the synchrotron emission from plerions to allow more realistic predictions of the surface brightness profiles of the Crab Nebula at radio, optical and X-ray frequencies. Abandoning the assumption of a…

Astrophysics · Physics 2007-05-23 E. Amato , M. Salvati , R. Bandiera , F. Pacini , L. Woltjer

We report the discovery of a circular shell centred on the Be X-ray binary (BeXB) SXP 1323 in the Small Magellanic Cloud (SMC). The shell was detected in an Halpha image obtained with the Very Large Telescope (VLT). Follow-up spectroscopy…

Solar and Stellar Astrophysics · Physics 2019-03-06 V. V. Gvaramadze , A. Y. Kniazev , L. M. Oskinova

Chandra images of the Crab Nebula resolve the detailed structure of its "inner ring", possibly a termination shock where pulsar-accelerated relativistic particles begin to emit X radiation. Analysis of these images finds that the center of…

High Energy Astrophysical Phenomena · Physics 2015-05-30 Martin C. Weisskopf , Ronald F. Elsner , Jeffery J. Kolodziejczak , Stephen L. O'Dell , Allyn F. Tennant

We present observations with the Chandra X-ray Observatory of the pulsar wind nebula (PWN) within the supernova remnant G0.9+0.1. At Chandra's high resolution, the PWN has a clear axial symmetry; a faint X-ray point source lying along the…

Astrophysics · Physics 2009-11-06 B. M. Gaensler , M. J. Pivovaroff , G. P. Garmire

We present the serendipitous discovery of 16 ms pulsed X-ray emission from the Crab-like supernova remnant N157B in the Large Magellanic Cloud. This is the fastest spinning pulsar associated with a supernova remnant (SNR). Observations with…

Astrophysics · Physics 2009-10-30 F. E. Marshall , E. V. Gotthelf , W. Zhang , J. Middleditch , Q. D. Wang

We have searched the region surrounding the Crab Nebula for the existence of a shock wave with the imaging instruments of the Einstein Observatory. The search is complicated by the scattering of nebula and pulsar X-rays from the imperfectly…

Astrophysics · Physics 2014-10-13 C. W. Mauche , P. Gorenstein

We report on radio continuum and HI observations of the radio source G328.4+0.2 using the Australia Telescope Compact Array. Our results confirm G328.4+0.2 to be a filled-center nebula with no surrounding shell, showing significant linear…

Astrophysics · Physics 2009-10-31 Bryan Gaensler , John Dickel , Anne Green

The supernova remnant SNR 0540-69.3, twin of the Crab Nebula, offers an excellent opportunity to study the continuum emission from a young pulsar and pulsar-wind nebula (PWN). We present observations taken with the VLT instruments MUSE and…

High Energy Astrophysical Phenomena · Physics 2025-08-21 L. Tenhu , J. Larsson , J. Sollerman , P. Lundqvist , J. Spyromilio , J. D. Lyman , G. Olofsson

An axisymmetric model for the Crab Nebula is constructed to examine the flow dynamics in the nebula. The model is based on that of Kennel and Coroniti (1984), although we assume that the kinetic-energy-dominant wind is confined in an…

Astrophysics · Physics 2009-11-10 S. Shibata , H. Tomatsuri , M. Shimanuki , K. Ssito , K. Mori

We have analyzed 16 years of observations dedicated to the Crab (pulsar + nebula) with the INTEGRAL SPI instrument to investigate its polarization properties. We find that the source presents a substantially polarized emission (PF = 24%) in…

High Energy Astrophysical Phenomena · Physics 2019-09-25 E. Jourdain , J. P. Roques

We present high spatial resolution optical imaging and polarization observations of the PSR B0540-69.3 and its highly dynamical pulsar wind nebula (PWN) performed with HST, and compare them with X-ray data obtained with the Chandra X-ray…

High Energy Astrophysical Phenomena · Physics 2015-05-19 N. Lundqvist , P. Lundqvist , C. -I. Björnsson , G. Olofsson , S. Pires , Yu. A. Shibanov , D. A. Zyuzin

We present 3.6, 4.5, 5.8, 8.0, 24, and 70 micron images of the Crab Nebula obtained with the Spitzer Space Telescope IRAC and MIPS cameras, Low- and High-resolution Spitzer IRS spectra of selected positions within the nebula, and a…

We discuss the current X-ray view of the Crab Nebula and Pulsar, summarising our analysis of observations of the source with the EPIC-pn camera on board the XMM-Newton observatory. Different modes of EPIC-pn were combined in order to yield…

We present a deep observation with the X-ray Multi-Mirror Mission of PSR B1823-13, a young pulsar with similar properties to the Vela pulsar. We detect two components to the X-ray emission associated with PSR B1823-13: an elongated core of…

Astrophysics · Physics 2009-11-07 Bryan Gaensler , Norbert Schulz , Vicky Kaspi , Michael Pivovaroff , Werner Becker

We discover a large-scale shell G53.9+0.2 around the Crab-like pulsar wind nebula (PWN) G54.1+0.3 with 1420 MHz continuum VLA observations. This is confirmed by a new infrared image at 8 \mu m from the GLIMPSE Legacy Project, which reveals…

Astrophysics · Physics 2009-11-13 D. A. Leahy , W. W. Tian , Q. D. Wang

We report the results of eROSITA and NICER observations of the June 2020 outburst of the Be/X-ray binary pulsar RX J0529.8-6556 in the Large Magellanic Cloud, along with the analysis of archival X-ray and optical data from this source. We…