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Related papers: The Vela Pulsar's Radio Nebula

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Observations using the Australia Telescope Compact Array at a wavelength of 6 cm have uncovered the radio counterpart to the compact X-ray nebula surrounding the Vela pulsar. Two lobes were found oriented about the spin axis of the pulsar,…

Astrophysics · Physics 2007-05-23 Dion Lewis , Richard Dodson , David McConnell , Avinash Deshpande

A series of 13 Chandra observations provided the deepest images of the Vela PWN yet available. In addition to the fine structure of the inner PWN features, a much larger and fainter asymmetric X-ray nebula emerges in the summed images. The…

Astrophysics · Physics 2007-05-23 Oleg Kargaltsev , George Pavlov

We present high-resolution 1.4 GHz Australia Telescope Compact Array polarimetric observations of Vela X, the pulsar wind nebula of the Vela SNR. We find that the linearly polarized emission is only partially correlated with total…

Astrophysics · Physics 2007-05-23 Douglas C. -J. Bock , Robert J. Sault , Douglas K. Milne , Anne J. Green

Polarisation measurements of pulsars offer an unique insight into the geometry of the emission regions in the neutron star magnetosphere. Therefore, they provide observational constraints on the different models proposed for the pulsar…

High Energy Astrophysical Phenomena · Physics 2014-09-08 P. Moran , R. P. Mignani , A. Shearer

The nebula powered by the Vela pulsar is one of the best examples of an evolved pulsar wind nebula, allowing to access the particle injection history and the interaction with the supernova ejecta. We report on the INTEGRAL discovery of…

We report the results of the spectral analysis of two observations of the Vela pulsar with the Chandra X-ray observatory. The spectrum of the pulsar does not show statistically significant spectral lines in the observed 0.25-8.0 keV band.…

Astrophysics · Physics 2016-08-30 G. G. Pavlov , V. E Zavlin , D. Sanwal , V. Burwitz , G. Garmire

We present a radio polarimetric study of the Boomerang pulsar wind nebula G106.65+2.96 with VLA observations at the 6 GHz band. Our high-resolution image discovers new small-scale features in the nebula, including an elliptical core of…

High Energy Astrophysical Phenomena · Physics 2026-02-25 Paul C. W. Lai , Chi-Yung Ng , Shumeng Zhang

Observations of the Vela pulsar-wind nebula (PWN) with the Chandra X-ray Observatory have revealed a complex, variable PWN structure, including inner and outer arcs, a jet in the direction of the pulsar's proper motion, and a counter-jet in…

Astrophysics · Physics 2008-11-26 G. G. Pavlov , M. A. Teter , O. Kargaltsev , D. Sanwal

The evolution of pulsar Wind Nebulae (PWNe) influences how high energy particles in the vicinity are generated and transport. The Vela PWN (only $\sim300$\,pc away), provides a rather rare case between young and well-evolved systems. We…

High Energy Astrophysical Phenomena · Physics 2026-03-03 Yihan Liu , Yu Zhang , C. -Y. Ng , Zijian Qiu , Sujie Lin , Lili Yang

Pulsar wind nebulae are formed when outflows of relativistic electrons and positrons hit the surrounding supernova remnant or interstellar medium at a shock front. The Vela pulsar wind nebula is powered by a young pulsar (B0833-45, age 11…

High Energy Astrophysical Phenomena · Physics 2023-03-23 Fei Xie , Alessandro Di Marco , Fabio La Monaca , Kuan Liu , Fabio Muleri , Niccolò Bucciantini , Roger W. Romani , Enrico Costa , John Rankin , Paolo Soffitta , Matteo Bachetti , Niccolò Di Lalla , Sergio Fabiani , Riccardo Ferrazzoli , Shuichi Gunji , Luca Latronico , Michela Negro , Nicola Omodei , Maura Pilia , Alessio Trois , Eri Watanabe , Iván Agudo , Lucio A. Antonelli , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Stefano Ciprini , Alessandra De Rosa , Ettore Del Monte , Laura Di Gesu , Immacolata Donnarumma , Victor Doroshenko , Michal Dovčiak , Steven R. Ehlert , Teruaki Enoto , Yuri Evangelista , Javier A. Garcia , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Svetlana G. Jorstad , Vladimir Karas , Takao Kitaguchi , Jeffery J. Kolodziejczak , Henric Krawczynski , Ioannis Liodakis , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Alan P. Marscher , Herman L. Marshall , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Tsunefumi Mizuno , C. -Y. Ng , Stephen L. O'Dell , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel L. Peirson , Matteo Perri , Melissa Pesce-Rollins , Pierre-Olivier Petrucci , Andrea Possenti , Juri Poutanen , Simonetta Puccetti , Brian D. Ramsey , Ajay Ratheesh , Carmelo Sgró , Patrick Slane , Gloria Spandre , Toru Tamagawa , Fabrizio Tavecchio , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicolas E. Thomas , Francesco Tombesi , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Silvia Zane

The pulsar wind nebula (PWN) associated with the Vela pulsar is a bright source in the radio, X-ray and gamma-ray bands, but not in the optical. This source is very near, lying at a distance of 290 pc, as inferred from the radio and optical…

High Energy Astrophysical Phenomena · Physics 2015-01-05 T. E. Marubini , R. R. Sefako , C. Venter , O. C. de Jager

We use interstellar scattering of the Vela pulsar to determine the size of its emission region. From interferometric phase variations on short baselines, we find that radio-wave scattering broadens the source by 3.4+/-0.3 milliarcseconds…

As part of a multiwavelength study of the unusual radio supernova remnant DA 495, we present observations made with the Chandra X-ray Observatory. Imaging and spectroscopic analysis confirms the previously detected X-ray source at the heart…

Astrophysics · Physics 2009-11-13 Z. Arzoumanian , S. Safi-Harb , T. L. Landecker , R. Kothes , F. Camilo

The recent identification of the perpendicular mode of radio polarization as the primary one in the Vela pulsar by Lai et al. (2001) is interpreted in terms of the maser mechanism proposed by Luo & Melrose (1995). We suggest that such a…

Astrophysics · Physics 2009-11-06 V. Radhakrishnan , A. A. Deshpande

Chandra observations of the Vela pulsar-wind nebula (PWN) have revealed a jet in the direction of the pulsar's proper motion, and a counter-jet in the opposite direction, embedded in diffuse nebular emission. The jet consists of a bright,…

Astrophysics · Physics 2016-08-30 O. Kargaltsev , G. G. Pavlov , M. A. Teter , D. Sanwal

We report on the first detection of the Vela pulsar in the near-infrared with the VLT/ISAAC in the Js and H bands. The pulsar magnitudes are Js=22.71 +/- 0.10 and H=22.04 +/- 0.16. We compare our results with the available multiwavelength…

Astrophysics · Physics 2016-08-30 Y. A. Shibanov , A. B. Koptsevich , J. Sollerman , P. Lundqvist

The Vela pulsar is the brightest pulsar at radio wavelengths. It was the object that told us (via its glitching) that pulsars were solid rotating bodies not oscillating ones. Along with the Crab pulsar is it the source of many of the models…

Astrophysics · Physics 2008-11-26 R. Dodson , D. Legge , J. E. Reynolds , P. M. McCulloch

The observations of the pulsar-wind nebula (PWN) around the Vela pulsar with the Advanced CCD Imaging Spectrometer aboard the Chandra X-ray Observatory, taken on 2000 April 30 and November 30, reveal its complex morphology reminiscent of…

Astrophysics · Physics 2009-11-06 G. G. Pavlov , O. Y. Kargaltsev , D. Sanwal , G. P. Garmire

We report on an observation of the Vela-like pulsar B1823-13 and its synchrotron nebula with Chandra.The pulsar's spectrum fits a power-law model with a photon index Gamma_PSR=2.4 for the plausible hydrogen column density n_H=10^{22}…

Astrophysics · Physics 2009-11-13 G. G. Pavlov , O. Kargaltsev , W. F. Brisken

In this paper, we present a full spatially resolved polarization map for the Vela Pulsar Wind Nebula (PWN) observed by IXPE. By employing effective background discrimination techniques, our results show a remarkably high degree of local…

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