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Title:
Detection of axisymmetric filaments in the filled-center supernova remnant G21.5-0.9
Authors:
Furst, E.; Handa, T.; Morita, K.; Reich, P.; Reich, W.; Sofue, Y.
Affiliation:
AA(Max-Planck-Institut fuer Radioastronomie, Bonn, Federal Republic of Germany), AB(Nobeyama Radio Observatory, Minamimaki, Japan), AC(Nobeyama Radio Observatory, Minamimaki, Japan), AD(Nobeyama Radio Observatory, Minamimaki, Japan), AE(Max-Planck-Institut fuer Radioastronomie, Bonn, Federal Republic of Germany; Nobeyama Radio Observatory, Minamimaki, Japan)
Publication:
Astronomical Society of Japan, Publications (ISSN 0004-6264), vol. 40, no. 3, 1988, p. 347-356. (PASJ Homepage)
Publication Date:
00/1988
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
MILKY WAY GALAXY, MILLIMETER WAVES, PULSARS, RADIO EMISSION, SUPERNOVA REMNANTS, HIGH RESOLUTION, LINEAR POLARIZATION, MORPHOLOGY, RADIO SPECTRA
Bibliographic Code:
1988PASJ...40..347F

Abstract

High-resolution 22.3 GHz observations with the NRO Millimeterwave Array of the filled-center supernova remnant G21.5-0.9 show a diffuse centrally peaked component and in addition axisymmetric filaments. The properties of the diffuse component and the morphology of the filaments suggest that they likely result from a two-sided collimated outflow of particles in precession from the central pulsar.

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