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Radio Physics and Radio Astronomy

ISSN Print: 2152-274X
ISSN Online: 2152-2758

Archives: Volume 1, 2010 to Volume 3, 2012

Radio Physics and Radio Astronomy

DOI: 10.1615/RadioPhysicsRadioAstronomy.v1.i2.10
pages 93-98

THE NORTH POLAR SPUR AS OUR GALAXY JET

A. P. Miroshnichenko
Institute of Radio Astronomy, National Academy of Sciences of Ukraine, 4, Chervonopraporna St., Kharkiv, 61002

ABSTRACT

A large-scale feature of the galactic background radiation, being the North Polar Spur, can be a jet of our galaxy probably enveloped by an extended cocoon of about the galactic disk diameter. The jet key parameters, such as magnetic field strength, spectral index, radio luminosity, propagation velocity, are estimated close to the corresponding values for jets of weak radio galaxies. As distinct from the popular supernova remnant hypothesis, the latitudinal dependence of intensity, magnetic field structure and spectral index distribution for the North Polar Spur can be explained within the jet hypothesis.