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Loop I (the north Polar Spur) region - a quasi radio halo

Published online by Cambridge University Press:  04 August 2017

Jelena Milogradov-Tuin
Jelena Milogradov-Tuin*
Affiliation:
Institute of Astronomy, Faculty of Sciences University of Beograd, Studentski Trg 16, p.f. 550, 11000 Beograd Yugoslavia

Abstract

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The distribution of total spectral indices between 38 and 408 MHz with a resolution of for δ>-25° has the following main properties:

1. Relatively small variations of spectral indices over the sky.

2. High indices in the central region at high galactic latitudes.

3. Moderately low spectral indices in the anticentre region.

4. Lower indices in the low-brightness regions (cold holes).

5. The lowest indices in regions containing large amounts of HII.

Type
PART II: COMPOSITION, STRUCTURE AND KINEMATICS
Information
Symposium - International Astronomical Union , Volume 106: The Milky Way Galaxy , 1985 , pp. 245 - 246
Copyright
Copyright © Reidel 1985 

References

Webster, A.S.: 1978, Monthly Notices Roy. Astron. Soc. 185, pp. 507–519.Google Scholar