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Magnetic Fields in Molecular Clouds at High Galactic Latitudes

Published online by Cambridge University Press:  19 July 2016

Munezo Seki
Munezo Seki*
Affiliation:
College of General Education Tohoku University Kawauchi, Sendai 980 Japan

Abstract

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We have detected interstellar polarization amounting to 2.6 % in the Ursa Major molecular clouds at a distance of 110 pc. Assuming that paramagnetic grains in those clouds are aligned with the magnetic fields and combining our results with the measurement of Zeeman splitting at 21 cm (Heiles 1989), we argue the strength and direction of magnetic fields.

Type
6. Magnetic Fields in Molecular Clouds, Dark Globules and in the Pre-Stellar and Circumstellar Environment
Information
Symposium - International Astronomical Union , Volume 140: Galactic and Intergalactic Magnetic Fields , 1990 , pp. 321 - 322
Copyright
Copyright © Kluwer 1990 

References

1. de Vries, H.W., Heithausen, A., and Thaddeus, P., Ap.J. 319(1987),723–729.CrossRefGoogle Scholar
2. Crawford, D.L., A.J. 80(1975),955–971.Google Scholar
3. Seki, M. and Hasegawa, T.I., Sci. Rep. Tohoku Univ. 7(1986), 135–152.Google Scholar
4. Heiles, C., (submitted to Ap.J)Google Scholar