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Magnetic fields in our Galaxy on large and small scales.
- Source :
- Proceedings of the International Astronomical Union; 03/02/2007, Vol. 3 Issue S242, p55-63, 9p
- Publication Year :
- 2007
-
Abstract
- Magnetic fields have been observed on all scales in our Galaxy, from AU to kpc. With pulsar dispersion measures and rotation measures, we can directly measure the magnetic fields in a very large region of the Galactic disk. The results show that the large-scale magnetic fields are aligned with the spiral arms but reverse their directions many times from the innermost arm (Norma) to the outer arm (Perseus). The Zeeman splitting measurements of masers in HII regions or star-formation regions not only show the structured fields inside clouds, but also have a clear pattern in the global Galactic distribution of all measured clouds which indicates the possible connection of the large-scale and small-scale magnetic fields. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 17439213
- Volume :
- 3
- Issue :
- S242
- Database :
- Complementary Index
- Journal :
- Proceedings of the International Astronomical Union
- Publication Type :
- Academic Journal
- Accession number :
- 57123268
- Full Text :
- https://doi.org/10.1017/S1743921307012562