Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.257...57b&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 257, no. 1, July 1, 1992, p. 57-61.
Astronomy and Astrophysics
Astronomy
14
Interstellar Magnetic Fields, Molecular Clouds, Polarized Radiation, Stellar Radiation, Linear Polarization, Magnetic Field Configurations
Scientific paper
Linear polarization measurements of stars in the region of the nearby high-latitude molecular cloud MBM 12 are presented. Stars behind the cloud show a polarization of about 2-3 percent, while stars that are in front of the cloud or are projected outside the cloud boundary show very low values (less than 0.5 percent) of polarization. If the polarization is caused by dust grains aligned by a magnetic field, the observed polarization position angles suggest that the field in the cloud is more or less unidirectional and is roughly parallel to the long axis of the cloud. The cloud magnetic field has a direction that is significantly different from that of the local interstellar field, and its strength may be as large as about 60 microG.
Bhatt Harish C.
Jain Sonal Kumar
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