Multicolour polarization and CO observations towards a dark filament in Musca
Autor: | Edmundo Marcelo Arnal, R. Morras, J. R. Rizzo |
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Rok vydání: | 1993 |
Předmět: | |
Zdroj: | Monthly Notices of the Royal Astronomical Society. 265:1-11 |
ISSN: | 1365-2966 0035-8711 |
DOI: | 10.1093/mnras/265.1.1 |
Popis: | Multicolour polarimetry with high sensitivity of stars in the region of the Musca filamentary cloud and 12 CO (J=1→0) observations towards the same area are reported. A lower distance limit of 150 pc is derived for this cloud from a polarization percentage versus distance modulus diagram. From the carbon monoxide data, a total mass of 170 solar masses is obtained. The molecular gas density is of the order of 300 cm −3 . The direction of the observed projected interstellar magnetic field is almost perpendicular to the major axis of the cloud. We believe that the magnetic field has played a significant role in the evolution of this cloud |
Databáze: | OpenAIRE |
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