Optical polarimetry and high-resolution spectroscopy of the Chamaeleon I dark cloud.

Details Optical polarimetry and high-resolution spectroscopy of the Chamaeleon I dark cloud. Optical polarimetry and high-resolution spectroscopy of the Chamaeleon I dark cloud.

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ncimc..20..699c&link_type=abstract

Nuovo Cimento C, Vol. 20C, N. 5, p. 699 - 705

Physics

Dark Clouds: Extinction, Dark Clouds: Molecular Abundances, Dark Clouds: Polarization

Scientific paper

Magnitudes of linear polarization in the UBVRI bands have been measured for about 30 background stars in the direction of the Chamaeleon I dark cloud. In addition, high-resolution spectroscopic observations in the wavelength ranges of the atomic species Ca II and Ca I and of the molecular species CH and CH+ have been performed towards the highly reddened and early-type stars selected from the polarimetry sample. The data have been used to study the magnetic-field structure, the relation between polarization and extinction, and the relation between molecular abundances and polarization properties in the cloud. Some of the results are presented.

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