Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...204..317s&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 204, no. 1-2, Oct. 1988, p. 317, 318. Research supported by the Department of
Astronomy and Astrophysics
Astrophysics
9
Comet Tails, Halley'S Comet, Linear Polarization, Molecular Ions, Spectral Bands, Carbon Monoxide, Cn Emission, Emission Spectra, Water Vapor
Scientific paper
Optical linear polarization data are presented for the coma and tail region of comet P/Halley observed on 19 March 1986. Polarization in the continuum has been found to increase with wavelength while the position angle remains almost constant. The nature of the wavelength dependence of polarization seems to be different for the coma and the tail region, signifying a size difference of the particles in the two regions. The wavelength dependence of polarization shows a decrease in polarization across different emission bands (CN, C3, CO+, C2 and H2O+).
Babu S. D. G.
Deshpande M. R.
Joshi Umesh C.
Kulshrestha A. K.
Sen Asok Kumar
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