Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/2694
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dc.contributor.authorSen, A. K-
dc.contributor.authorDeshpande, M. R-
dc.contributor.authorJoshi, U. C-
dc.contributor.authorKameswara Rao, N-
dc.contributor.authorRaveendran, A. V-
dc.date.accessioned2008-07-16T05:47:59Z-
dc.date.available2008-07-16T05:47:59Z-
dc.date.issued1991-02-
dc.identifier.citationAstronomy and Astrophysics , Vol. 242, No. 2, pp. 496 - 502en
dc.identifier.issn0004-6361-
dc.identifier.urihttp://hdl.handle.net/2248/2694-
dc.description.abstractComet P/Halley was observed polarimetrically for seven nights in IHW and other continuum filters, during its pre- and postpreihelion passages. These polarimetric observations have been combined with the observations taken by other investigators to get a complete picture of phase angle and wavelength dependence of polarization of Comet P/Halley. Assuming Mie-type scattering by cometary grains, observed polarization data have been fitted for different complex values of refractive indices of cometary grains. It has been found that a power-law grain size distribution, suggested by Mazets et al. (1987), with grain size spectrum from 0.001 to 20 microns, fits into the observed data, and the refractive indices of the grains are different at different values of the incident wavelength.en
dc.format.extent907675 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherEuropean Southern Observatoryen
dc.relation.urihttp://adsabs.harvard.edu/abs/1991A%26A...242..496Sen
dc.subjectHalley's cometen
dc.subjectInterplanetary dusten
dc.subjectPolarimetryen
dc.subjectAstronomical spectroscopyen
dc.subjectGrain sizeen
dc.subjectPolarization characteristics cometsen
dc.subjectDusten
dc.subjectHalleyen
dc.subjectAstronomyen
dc.subjectPolaraizationen
dc.subjectModelsen
dc.subjectWavelengthsen
dc.subjectRefractive indexen
dc.subjectEarth-based observationsen
dc.subjectOptical propertiesen
dc.subjectProcedureen
dc.subjectScatteringen
dc.subjectDistributionen
dc.titlePolarimetry of Comet P/Halley - Properties of dusten
dc.typeArticleen
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