Photometry and polarimetry during flares of comet Schwassmann-Wachmann I

Details Photometry and polarimetry during flares of comet Schwassmann-Wachmann I Photometry and polarimetry during flares of comet Schwassmann-Wachmann I

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pazh....5..294k&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 5, June 1979, p. 294-299.) Soviet Astronomy Letters, vol. 5, May-June 1979, p. 156-159.

Astronomy and Astrophysics

Astronomy

2

Astronomical Photometry, Comets, Flares, Polarimetry, Visual Photometry, Bursts, Interplanetary Dust

Scientific paper

Photometric and polarimetric observations of comet Schwassmann-Wachmann I during its outbursts in late 1976 and early 1977 are reported. A decline in the B-V color index was accompanied by a reversal in the sign of the polarization as the brightness waned. These effects are attributable to ejection of a substantial mass of relatively large grains during the flare. If these larger particles had a mean radius of 1.2 microns (compared with 0.5 micron for the grains continuously leaving the nucleus), the total mass of dust ejected during the October 1976 outburst would have been 7.6 x 10 to the 11th g.

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