Dynamical and photometric investigation of cometary type 2 tails

Details Dynamical and photometric investigation of cometary type 2 tails Dynamical and photometric investigation of cometary type 2 tails

Sep 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975sao..reptq....s&link_type=abstract

Semiannual Progress Report, 15 Mar. - 14 Sep. 1975 Smithsonian Astrophysical Observatory, Cambridge, MA.

Astronomy and Astrophysics

Astrophysics

Astronomical Photometry, Comet Tails, Kohoutek Comet, Brightness, Calibrating, Interplanetary Dust, Orbital Mechanics, Particle Size Distribution

Scientific paper

The absolute calibration of the photometric profile of the antitail of Comet Kohoutek 1973 XII on plates taken with the Curtis Schmidt telescope of the University of Michigan at the Cerro Tololo Inter-American Observatory is described in detail. The formula for the determination of the air mass, and the correction for atmospheric absorption and for the loss of light due to vignetting are included. The calibration stars were used to derive the coefficients converting the relative intensity scale to the absolute surface-brightness units. The extensive results of the study of the orbital evolution of vaporizing dust particles are listed in a tabular form. Gradual evaporation from the surface of a particle results typically in its expulsion from the solar system. The properties of the particle and the elements of its orbit at expulsion are given as functions of the particle's properties and orbit before appreciable evaporation commenced. Also given are circumstances at an encounter of an expelled particle with the earth as a function of the particle's properties. A few specific cases are represented graphically.

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