Analysis of asteroid lightcurves. II - Phase curves in a generalized HG-system

Details Analysis of asteroid lightcurves. II - Phase curves in a generalized HG-system Analysis of asteroid lightcurves. II - Phase curves in a generalized HG-system

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26as...86..119l&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 86, no. 2, Dec. 1990, p. 119-165.

Astronomy and Astrophysics

Astrophysics

34

Asteroids, Astronomical Catalogs, Astronomical Photometry, Light Curve, Light Scattering, Color-Color Diagram, Fourier Series, Statistical Analysis, Ubv Spectra

Scientific paper

Absolute magnitudes and slope parameters for 69 asteroids have been derived with data from the Asteroid Photometric Catalogue. A generalized HG-system is presented which allows calculation of a separate H-value for each opposition with a slope parameter G in common to all apparitions. The mean slope parameters for asteroids in the sample considered here are (G)s = 0.23 + or - 0.02, (G)M = 0.23 + or - 0.01, and (G)C = 0.05 + or - 0.02 for taxonomic types S, M, and C, respectively. The magnitude data in the Asteroid Photometric Catalogue is in general well described by the HG-system.

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