A new three-parameter H, G1, G2 magnitude phase function for asteroids

Abstract : We have developed a new three-parameter H, G1, G2 magnitude phase function for asteroids. The phase function is aimed at replacing the currently adopted two-parameter H, G phase function. We show that H, G1, G2 produces better fits of available magnitude - phase curves of well-observed asteroids. We show also that the new system can be conveniently reduced to a two-parameter H, G12 magnitude phase function, which allows us to derive better estimates of the absolute magnitudes of asteroids for which poorly-sampled magnitude phase curves are available.
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https://hal.archives-ouvertes.fr/hal-00496018
Contributor : Catherine Cardon <>
Submitted on : Tuesday, June 29, 2010 - 2:49:01 PM
Last modification on : Tuesday, May 14, 2019 - 11:04:01 AM

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  • HAL Id : hal-00496018, version 1

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A. Cellino, I. Belskaya, M. Delbo, Anny Chantal Levasseur-Regourd, K. Muinonen, et al.. A new three-parameter H, G1, G2 magnitude phase function for asteroids. Electromagnetic and Light Scattering XII International conference, Jun 2010, Helsinki, Finland. pp.22-25. ⟨hal-00496018⟩

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