On the calibration of the polarimetric slope - albedo relation for asteroids: Work in progress

Autori

  • A. Cellino INAF - Osservatorio Astronomico di Torino
  • R. Gil-Hutton Complejo Astronomico El Leoncito

DOI:

https://doi.org/10.1478/C1V89S1P022

Parole chiave:

Asteroids, Polarimetry, Geometric Albedo

Abstract

Asteroid polarimetry is known to be an excellent tool to derive information on the geometric albedo of these objects. This is made possible by the existence of a relation between the albedo and the morphology of the curve which describes the variation of the degree of linear polarization of asteroid light as a function of the illumination conditions. A major problem is that the calibration of the commonly accepted form of the polarization - albedo relation includes numerical coefficients which are affected by fairly high uncertainties. Following some recommendations issued by IAU Commission 15, we are trying to improve the albedo - polarization relation by taking profit of new polarimetric data obtained in dedicated observation campaigns. We present here some very preliminary results.

Biografie autore

  • A. Cellino, INAF - Osservatorio Astronomico di Torino
    Primo Ricercatore
  • R. Gil-Hutton, Complejo Astronomico El Leoncito
    Director

Pubblicato

2011-09-15

Fascicolo

Sezione

Conference Papers