On the calibration of the relation between geometric albedo and polarimetric properties for the asteroids | Zendy

A. Cellino | Zendy; S. Bagnulo | Zendy; R. Gil-Hutton | Zendy; P. Tanga | Zendy; M. Cañada-Assandri | Zendy; E. F. Tedesco | Zendy

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On the calibration of the relation between geometric albedo and polarimetric properties for the asteroids

Author(s) -

A. Cellino,

S. Bagnulo,

R. Gil-Hutton,

P. Tanga,

M. Cañada-Assandri,

E. F. Tedesco

Publication year - 2015

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/stv1188

Subject(s) - asteroid , polarimetry , albedo (alchemy) , physics , calibration , geometric albedo , remote sensing , relation (database) , polarization (electrochemistry) , set (abstract data type) , astrophysics , astronomy , scattering , optics , photometry (optics) , computer science , stars , data mining , geology , art , quantum mechanics , performance art , art history , chemistry , programming language

We present a new extensive analysis of the old problem of finding a satisfactory calibration of the relation between the geometric albedo and some measurable polarization properties of the asteroids. To achieve our goals, we use all polarimetric data at our disposal. For the purposes of calibration, we use a limited sample of objects for which we can be confident to know the albedo with good accuracy, according to previous investigations of other authors. We find a new set of updated calibration coefficients for the classical slope–albedo relation, but we generalize our analysis and we consider also alternative possibilities, including the use of other polarimetric parameters, one being proposed here for the first time, and the possibility to exclude from best-fitting analyses the asteroids having low albedos. We also consider a possible parabolic fit of the whole set of data.Fil: Cellino, A.. Osservatorio Astrofisico di Torino; ItaliaFil: Bagnulo, S.. Armagh Observatory; Reino UnidoFil: Gil Hutton, Ricardo Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Complejo Astronómico "El Leoncito"; Argentina. Universidad Nacional de San Juan; ArgentinaFil: Tanga, P.. Observatoire de la Cote d’Azur; FranciaFil: Cañada Assandri, Marcela Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Complejo Astronómico "El Leoncito"; Argentina. Universidad Nacional de San Juan; ArgentinaFil: Tedesco, E.. Universidad Nacional de San Juan. Facultad de Ciencias Exactas, Físicas y Naturales. Departamento de Geofísica y Astronomía; Argentin

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