Tables of phase functions, opacities, albedos, equilibrium temperatures, and radiative accelerations of dust grains in exoplanets
Article
Budaj, J., Kocifaj, M., Salmeron, R. and Hubeny, I.. 2015. "Tables of phase functions, opacities, albedos, equilibrium temperatures, and radiative accelerations of dust grains in exoplanets." Monthly Notices of the Royal Astronomical Society. 454 (1), pp. 2-27. https://doi.org/10.1093/mnras/stv1711
| Article Title | Tables of phase functions, opacities, albedos, equilibrium temperatures, and radiative accelerations of dust grains in exoplanets |
|---|---|
| ERA Journal ID | 1074 |
| Article Category | Article |
| Authors | Budaj, J. (Author), Kocifaj, M. (Author), Salmeron, R. (Author) and Hubeny, I. (Author) |
| Journal Title | Monthly Notices of the Royal Astronomical Society |
| Journal Citation | 454 (1), pp. 2-27 |
| Number of Pages | 26 |
| Year | 2015 |
| Publisher | Oxford University Press |
| Place of Publication | United Kingdom |
| ISSN | 0035-8711 |
| 1365-2966 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1093/mnras/stv1711 |
| Web Address (URL) | https://academic.oup.com/mnras/article/454/1/2/1116945 |
| Abstract | There has been growing observational evidence for the presence of condensates in the atmospheres and/or comet-like tails of extrasolar planets. As a result, systematic and homogeneous tables of dust properties are useful in order to facilitate further observational and theoretical studies. In this paper we present calculations and analysis of non-isotropic phase functions, asymmetry parameter (mean cosine of the scattering angle), absorption and scattering opacities, single scattering albedos, equilibrium temperatures, and radiative accelerations of dust grains relevant for extrasolar planets. Our assumptions include spherical grain shape, Deirmendjian particle size distribution, and Mie theory. We consider several species: corundum/alumina, perovskite, olivines with 0 and 50 per cent iron content, pyroxenes with 0, 20, and 60 per cent iron content, pure iron, carbon at two different temperatures, water ice, liquid water, and ammonia. The presented tables cover the wavelength range of 0.2–500 μm and modal particle radii from 0.01 to 100 μm. Equilibrium temperatures and radiative accelerations assume irradiation by a non-blackbody source of light with temperatures from 7000 to 700 K seen at solid angles from 2π to 10−6 sr. The tables are provided to the community together with a simple code which allows for an optional, finite, angular dimension of the source of light (star) in the phase function. |
| Keywords | opacity, scattering, astronomical data bases: miscellaneous, planets and satellites: atmospheres, circumstellar matter |
| ANZSRC Field of Research 2020 | 510107. Planetary science (excl. solar system and planetary geology) |
| 510109. Stellar astronomy and planetary systems | |
| Public Notes | This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2015 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved. |
| Byline Affiliations | Australian National University |
| Comenius University Bratislava, Slovakia | |
| University of Arizona, United States | |
| Institution of Origin | University of Southern Queensland |
| Funding source | Australian Research Council (ARC) Grant ID 120101792 |
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