Quantitative grain size estimation on airless bodies from the negative polarization branch-I. Insights from experiments and lunar observations

YP Bach, M Ishiguro, J Takahashi, J Geem… - Astronomy & …, 2024 - aanda.org
This work explores characteristics of the negative polarization branch (NPB), which occurs in
scattered light from rough surfaces, with particular focus on the effects of fine particles …

[HTML][HTML] On the application of scattering matrix measurements to detection and identification of major types of airborne aerosol particles: Volcanic ash, desert dust and …

JCG Martín, D Guirado, E Frattin… - Journal of Quantitative …, 2021 - Elsevier
Atmospheric aerosols play key roles in climate and have important impacts on human
activities and health. Hence, much effort is directed towards developing methods of …

Experimental phase function and degree of linear polarization of cometary dust analogues

E Frattin, O Muñoz, F Moreno, J Nava… - Monthly Notices of …, 2019 - academic.oup.com
We present experimental phase function and degree of linear polarization curves for seven
samples of cometary dust analogues namely: ground pieces of Allende, DaG521 …

Experimental phase function and degree of linear polarization curve of olivine and spinel and the origin of the Barbarian polarization behaviour

E Frattin, J Martikainen, O Muñoz… - Monthly Notices of …, 2022 - academic.oup.com
We explore experimentally possible explanations of the polarization curves of the sunlight
reflected by the Barbarian asteroids. Their peculiar polarization curves are characterized by …

Polarimetric properties of the near-Sun asteroid (155140) 2005 UD in comparison with other asteroids and meteoritic samples

M Ishiguro, YP Bach, J Geem, H Naito… - Monthly Notices of …, 2022 - academic.oup.com
The investigation of asteroids near the Sun is important for understanding the final
evolutionary stage of primitive Solar system objects. A near-Sun asteroid (NSA),(155140) …

Polarimetry of Didymos–Dimorphos: Unexpected Long-term Effects of the DART Impact

Z Gray, S Bagnulo, M Granvik, A Cellino… - The Planetary …, 2024 - iopscience.iop.org
We have monitored the Didymos–Dimorphos binary system in imaging polarimetric mode
before and after the impact from the Double Asteroid Redirection Test mission. A previous …

Negative polarization properties of regolith simulants-Systematic experimental evaluation of composition effects

S Spadaccia, CHL Patty, HL Capelo, N Thomas… - Astronomy & …, 2022 - aanda.org
Context. Polarization phase curves of asteroids and other small airless bodies are
influenced by the compositional and physical properties of their regolith. The mixing of …

[HTML][HTML] Experimental study of frost detectability on planetary surfaces using multicolor photometry and polarimetry

S Spadaccia, CHL Patty, N Thomas, A Pommerol - Icarus, 2023 - Elsevier
When the temperature and pressure conditions allow it, water ice can deposit as frost on the
regolith of planetary surfaces. Frost is an important indicator of the surface physical …

Laser spectroscopic characterization of single extraterrestrial dust particles using optical trapping-cavity ringdown and Raman spectroscopy

H Alali, Z Gong, G Videen, YL Pan, O Muñoz… - Journal of Quantitative …, 2020 - Elsevier
Earth's atmosphere contains interplanetary dust particles (IDPs), which are a key ingredient
to understand planetary phenomena, yet the study of their physicochemical properties …

Retrieving dust grain sizes from photopolarimetry: an experimental approach

O Muñoz, E Frattin, T Jardiel… - The Astrophysical …, 2021 - iopscience.iop.org
We present the experimental phase function, degree of linear polarization (DLP), and linear
depolarization (δ L) curves of a set of forsterite samples representative of low-absorbing …