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Optical spectropolarimetry of large C-complex asteroids: polarimetric evidence for heterogeneous surface compositions
Yuna G. Kwon, Stefano Bagnulo, Alberto Cellino
This study presents the first optical spectropolarimetric study of large C-complex asteroids. A total of 64 C-complex asteroids of different subclasses are analyzed using archival…
Experimental phase function and degree of linear polarization curve of olivine and spinel and the origin of the Barbarian polarization behavior
E. Frattin, J. Martikainen, O. Muñoz +7
We explore experimentally possible explanations of the polarization curves of the sunlight reflected by the Barbarian asteroids. Their peculiar polarization curves are characterize…
The Increasingly Strange Polarimetric Behavior of the Barbarian Asteroids
Joseph R. Masiero, Maxime Devogele, Isabella Macias +2
Polarization phase-curve measurements provide a unique constraint on the surface properties of asteroids that are complementary to those from photometry and spectroscopy, and have…
Optical spectropolarimetry of binary asteroid Didymos-Dimorphos before and after the DART impact
S. Bagnulo, Z. Gray, M. Granvik +7
We have monitored the Didymos-Dimorphos binary asteroid in spectropolarimetric mode in the optical range before and after the DART impact. The ultimate goal was to obtain constrain…
Gaia Data Release 3: Reflectance spectra of Solar System small bodies
Gaia Collaboration, L. Galluccio, M. Delbo +444
The Gaia mission of the European Space Agency (ESA) has been routinely observing Solar System objects (SSOs) since the beginning of its operations in August 2014. The Gaia data rel…
Data Release 3: the Solar System survey
P. Tanga, T. Pauwels, F. Mignard +30
The third data release by the Gaia mission of the European Space (DR3) is the first release to provide the community with a large sample of observations for more than 150 thousand…