The most successful model of comet dust presents comet particles as aggregates of submicron grains. It qualitatively explains the spectral and angular change in the comet brightness and polarization...
Detection of circular polarization in light scattered from photosynthetic microbes. (2009)
Sparks, W., Hough, J., Germer, T.A., Chen, F., DasSarma, S., DasSarma, P., ...
Original article can be found at: http://www.pnas.org/ DOI: 10.1073/pnas.0810215106
Polarimetry in planetary science - A step forward with the VLT and a need for the ELT's (2009)
Boehnhardt, H., Tozzi, G. P., Sterzik, M., Bagnulo, S., Kolokolova, L., Muinonen, K.
Discovery of two distinct polarimetric behaviours of trans-Neptunian objects (2008)
Bagnulo, S., Belskaya, I., Muinonen, K., Tozzi, G. P., Barucci, M. A., Kolokolova, L., ...
Trans-Neptunian objects (TNOs) contain the most primitive and thermally least-processed materials from the early accretional phase of the solar system. They allow us to study interrelations between...
Photometry and polarimetry of the nucleus of comet 2P/Encke (2008)
Boehnhardt, H., Tozzi, G. P., Bagnulo, S., Muinonen, K., Nathues, A., Kolokolova, L.
Broadband imaging photometry, and broadband and narrowband linear polarimetry was measured for the nucleus of 2P/Encke over the phase-angle range 4 - 28 deg. An analysis of the point spread function...
Photometry and polarimetry of the nucleus of comet 2P/Encke (2008)
Boehnhardt, H., Tozzi, G. P., Bagnulo, S., Muinonen, K., Nathues, A., Kolokolova, L.
Polarimetry of the dwarf planet (136199) Eris (2007)
Belskaya, I., Bagnulo, S., Muinonen, K., Barucci, M. A., Tozzi, G. P., Fornasier, S., ...
We investigate the surface characteristics of the large dwarf planet (136199) Eris. With the FORS1 instrument of the ESO VLT, we have obtained Bessell broadband R linear polarimetry and broadband V...
Dust observations of Comet 9P/Tempel 1 at the time of the Deep Impact (2007)
Tozzi, G. P., Boehnhardt, H., Kolokolova, L., Bonev, T., Pompei, E., Bagnulo, S., ...
On 4 July 2005 at 05:52 UT, the impactor of NASA's Deep Impact (DI) mission crashed into comet 9P/Tempel 1 with a velocity of about 10 km/s. The material ejected by the impact expanded into the...
Spectropolarimetry of the Deep Impact target comet 9P/Tempel 1 with HiVIS (2007)
Harrington, D. M., Meech, K., Kolokolova, L., Kuhn, J. R., Whitman, K.
Spectropolarimetry of the Deep Impact target, comet 9P/ Tempel 1, was performed during the impact event on July 4th, 2005 with the HiVIS Spectropolarimeter and the AEOS 3.67m telescope on Haleakala,...
Kolokolova, L., Kimura, H., Kiselev, N., Rosenbush, V.
Comets can be divided into two groups: type I, characterized by high gas/dust ratio, low polarization, and a weak or absent 10 micron silicate feature, and type II, for which a low gas/dust ratio,...
Dust observations of Comet 9P/Tempel 1 at the time of the Deep Impact (2007)
Tozzi, G, Böhnhardt, H, Kolokolova, L, Bonev, T, Pompei, E, Bagnulo, S, ...
Dust observations of Comet 9P/Tempel 1 at the time of the Deep Impact (2007)
Tozzi, G. P., Boehnhardt, H., Kolokolova, L., Bonev, T., Pompei, E., Bagnulo, S., ...
Integrated Study of the Physical Characteristics of Primitive Solar System Bodies (2006)
L. M. Lara, J. Licandro, G. P. Tozzi, L. Kolokolova, B. A. S. Gustafson
Integrated Study of the Physical Characteristics of Primitive Solar System Bodies
Spectropolarimetry of the Deep Impact target comet 9P/Tempel 1 with HiVIS (2006)
Harrington, D. M., Meech, K., Kolokolova, L., Kuhn, J. R., Whitman, K.
High resolution spectropolarimetry of the Deep Impact target, comet 9P/ Tempel 1, was performed during the impact event on July 4th, 2005 with the HiVIS Spectropolarimeter and the AEOS 3.67m...
Bagnulo, S., Boehnhardt, H., Muinonen, K., Kolokolova, L., Belskaya, I., Barucci, M. A.
Polarization is a powerful remote-sensing method to investigate solar system bodies. It is an especially sensitive diagnostic tool to reveal physical properties of the bodies whose observational...
Comet C/2001 Q4 (NEAT) at its closest approach to the Earth (2004)
Tozzi, G.P., Boehnhardt, H., Del Bo, M., Hainaut, O., Jehin, E., Jorda, L., ...
Sublimating components in the coma of comet C/2000 WM1 (LINEAR) (2004)
Tozzi, G. P., Lara, L. M., Kolokolova, L., Boehnhardt, H., Licandro, J., Schulz, R.
Comet C/2000 WM1 (LINEAR) was observed at ESO at the time of its closest approach to the Earth at the beginning of December 2001 (geocentric distance: 0.32 AU). The aim of the observations was...
Surface characterization of 28978 Ixion (2001 KX76) (2004)
Boehnhardt, H., Bagnulo, S., Muinonen, K., Barucci, M. A., Kolokolova, L., Dotto, E., ...
The Plutino 28978 Ixion, one of the largest objects in the Kuiper Belt, is measured by R filter photometry and linear polarimetry over the phase angle range as well as by BVRI colours and visible...
Sublimating components in the coma of Comet C/2000 WM1 (LINEAR) (2004)
Tozzi, G. P., Lara, L. M., Kolokolova, L., Boehnhardt, H., Licandro, J., Schulz, R.
Surface characterization of 28978 Ixion (2001 KX76) (2004)
Boehnhardt, H., Bagnulo, S., Muinonen, K., Barucci, A., Kolokolova, L., Dotto, E., ...
Integrated Study of the Physical Characteristics of Primitive Solar System Bodies (2003)
Gustafson , B. A. S., Kolokolova , L., Lara , L. M., Licandro , J., Tozzi , G. P.
Angular Momentum Generation by Scattering: Alignment and Rotation of Microobjects (2002)
Nieminen, T. A., Rubinsztein-Dunlop, H., Heckenberg, N. R., Gustafson, B., Kolokolova, L., Videen, G.
Using a focussed laser beam, it is possible to trap and manipulate microscopic particles. Scattering by the particle in the trap results in a force acting on the particle, due to the transfer of...
Probing Live Cells with Optically Driven and Monitored Micro-Rotors (2002)
Heckenberg, N. R., Nieminen, T. A., Rubinsztein-Dunlop, H., Sheetz, M. P., Gustafson, B., Kolokolova, L., ...
Optically trapped particles can be used as probes to study the mechanical properties of substances on a microscopic scale. Such experiments have been performed on colloids, single bio-molecules such...
Vector Spherical Wavefunction Expansion of a Strongly Focussed Laser Beam (2002)
Nieminen, T. A., Rubinsztein-Dunlop, H., Heckenberg, N. R., Gustafson, B., Kolokolova, L., Videen, G.
Vector spherical wavefunction expansions of an incident radiation field are essential for theoretical light scattering methods such as the T-matrix method and generalized Lorenz-Mie theory (GLMT). In...