Five-color polarimetry of the asteroid 16 Psyche

Details Five-color polarimetry of the asteroid 16 Psyche Five-color polarimetry of the asteroid 16 Psyche

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pazh...11..286b&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 11, Apr. 1985, p. 286-291) Soviet Astronomy Letters (ISSN 0360-0327), vol. 11, Mar.-Apr

Astronomy and Astrophysics

Astronomy

2

Asteroids, Planetary Surfaces, Polarimetry, Ultraviolet Astronomy, Photoelectricity, Stokes Law

Scientific paper

Photoelectric UBVRI polarimetry of 16 Psyche was carried out with the 125 cm reflector on June 4 and 5, 1983, when the line of sight was nearly along the rotation axis, so as to ascertain whether the surface particles might have a preferential orientation. Data analysis reveals no significant periodicities in the Stokes parameters q, u with respect to rotation phase, implying that the grains are not systematically misaligned with the rotation axis. The depth P(min) of the negative branch of the polarization phase curve for M-type asteroids increases toward the long-wave end of the 0.37-0.83 micron wavelength range.

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