Observations of Asteroid Phase Dependences of Brightness and Polarization at Low Phase Angles

Photometric and polarimetric observations of asteroids at extremely small phase angles ( < 1 deg.) are carried out. The new approach is the measuring both magnitude and polarization phase dependences for the same asteroid. The main goal is to understand mechanisms responsible for backscattering phenomena of the atmosphereless bodies.

Publications:

  1. Shevchenko V.G., Chiorny V.G, Kalashnikov A.V., Krugly Yu.N., Mohamed R.A., Velichko F.P. (1996). Magnitude-phase dependences for three asteroids. Astron. Astrophys. Suppl. Ser. V. 115, No. 3, p.475-479.
  2. Kiselev N.N., Shakhovskoy N.M., Efimov Yu.S. (1996) On the polarization opposition effect of E-type asteroid 64 Angelina. Icarus . V. 120, p. 408-411.
  3. Shevchenko V.G.,. Belskaya I.N., Chiorny V.G., Piironen J., Erikson A, Neukum G., Mohamed R. (1997). Asteroid observations at low phase angles.I. 50 Virginia, 91 Aegina and 102 Miriam. Planetary Space Science. V. 45, No. 12, c.1615-1623.
  4. Belskaya I.N., Shevchenko V.G. Albedo dependence of asteroid opposition effect. LPSC XXX, abstr. No. 1155.

 

Shevchenko V.G.

Belskaya I.N.

Kiselev N.N.