Mapping of physical characteristics of the Moon's superficial layer and ultra-violet polarimetry from a lunar orbital station

1Vidmachenko, AP, 1Morozhenko, OV
1Main Astronomical Observatory of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
Kosm. nauka tehnol. 2004, 10 ;(5-6):021-026
Publication Language: Russian
Ground and space researches of the Moon allowed one to carry out large-scale mapping of its superficial layer. Morphological details of the Moon have various spectral reflective properties. Their characteristic features are decrease of its reflectivity from visual spectral region to ultra-violet one and absorption bands in near infra-red spectral region. This points to mineralogy of the Moon's surface. Morphological features with different optical and physical properties have different polarization. In the long-wave spectral region, the degree of polarization is practically identical for many details on the Moon's surface, but its values differ strongly in ultra-violet region. The phase curve in ultra-violet region allows one to determine the value of phase angle αmax  at which the maximal value of degree of polarization , Pmax  takes place, with error less than 1°. These optical parameters of the Moon's surface enable us to determine refraction indexes of its mineral particles, i. е., to make mapping of the Moon's minerals.
1. Kvaratskhelia O. I. Dependence of the degree of polarization of the moon reflected light on the phase angle. Soobshhenija AN GruzSSR, 112 (2), 293—296 (1983) [in Russian].
2. Morozhenko A. V. On mineralogical mapping of the lunar surface. Izvestiya vuzov. Geodezia i aerofotosjomka, No. 1, 86—92 (1983) [in Russian].
3. Dollfus A., Bowell E. Polarimetric properties of the lunar surface and its interpretation. Part 1. Observations. In: Physique du systeme solaire, 64 p. (Observatoire de Paris, Meudon, 1969).
4. Korokhin V. V., Velikodsky Yu. I. Parameters of the maximum positive polarisation of the Moon. In: 35th Lunar and Planetary Sci. Conf., March 15-19, 2004, League City, Texas, Abstract n. 1306 (2P.) (League City, 2004).
5. Peterson C. A., Hawke B. R., Lucey P. G., et al. The Distribution of Anorthosite on the Lunar Farside. In: Workshop on New Views of the Moon 2: Understanding the Moon Through the Integration of Diverse Datasets, 46 (1999).
6. Pieters C. M. Mineralogy of the Moon: How did we start? What did we find? Where are we going? In: American Geophysical Union, Fall Meeting 2002, Abstract #P51C-03 (2002).
7. Pinori S., Bellucci G. Regional Dark Mantle Deposits on the Moon: Rima Bode and Sinus Aestuum Analysis. In: Workshop on New Views of the Moon 2: Understanding the Moon Through the Integration of Diverse Datasets, 49 (1999).

8. Sasaki S., Iijima Y., Tanaka K., et al. Scientific Research in the Lunar Orbiting Mission // IAF abstracts. 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 Oct., 2002 in Houston, TX, USA, Q-4-3-04 (2002).