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The Surface Structure of the M-Type Asteroid 21 Lutetia: Spectral and Frequency Analysis
A preliminary study of the surface of the asteroid 21 Lutetia with ground-based methods is of significant importance, because this object is included into the Rosetta space mission schedule. FromExpand
CHARACTERIZING 21 LUTETIA WITH ITS REFLECTANCE SPECTRA
As follows from the visible-range spectrophotometric observations of 21 Lutetia and laboratory reflectance spectra of suitable analog samples, the asteroid is probably an M-type body covered withExpand
LUTETIA AS A POSSIBLE BINARY SYSTEM AFTER PHOTOMETRIC , FREQUENCY AND SPECTRAL INVESTIGATIONS
We have analyzed spectra (0.4-0.9 μm) of 21 Lutetia, a target of the ROSETTA space mission, and discovered periodic splitting of them on three nights (4/5, 5/6 and 7/8) in November 2004. The effectExpand
Water combinations on the surface of the asteroid 4 Vesta
The spectral-frequency method (Busarev et al., 2007b) allowed us to obtain data on 16 sizes of hydrosilicate spots on the surface of the asteroid 4 Vesta. Large sizes (800 and 750 km) show clustersExpand
On the possible binarity of asteroid 21 Lutetia from analysis of simultaneous BVR observations
We obtained ∼1000 B, V, and R magnitude measurements for asteroid 21 Lutetia quasi-simultaneously with the digital TV system of a 0.5-m MTM-500 meniscus telescope from November 3 through November 11,Expand
INTERNATIONAL DATABASE PROJECT FOR SPECTRAL OBSERVATIONS ON ASTEROIDS
32 bit database application for Windows has been created using a client-server model. Object-oriented design of a multiple-document interface allows us to accumulate spectra in the database and toExpand
Spectrophotometric Observations of M, S and E Asteroids at the Sternberg Astronomical Institute and the Crimean Astrophysical Observatory
Investigation of M, S and E asteroids are important for the problem of the evolution of the Solar System. Observations have been carried out by means of a joint programme using telescopes of theExpand
The sizes of color patches on the surface of the asteroid 4 Vesta
The sizes of color patches on the surface of the asteroid 4 Vesta were estimated with the spectral-frequency method. We used the digital records of the asteroid spectra obtained on February 2, 3, 4,Expand
A COMBINED SPECTRAL-FREQUENCY METHOD OF INVESTIGATIONS OF SMALL OR DISTANT PLANETS
We propose a combined method of astronomical investigations of small or distant planets incorporating registration of a set of integral spectra of an object and their frequency analysis.Expand
9,6-Year periodicity of symbiotic nova RT Ser (1909) during the outburst decay from 1940 to 1994
The behavior of the symbiotic nova RT Ser from 1940 to 1994 from photographic observations made at the Gissar Observatory (1940–1978) and BVR-band observations at the Crimean Observatory (1983–1994)Expand
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