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Information × Registration Number 0217U001231, 0116U000832 , R & D reports Title Photometric and polarymetric investigations of the main belt asteroids, comets and transneptunien objects popup.stage_title Head Dmytro Lupishko, Registration Date 31-01-2017 Organization Kharkov National University named after V.N. Karazin popup.description2 During 94 nights the observations of 23 main-belt asteroids, comet C/2013 US10 (Catalina), two Kuiper-belt objects and one centaur were carried out. The lightcurves and magnitudes of these objects have been obtained; the rotation periods of 9 asteroids were determined, the mean values of parameters G1 and G2 of three-parameter HG1G2-function, which was recommended for use by Commission 15 IAU, were calculated for asteroids of six compositional types; in spectrum of comet C/2006 W3 (Christensen) the emissions of CN, C3, C2, CH, NH 2, CO+ were revealed (the emission of CO+ at such heliocentric distances were observed before only for a few comets); the productivity of gas and dust of this comet, the standardized gradient of reflectivity and cometary nucleus radius 13±2 km were calculated; the rotation period of Kuiper-belt object 136472 Мakemake (15.5411±0.00005 hrs) was determined and it was confirmed an assumption about Makemake's lightcurve with two maxima caused by its shape; the PC-programme of higher-level language Delphi for calculations of ephemeris and air masses of astronomical objects at processing of CCD-images have been created; the Asteroid Polarimetric Database have been supplemented. Obtained results are of great interest from point of view both fundamental science and applied problems "Asteroid and comet hazard" and "Asteroids - the sources of raw materials in the near-Earth space". The obtained lightcurves, rotation parameters and other data are included in the international data-bases "Asteroid Photometric Catalogue" and "Planetary Data System". Product Description popup.authors І. Бельська І. Слюсарев В. Филоненко В. Чорний В. Шевченко Д. Лупішко О. Міхальченко С. Величко Т. Громакіна Ю. Круглий popup.nrat_date 2020-04-02 Close