Abstract
In 2007–2010, ten asteroids were observed in the JHK bands. The color indexes J-H and H-K were determined from the observations. Their positions in the two-color diagram generally correspond to the areas occupied by the asteroids of the corresponding taxonomic types. For two asteroids, (624) Hektor and (762) Pulcova, the light curves in the J and H bands and the curves of the color index J-H were constructed. The changes in the color index J-H from 0.05m to 0.1m were revealed; it may be supposed that they are caused by the heterogeneity in structure or mineral composition of the surface. For all of the asteroids, the astrometric positions were obtained. It was found that the best reference catalogue for the astrometric processing of observations of asteroids in the JHK bands under a small field of view is the 2MASS survey.
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Original Russian Text © D.L. Gorshanov, A.A. Arkharov, V.M. Larionov, 2014, published in Astronomicheskii Vestnik, 2014, Vol. 48, No. 3, pp. 219–228.
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Gorshanov, D.L., Arkharov, A.A. & Larionov, V.M. Observations of asteroids in the infrared range (JHK) at the AZT-24 telescope. Sol Syst Res 48, 202–211 (2014). https://doi.org/10.1134/S0038094614020014
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DOI: https://doi.org/10.1134/S0038094614020014