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Photometry of small asteroids of different families and dynamical groups with a short rotation period

Chiorny, Vasilij G. et al., 2023, Planetary and Space Science, 237, 105779 | View on ADS (2023P&SS..23705779C)

Abstract

We present photometric observations of 25 small asteroids from different families (Eos, Erigone, Flora, Maria, Massalia, Phocaea and Zita) and dynamical groups. We derive their synodic periods and lightcurve amplitudes, as well as V-R color indices, and absolute magnitudes. Furthermore, we revise their albedos using the determined absolute magnitudes. Three of the objects are studied for the first time. We also make estimates of the diameters of four asteroids. Many of the observed asteroids have short rotation periods and small amplitudes of the lightcurves, which may be indicative of their potential binary nature. Our photometry in combination with future data can be used in further studies. Analysis of the parameters obtained for the observed asteroids, such as absolute magnitudes, revised albedos, as well as color indices obtained from the SDSS and Sky-Mapper surveys, makes it possible to effectively classify them taxonomically.

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