Determination of the exoplanet HD 189733 b atmospheric structure based on the multicolor photometric transit observations obtained with the HST and at the Caucasian Mountain Observatory

The paper presents a study of the exoplanet HD 189733 b based on the multicolor photometric observations obtained by the Hubble Space Telescope as well as on the equipment of the Caucasian Mountain Observatory. It is shown that with all other parameters fixed, the radius of the planet obtained from the interpretation of the light curves varies, which may be a consequence of the presence of an extended Rayleigh atmosphere.