Udovichenko, S. N.2014-03-162014-03-162012Odessa Astronomical Publicationshttps://dspace.onu.edu.ua/handle/123456789/4660Odessa Astronomical publications / Одесская астроном. обсерватория . – Одесса : Астропринт, 2012 . – Vol.25/1.The investigation of the photometric system consisting from photometer with CCD detector Sony ICX429ALL, VRI filters and the AZT-3 telescope was carried out. The transformation coefficients from the instrumental values of magnitudes and color indices to the Johnson-Cousins system in the VRI passbands are presented. The instrumental system of telescope and standard system have satisfactory agreement.enPhotometrytransformations coefficientsArticle