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Revista mexicana de astronomía y astrofísica
Print version ISSN 0185-1101
Abstract
PENA, J. H.; RENTERIA, A.; VILLARREAL, C. and PINA, D. S.. On the nature of the hads star V2455 CYG. Rev. mex. astron. astrofis [online]. 2019, vol.55, n.2, pp.193-202. Epub Nov 25, 2020. ISSN 0185-1101. https://doi.org/10.22201/ia.01851101p.2019.55.02.07.
Using uvby − β photoelectric photometry obtained with the 0.84 m telescope of the Observatorio Astrónomico Nacional de San Pedro Mártir, México, we deter-mined some of the physical characteristics, such as effective temperature and surface gravity of the high amplitude Delta Scuti star V2455 Cyg (=HD 204615). Newly determined times of maximum light gathered at the Observatorio Astrónomico Nacional de Tonantzintla, México with small 10 inch telescopes equipped with CCD cameras were combined with times of maxima in the literature, and used to study the secular variation of the pulsational period of the star.