Tugay, A. V.Dylda, S. S.Panko, Olena O.Панько, Елена АлексеевнаПанько, Олена Олексіївна2017-02-222017-02-222016Odessa Astronomical Publicationshttps://dspace.onu.edu.ua/handle/123456789/9418X-ray counterparts for 35 galaxy clusters contained in the PF catalogue of galaxy clusters and groups were found in XMM-Newton archive. 22 ones (all from ACO catalogue) have extended elliptic X-ray haloes appropriate for determination of orientation. Position angles and eccentricities were calculated and compared with cluster orientations optical band.enGalaxiesclustersX-raysArticle