Multiwavelength analysis of Fermi-LAT blazars with high-significance periodicity: detection of a long-term rising emission in PG 1553+113

BL Lacertae objects: individual: PKS 0454-234S5 0716+714OJ 014PG 1553+113PKS 2155-304Galaxies: activeGalaxies: nucleiAstrophysics - High Energy Astrophysical Phenomena