Аннотация:The second-order Fourier coefficients (v2) characterizing the azimuthal distribution of Υ(1S) and Υ(2S) mesons arising from PbPb collisions at sNN−−−√= 5.02 TeV are studied. The Υ mesons are reconstructed in their dimuon decay channel, as measured by the CMS detector. The data set was collected in 2018 and corresponds to an integrated luminosity of 1.7 nb−1. The scalar product method is used to extract the v2 coefficients of the azimuthal distribution. Results are reported for the rapidity range |y|< 2.4, with the transverse momentum 0 <pT< 50 GeV/c, and in three centrality ranges of 10-30, 30-50 and 50-90%. In contrast to the J/ψ mesons, no azimuthal anisotropy is observed for the Υ mesons.