LAUSR

Previous studies have shown that our velocity in the rest frame of galaxies at high redshift does not converge to that deduced from the CMB temperature-dipole anisotropy. In this work we determine the dipole in the galaxy catalogue derived from the Wide-field Infrared Survey Explorer (WISE) survey. After reducing star contamination to ~0.1% by rejecting sources with high apparent motion as well as those close to the Galactic plane, we eliminate low redshift sources in order to suppress the non-kinematic, clustering dipole. We remove sources near the super-galactic plane, and those which are within 1'' of 2Mass Redshift Survey (2MRS) sources at z 1000 km/s, if it is solely of kinematic origin. However, previous studies have shown that only ~70% of the velocity of the Local Group as inferred from the CMB dipole is due to sources at z 240 km/s extending beyond z=0.03) that we do. We construct mock catalogues from the Dark Sky simulations in the neighbourhood of such peculiar observers in order to mimic our final galaxy selection, and quantify the residual clustering dipole. After subtracting this the remaining dipole is 0.0048+/-0.0022, corresponding to a velocity of 430+/-197 km/s which is consistent with the CMB. However the cause of such a large clustering dipole, the sources of which are at z>0.03, remains to be established.