TY - GEN AU - Pierre Auger Collaboration AU - Bueno Villar, Antonio AU - García Gámez, Diego AU - Gascón Bravo, Alberto AU - Lozano Bahílo, Julio AU - Navarro, J. L. AU - Navas Concha, Sergio AU - Zamorano García, Bruno PY - 2011 SN - 0927-6505 UR - http://hdl.handle.net/10481/29088 AB - We present the results of searches for dipolar-type anisotropies in different energy ranges above 2.5 × 1017 eV with the surface detector array of the Pierre Auger Observatory, reporting on both the phase and the amplitude measurements of the first... LA - eng PB - Elsevier KW - Ultra-high energy cosmic rays KW - Large scale anisotripies KW - Pierre Auger Observatory TI - Search for first harmonic modulation in the right ascension distribution of cosmic rays detected at the Pierre Auger Observatory ER -