The European Pulsar Timing Array (EPTA) is a Pulsar Timing Array in Europe, consortium of Radio Telescopes timing Pulsars. It is an effort to detect Gravitational Waves through comparison of the timing of observed pulsar cycles. It is part of the International Pulsar Timing Array. The telescopes are:
EPTA+ refers to a subset of 42 of the pulsars, whose timing data has been used in some specific studies.