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It is presented a brief review on gravitational waves (GWs). It is shown howthe wave equation is obtained from Einstein's equations and how many and howare the polarization modes of these waves. It is discussed the reasons why GWssources should be of astrophysical or cosmological origin. Thus, it isdiscussed what would be the most likely sources of GWs to be detected by thedetectors of GWs currently in operation and those that should be operational inthe future, emphasizing in particular the sources involving compact objects.The compact objects such as neutron stars, black holes and binary systemsinvolving compact stars can be important sources of GWs. Last but not least, itis discussed the GWs astrophysics that is already possible to do, in particularinvolving the compact objects.

Ondas gravitacionales y objetos compactos (Gravitational waves and compact objects)