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Astro-GR@Barcelona 2018

Jun. 02, 2018

LISA EMRI Meeting 2018 Extreme (and Intermediate-) Mass Ratio Inspirals and the LISA Mission

The Laser Interferometer Space Antenna (LISA) is the future ESA-NASA Gravitational Wave Observatory. It will look for GW signals in the low-frequency band (0.1 mHz – 1 Hz), mainly from the following sources: galactic binaries, the coalescence and merger of massive black holes in galaxies at cosmological distances, the capture and inspiral of stellar compact objects into massive black holes at galactic centers and even from cosmological stochastic backgrounds.

These observations promise to open a completely new window to the exploration of the Universe, which is expected will have important consequences for our knowledge in astrophysics, cosmology, and fundamental physics. This edition of the Astro-GR meetings will focus again (like the first meeting in the series) on the third source above, (iii), which due to the mass ratio of these binaries they are commonly known as Extreme-Mass-Ratio Inspirals (EMRIs). Considering the possible existence of intermediate-mass black holes, an additional source of gravitational waves for LISA will the inspiral of stellar-mass compact objects into an IMBH or the inspiral of an IMBH into a MBH. These sources, again due to the mass ratio of the binaries, are known as an intermediate-mass ratio inspirals (IMRIs).

This event is supported by the COST (European Cooperation in Science and Technology) Action CA16104 GWverse.

More information here.